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    Groenekennis - Informatie voor professionals in voedsel en groen

    Groenekennis bevat artikelen uit vaktijdschriften, rapporten, video’s, presentaties, posters en websites op het gebied van landbouw, visserij, groene ruimte en voeding. Groenekennis wordt dagelijks bijgewerkt en bevat ongeveer 500.000 bronnen.

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Gracilpaurus crenata (Corbett, 1966) Ganguly & Khan, 1990 from Lesotho and South Africa (Nemata: Paratylenchinae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Buckley, N.H. \ 1993
Gracilpaurus crenata (Corbett, 1966) Ganguly & Khan, 1990 is described and figured from the Maluti Mountains in Lesotho and from dune vegetation on the Natal north coast. Scanning electron microscope photographs illustrate the cuticle of the swollen ...
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Description of the male of Scutellonema Sher, 1963 from Mozambique (Nemata: Hoplolaimidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Van Den Oever, H.A.M. \ 1993
The original description of Scutellonema truncatum Sher, 1963 male specimens was unknown. During a nematode survey on various crops in Mozambique a few specimens were found. The male specimens are described and illustrated for the first time, while t ...
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On some Helicotylenchus Steiner, 1945 from South Africa (Hoplolaimidae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Marais, M. \ 1993
A total of 190 populations of the genus Helicotylenchus Steiner, 1945, originating from various localities throughout South Africa were studied. Three species, namely H. crenacauda Sher, 1966, H. indicus Siddiqi, 1963 and H. labiodiscinus Sher, 1966 ...
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New species of Tylenchorhynchus Cobb, 1913, Paratrophurus arias, 1970 and Histotylenchus Siddiqi, 1971 from South Africa and Namibia (Nemata: Belonolaimidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1992
Five new stunt nematodes are described from South Africa and Namibia. Tylenchorhynchus dewaelei spec. nov. has strongly back-sloped stylet knobs, completely areolated lateral fields, a large metacorpus lumen, intestine-overlapping oesophageal glands, ...
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Cyst-forming nematodes in South Africa: Afenestrata africana (Luc, Germani & Netscher, 1973) Baldwin & Bell, 1985 (Nemata: Heteroderidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1992
Afenestrata africana (Luc et al., 1973) Baldwin & Bell, 1985 is reported from indigenous ferns and grasses in virgin veld on the south-eastern Transvaal Highveld. Previously unrecorded features of the cyst and second-stage juvenile are described.
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New Criconematinae (Nemata) from the Carolina area of the Eastern Transvaal, South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1992
Three new Criconema and one new Criconemella species are described and figured from South Africa. Criconema carolinae sp. nov. females collected from around grasses are characterized by having 50 to 77 rounded to retrorse body annuli each bearing a f ...
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Redescriptions and new records of six known Criconema species from Natal, South Africa (Criconematinae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1992
Additional figures, measurements and descriptions are given for these species: C. crassianulatum, C. lamellatum, C. natalense, C. silvum, C. sulcitum and C. talanum. C. crassianulatum and C. lamellatum are new records for South Africa.
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External morphology of eight South African Helicotylenchus species (Hoplolaimidae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Marais, M. \ Buckley, N.H. \ 1992
Scanning electron micrographs of Helicotylenchus species collected from several localities are presented. Different characteristics of the lip and tail region of H. africanus, H. areolatus, H. cavenessi, H. dihystera, H. erythrinae, H. microcephalus, ...
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New and known Criconemella and Ogma species from northern Natal coastal sandy soils (Criconematinae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1991
Ogma louisi sp. nov. collected from indigenous vegetation is described and figured from grasslands in Transvaal and Natal, South Africa. Females of this species are characterized by 37 to 43 retrorse annules with a fringe of projections arranged in 2 ...
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Four new nematodes species from the Cederberg, Cape Province, South Africa (Criconematidae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Meyer, A.J. \ 1991
Four new species of Criconematidae collected from Protea repens are described and illustrated from South Africa. Caloosia peculiaris sp. nov. females are characterized by having retrorse, roughly crenate annules on a part of the body; females small ( ...
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The cytogenetics of some South African root-knot nematodes (Heteroderidae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Marais, M. \ Kruger, J.C.deW. \ 1991
The cytogenetics of six South African Meloidogyne species were studied. Some interspecific differences were noted during oogenesis as well as interspecific and intraspecific differences in chromosome numbers of the various populations.
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Two new and one known species of the Tylenchoidea (Nemata) from southern Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1990
Rotylenchulus brevitubulus sp. nov. is described and figured from under an unidentified shrub in South West Africa/Namibia. It is distinguished from all other species in the genus by the short distance (6.3-7.7 mu m) between the opening of the dorsal ...
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An unusual host association: Aprostocetus sp. (Eulophidae), a hymenopterous predator of the nematode Subanguina mobilis (Chit & Fisher, 1975) Brzeski, 1981 (Anguinidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Prinsloo, G.L. \ Neser, S. \ 1990
An unidentified eulophid wasp of the genus Aprostocetus is recorded, for the first time, from South Africa and Zimbabwe as an ectophagous larval predator of the nematode Subanguina mobilis (Anguinidae), found in galls on the asteraceous plants Arctot ...
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Plant-parasitic nematodes in lucerne fields in South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Marais, M. \ 1990
From April 1986 to October 1989, 189 soil, root and leaf samples were collected from the major lucerne producing areas in the Cape Province, Orange Free State and the Transvaal. Representatives of the plant parasitic nematode genera Paratrichodorus, ...
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The genus Xiphinema in South Africa. XXI. Description of X. pongolense sp.n. and a parthenogenetic population of X. clavatum Heyns, 1965 (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Hutsebaut, M. \ 1989
A parthenogenetic population of Xiphinema clavatum is described from Leisure Bay, Natal, the morphometrics of which differ slightly from that of the type population. Uterine spines and a pseudo-Z-organ were observed in the new population and re-exami ...
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More species of pin nematodes from southern Africa (Paratylenchinae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1989
Gracilacus acicula, G. steineri and Paratylenchus hamatus are described and figured from southern Africa. Additional measurements and figures are given for P. projectus.
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A new and a known nematode from the little Karoo, South Africa (Tylenchoidea: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1989
Rotylenchus kenti sp. nov. is described and figured from a virgin grassland from South Africa. This new species is characterized by a long (16.5-30.5 micro m), pointed, ventrally curved female tail with the phasmid situated posterior to anus; long (1 ...
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Further observations on nematodes associated with rice in South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Waele, D. de \ 1989
Ten plant-parasitic nematode species were found in soil from upland and paddy rice fields in North Natal, South Africa: Hemicriconemoides cocophillus, Helicotylenchus dihystera, Pratylenchus brachyurus, Longidorus pisi, Paratrichodorus lobatus, Helic ...
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Meloinema silvicola sp. nov. (Nemata: Heteroderidae) from an indigenous forest in the southern Cape \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1988
Meloinema silvicola sp. nov. from Apodytes dimidiata in the southern Cape is characterized as follows: in the mature female the stylet cone slightly curved dorsally, stylet knobs rounded, back-sloped, lateral fields areolated, terminate anteriorly op ...
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Meloidogyne vandervegtei sp. nov. from a subtropical coastal forest in Natal (Nemata: Heteroderidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1988
Meloidogyne vandervegtei sp. nov. is described from an unidentified woody plant in an indigenous subtropical forest on the Natal south coast. The female stylet is slender, with slightly back-sloped knobs; oesophageal lumen lining usually narrows towa ...
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Further studies on the genus Elaphonema in South Africa with descriptions of two new species (Nematoda: Rhabditida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1988
Two new species of the genus Elaphonema Heyns, 1962 are described and figured from South Africa. Specimens of E. juanheynsi sp. n. are the smallest so far described and are characterized by a lip region with a dorsal process which is short and curved ...
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A new Hemicycliophora species from coastal sand dunes in the western Cape (Hemicycliophoridae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1988
Hemicycliophora lamberti sp. nov. is described and illustrated from species of Mesembryanthemum on dunes at Lamberts' Bay, South Africa. The large females (L = 1247 micro m) are characterized by having a hemispherical tail terminus, a long, slender s ...
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Tylenchorhynchus ibericus sp.n. (Nematoda: Tylenchorhynchinae) from Spain \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Mahajan, R. \ Nombela, G. \ 1987
Tylenchorhynchus ibericus n.sp. collected from soil around the roots of Quercus ilex in Madrid, Spain, is characterised in the female by a set off lip region with 6 annules, the presence of compressed labial disc, 21-26 micro m long stylet, absence o ...
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Hemicycliophora species from the Cape Province with a key to the South African species (Hemicycliophoridae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1987
Hemicycliophora litorea sp. nov. is described and figured from soil collected from beneath wild calendulas and grass from South Africa. The females of this large species are characterized by a long stylet (126.5 micro m), a faint lateral field consis ...
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More Hemicycliophora species from South Africa (Hemicycliophoridae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1987
Hemicycliophora nullinca sp. nov. is described and figured from soil collected from the rhizosphere of grass from South Africa. The female is characterized by being small (568 micro m long) with relatively few body annules (158-175), having a short s ...
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New Hemicycliophora species from the western Cape Province (Hemicycliophoridae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1987
Hemicycliophora peca n.sp. is described and illustrated from virgin veld in Cape Province, South Africa. It is a large species (1110 micro m) in which the female is characterized by having a lateral field with irregularities or breaks in the striae o ...
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Observations on some South African Hoplolaimus species (Hoplolaimidae: Nematoda) using the scanning electron microscope \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Buckley, N.H. \ 1987
SEM photographs of Hoplolaimus specimens (H. capensis and H. pararobustus) collected from several localities in South Africa and Namibia are presented. Differences and similarities between species and the problems of accurate identification are discu ...
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New nematodes from the mountains of the western Cape (Criconematina: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Meyer, A.J. \ 1987
Criconema sirgeli sp. nov. and Hemicycliophora wesca sp. nov. are described and figured from mountain soils of the western Cape, South Africa. C. sirgeli is characterized by the presence of a long (33.9 micro m), pointed, attenuated tail and cuticula ...
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The genus Xiphinema in South Africa. XV. A redescription of X. mluci Heyns, 1976 and descriptions of three closely related new species (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Stocker, G. \ Kruger, J.C.deW. \ 1987
A detailed morphological study of the type material of X. mluci and specimens subsequently collected from various localities, led to the redescription of X. mluci sensu stricto and descriptions of 3 closely related new species. X. mluci s.s. is quite ...
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The genus Xiphinema in southern Africa. XII. Description of Xiphinema loteni n.sp. from Natal (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1986
X. loteni n.sp. found in soil samples under grasses and Crassula sp. in virgin veld in the Loteni Nature Reserve, Natal, and under grasses and other vegetation in the Umkomaas valley, South Africa, is described and figured. It is characterized by the ...
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Cuticularised spirals in the anterior body wall of Longidoroides hooperi (Heyns, 1966) (Nematoda: Longidoridae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Jacobs, P.J.F. \ Heyns, J. \ Loots, G.C. \ Tiedt, L. \ 1986
TEM studies show that the cuticularised spirals in the anterior body wall of L. hooperi are located between the 3rd fibrous layer and the basal layer of the cuticle. It is thought that these spirals provide elasticity to the body wall and play a role ...
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Meloidogyne partityla sp.nov. from pecan nut [Carya illinoensis (Wangenh.) C. Koch] in the Transvaal lowveld (Nematoda: Meloidogynidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1986
Meloidogyne partityla sp. nov. from declining pecan orchards in the Transvaal Lowveld is recognized by a combination of characters: in the female, stylet knobs inclined towards rear, each with a deep median longitudinal groove: junction between style ...
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Useful new characters for the identification of four Meloidogyne species \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1986
Additional characters for separating four common species of root-knot nematodes under the light microscope are presented: the lining of the oesophageal lumen, the metacorpus lumen, the anal opening and the rectal punctations.
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The genus Xiphinema in south Africa. XIII. description of X. coomansi n.sp. and X. magaliesmontanum n.sp. from Transvaal (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kruger, J.C.D. \ Heyns, J. \ 1986
X. coomansi n.sp., collected from soil around the roots of grasses in Hoedspruit, eastern Transvaal Lowveld, South Africa, is most closely related to X. louisi. It can be distinguished from it by the shorter basal bulb (78-94 micro m), the shape of t ...
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A study of Xiphinema brevicolle sensu Heyns, 1974 (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kruger, J.C.deW. \ Heyns, J. \ 1986
A thorough morphometrical and morphological study of all the available material of X. brevicolle from South Africa led to the conclusion that this species conforms more closely with X. diffusum than with X. brevicolle. However it is thought that the ...
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Occurrence of Xiphinema in South African plant improvement vineyards \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Barbercheck, M. \ Heyns, J. \ 1986
Xiphinema spp. were found in 102 of 156 vineyards in south Africa surveyed between 1982 and 1984. X. meridianum was the most common of the 13 spp. found. X. index, a vector of grapevine fanleaf virus, was found in one sample from the Worcester distri ...
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One new and some known Rotylenchus species with a key to the South African species of the genus (Rotylenchinae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1986
R. mirus n.sp., from virgin veld in South Africa, is described and figured. It is characterized by having a cuticle bearing irregular longitudinal striations and a lateral field with incomplete areolations over the entire length of the body. The male ...
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Two new Rotylenchus species from the Cape Province with notes on some known Rotylenchus species (Rotylenchinae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1986
R. alius n.sp. and R. karooensis n.sp., both from South Africa, are described and figured. R. alius, from around roots of Pteridium aquilinum, is characterized by an incompletely areolated lateral field over the whole length of the body, a ventrally ...
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Zygotylenchus taomasinae (De Guiran, 1964) Braun & Loof, 1966 from South Africa with a note on Pratylenchus crenatus Loof, 1960 (Tylenchoidae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1986
Zygotylenchus taomasinae (de Guiran, 1964) Braun & Loof, 1966 is described and figured from South Africa. This is the first record of this genus in South Africa. Additional measurements, notes and figures are also given for Pratylenchus crenatus Loof ...
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Anguina guizotiae sp. n. from Ethiopia with a redescription of A. australis Steiner, 1940 (Nematoda: Anguinidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1986
Anguina guizotiae sp. n. is described and figured from Ethiopia. This species is separated from the other species in the genus by i.a. differences in the body lengths and a and c values of both sexes, V value, spicule and tail lengths. Anguina austra ...
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Two new Elaphonema species from the Cape Province (Nematoda: Rhabditida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Meyer, A.J. \ Heyns, J. \ 1986
E. karooense n.sp. and E. proteae n.sp. from grasses in South Africa are described and illustrated. E. karooense is characterized by a greater body length (717-730 micro m), a vulval area which stretches over 20-23 annules and spicules which appear t ...
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Skibbenema constrictum n.gen., n.sp. (Nematoda: Qudsianematidae) from the Transvaal, with a note on the female reproductive system \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Reenen, E. van \ Heyns, J. \ 1986
Skibbenema n.g. is described from the Transvaal, South Africa. It is separated from the genera of the Qudsianematidae by the presence of a constriction between the anterior slender oesophagus and the basal bulb. The oesophagus is very long (b=3.6-4) ...
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A survey of Longidoridae in vineyards along the Berg river system \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Reenen, E. van \ Heyns, J. \ 1986
A survey of Longidoridae was made on 61 soil samples collected from vineyards along the Berg River system, South Africa. 15 Xiphinema, 2 Longidorus and one Longidoroides species were found. The most common and widely distributed Xiphinema species fou ...
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Medalinema mopanicum n.sp. from Botswana (Nematoda: Thornenematidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Reenen, E. van \ Heyns, J. \ 1986
M. mopanicum n.sp., from the rhizosphere of Colaphospermum mopane, from Botswana is described and figured. It differs from the closely related M. coomansi in having strong labial and cephalic sclerotization, a longer tail (199 micro m), smaller c rat ...
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Three new species of the genus Thonus Thorne, 1974 and a redescription of Tylencholaimus dorae Kruger, 1965 (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Reenen, E. van \ Heyns, J. \ 1986
Thonus annae n.sp., T. surikae n.sp. and T. christiani n.sp. are described and illustrated from South Africa. They are distinguished from other Thonus species by the exceptionally long basal oesophageal bulb which occupies 56-69% of the total neck le ...
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On the identity of Dorylaimellus montenegricus Andrassy, 1959, D. Monticolus Clark, 1963 and D. directus Heyns, 1963 (Nematoda: Belondiroidea) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Jordaan, R. \ 1985
A brief outline is given of the taxonomic history of the 3 closely related species D. montenegricus, D. monticolus and D. directus. Measurements are given for new populations of D. directus from South Africa. Type specimens of D. directus and D. mont ...
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Southern African species of the subfamily Dorylaimellinae (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Jordaan, R. \ Heyns, R. \ 1985
Fourteen species of Dorylaimellinae are reported from southern Africa. Dorylaimellus aferoides n.sp. closely resembles Jamilius afer but differs from it in the absence of a labial disc and in the more posteriorly situated vulva. D. meridionalis n.sp. ...
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The genus Xiphinema in South Africa. IX. Description of Xiphinema xenovariabile n.sp. from Transvaal (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kruger, J.C.deW. \ Heyns, J. \ 1985
X. xenovariabile n.sp. from soil around roots of grass and maize from Transvaal, South Africa is described and figured. It is most closely related to X. variabile from which it can be distinguished by body posture and diameter, vulva position, odonto ...
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A study of Xiphinema americanum sensu Heyns, 1974 (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Loots, G.C. \ Heyns, J. \ 1985
A brief historial review of the taxonomic position of X. americanum Cobb, is given together with an indication of the existing confusion concerning the delimitation of the species concept and the position of the specimens collected from South Africa ...
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Notes on the genus Afrina Brzeski, 1981 (Anguinidae: Nematoda) with descriptions of new and known species \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1985
Afrina wevelli n.sp. recovered from galls on the seed of Eragrostis curvula is described and figured from South Africa. It is separated from the other 3 species in the genus by a combination of characters: many longitudinal lines in the lateral field ...
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Some tylenchid nematodes from Aldabra atoll with a description of a new species \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Spaull, V.W. \ 1985
Criconemella brevicauda n.sp. is described and figured from Aldabra. This species is characterized by the combination of a short tail, a short stylet, relatively few body annules, a straight vagina and the presence of numerous males. Helicotylenchus ...
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Elaphonema messinae sp.n. from the northern Transvaal (Nematoda: Rhabditida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Swart, A. \ Heyns, J. \ 1985
E. messinae n.sp. from a dry river bed in Transvaal, South Africa is described and figured. It differs from the only other described species in the genus, E. mirabile, by having a differently structured spermatheca and vulval area as well as a shorte ...
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The genus Xiphinema in South Africa. X. Species of the X. meridianum group (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Coomans, A. \ Heyns, J. \ 1985
X. barbercheckae n.sp., X. capense, n.sp. and X. bolandium n.sp. from vineyards in South Africa are described and illustrated. X. barbercheckae is distinguished from other members of the X. meridianum group by the presence of spines in the uterus. X. ...
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Further studies on southern African Trichodoridae (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Vermeulen, W.J.J. \ Heyns, J. \ 1985
Trichodorus sanniae n.sp. and T. rinae n.sp. are described and figured from soil in South Africa. T. sanniae differs from the closely related T. californicus and T. dilatatus in being shorter (L = 600 to 767 micro m) with a shorter onchiostyle, short ...
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The genus Xiphinema in South Africa. VIII. Xiphinema diversicaudatum (Micoletzky, 1927) Thorne, 1939 \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Coomans, A. \ 1984
X. diversicaudatum is reported and figured from South Africa for the first time, having been found in peach and pear orchards in 2 localities in the South-western Cape Province. Biometrical data of the South African specimens are tabulated and compar ...
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On the occurrence of unknown objects in the prerectum of Longidorus pisi Edwards, Misra & Singh, 1964 (Nematoda: Longidoridae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Jacobs, P.J.F. \ Loots, G.C. \ Tiedt, L. \ 1984
The prerectum of L. pisi contains a varying number of objects of unknown nature. These objects are consistently present in females, males and juveniles from South Africa, Nigeria, Cameroon, Israel, Iran and India, but were not observed in any of 15 o ...
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Tylenchorhynchus natalensis sp. nov. from South Africa (Nematoda: Tylenchorhynchinae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1984
Tylenchorhynchus natalensis sp. nov., (Botylenchus natalensis) from native grass in Natal, South Africa, is characterized by a slightly demarcated lip region, a slender stylet with posteriorly directed globi, a long postanal intestinal diverticulum, ...
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Nematodes of the families Dolichodoridae, Tylenchorhynchidae and Belonolaimidae in South Africa (Tylenchida: Hoplolaimoidea) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ Heyns, J. \ 1984
Twenty-one species representing 6 subfamilies and 11 genera of the families Dolichodoridae, Tylenchorhynchidae and Belonolaimidae are recorded from South Africa. Illustrations and pertinent measurements and diagnostic characters are given for the spe ...
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New and known species of some genera of Criconematidae (Nematoda) from South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1984
Four new and 3 known species of 4 genera of the Criconematidae are described and figured from South Africa. Criconemella pilosum n.sp. is characterised by the presence of a fringe of minute tubercles on the posterior margin of the annules, and the cu ...
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New Lobocriconema species from South Africa (Nematoda: Criconematidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1984
Three new species of the genus Lobocriconema are described and figured from South Africa. L. lantanum n.sp. from Lantana roots is separated from its nearest relative L. thornei by the presence of annules with distinctly crenate posterior edges and lo ...
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Plant-parasitic nematodes in pear orchards in the eastern and western Cape \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Swart, A. \ Hugo, H.J. \ 1984
During November 1982, 101 soil and root samples were collected from the most important pear-producing areas in the Cape Province. Representatives of the genera Paratrichodorus, Nanidorus, Helicotylenchus, Pratylenchus and Xiphinema were found in most ...
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New species of Amplimerlinius Siddiqi, 1976 and Paratrophurus Arias, 1970 from South Africa (Nematoda: Hoplolaimoidea) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ Heyns, J. \ 1983
Two new species of the genera Amplimerlinius and Paratrophurus are described from South Africa. A. omentelus is characterized by a weak cephalic sclerotization and a non-annulated tail terminus in the female, and P. anomalus by a slightly demarcated ...
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The genera Crossonema Mehta & Raski, 1971 and Ogma Southern, 1914 in South Africa (Nematoda: Criconematidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1983
C. dracomontanum n.sp. and C. inornatum n.sp. are described and figured from South Africa. C. dracomontanum is characterised by 6 longitudinal rows of scales and C. inornatum by 10 longitudinal rows of relatively unmodified scales. O. coffeae and O. ...
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The genus Xiphinema in South Africa. VII. Two new species from Natal, with more information on Xiphinema umobae Heyns & Spaull, 1979 (Nematoda : Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Vermeulen, W.J.J. \ 1982
X. spaulli n.sp., females only, from around sugar cane and X. natalensis n.sp. from around wild bramble, both from South Africa, are described and figured. X. spaulli resembles X. zulu but is distinguished from it by the nearly straight body posture ...
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Longidorus species from sugar cane in Natal (Nematoda: Longidoridae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Jacobs, P.J.F. \ Heyns, J. \ 1982
Four Longidorus species are reported from sugar cane in Natal, South Africa. L. paramonile n.sp. differs from both L. monile and L. moniloides in being longer and more slender, with a shorter tail and larger c ratio. L. laevicapitatus, a new record f ...
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Longidoroides species from sugar cane in Natal (Nematoda: Longidoridae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Jacobs, P.J.F. \ Heyns, J. \ 1982
Three new species of Longidoroides from sugar cane in Natal, South Africa are described and figured. L. pulcher n.sp. differs from L. spiralis in larger size and larger c ratio, and from L. utriculoides in longer odontostyle and more posteriorly situ ...
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Siddiqia species from sugar cane in Natal (Nematoda: Longidoridae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Jacobs, P.J.F. \ Heyns, J. \ 1982
Three new species of Siddiqia from sugar cane in Natal, South Africa are described and figured. S. spaulli n.sp. resembles S. fischeri, but has a smaller lip region, a shorter odontostyle and a median support in the amphidial chamber. S. deborae n.sp ...
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A new Meloidoderita species on sugar cane in South Africa (Nematoda: Meloidoderitidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Spaull, V.W. \ 1982
M. safrica n.sp. in soil and root samples from sugar cane in South Africa is described and figured. It is distinguished from M. kirjanovae by the absence of spines and longitudinal lines on the cuticle, longer stylet with more slender knobs and poste ...
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Two new species of Tylenchuloidea (Nematoda) on sugar cane in South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Spaull, V.W. \ 1982
Tylenchulus furcus n.sp. and Sphaeronema cornubiensis n.sp. from South Africa are described and figured. T. furcus is characterized by the presence of a forked tail tip in the larva. S. cornubiensis is distinguished from S. californicum, its nearest ...
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Further studies on the genus Hemicycliophora de Man, 1921 in South Africa (Nematoda: Hemicycliophoroidea) with a description of a new species \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1981
Further morphometric details, drawings and SEM micrographs of H. labiata, H. lutosa, H. natalensis and H. typica are given. H. transvaalensis is synonymized with H. typica. H. ripa n.sp. females from Schefflera, Psidium guajava and grass from South A ...
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Scutellonema transvaalensis sp.n. from South Africa with a note on S. minutum Sher, 1963 (Nematoda: Hoplolaimidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1981
Scutellonema transvaalensis n.sp. is described and figured from the northern Transvaal, South Africa. It is characterised by the female having a small, truncate lip region and the male having a lobe-like lip region when seen in an en face view, an ex ...
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Rotylenchulus species found associated with sugar cane in South Africa with a description of R. sacchari sp.n. (Nematoda: Rotylenchulinae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Spaull, V.W. \ 1981
Rotylenchulus sacchari n.sp. from around the roots of Saccharum in South Africa is described and illustrated. It is characterised by its large size, large stylet and broadly rounded tail in both the male and immature female. R. clavicaudatus is descr ...
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Studies on some Criconematoidea (Nematoda) from South Africa with a description of Ogma rhombosquamatum (Mehta & Raski, 1971) Andrassy, 1979 \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1980
Macroposthonia curvata, M. ferniae, M. obtusicaudata, M. sphaerocephala, M. xenoplax and Criconemella parva are described and figured using stereoscan photos. Ogma rhombosquamatum is described, figured and photographed for the first time from subtrop ...
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The genus Xiphinema in South Africa. V. X. zulu Heyns, 1965 and related species in the X. hallei group (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1979
Additional information is given on Xiphinema zulu Heyns, 1965, and three closely related species are described from South Africa: X. mampara, n.sp., which lacks a Z-organ and has a shorter tail, X. louisi n.sp., also without a Z-organ and with an eve ...
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The genus Xiphinema in South Africa. VI. Xiphinema umobae n.sp. from sugarcane in Natal (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Spaull, V.W. \ 1979
Xiphinema umobae n.sp. is described from sugarcane in Natal, South Africa. It is closest to the basiri group of Xiphinema but is distinguished by the postmedian vulva (V = 57 to 64) and its size (L = 4.8 to 6.1 mm).
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Two new species of the genus Macroposthonia De Man, 1880 (Madinematidae: Nematoda) from Southern Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1979
Macroposthonia azania n.sp. (male unknown) is described from soil around grass roots in South Africa. It is distinguished by having a flattened lip region, unelevated labial disc with 4 distinct, submedian lobes but no labial plates, smooth annules, ...
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Some spiral nematodes from the Fiji Islands (Hoplolaimidae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Kirby, M.F. \ 1979
Ten species of the genus Helicotylenchus and one of each of the genera Hoplolaimus and Scutellonema are described and figured from the Fiji islands, viz. Helicotylenchus californicus, H. dihystera, H. egyptiensis, H. indicus, H. microcephalus, H. mul ...
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The genus Rotylenchulus Linford & Oliveira, 1940 (Rotylenchulinae: Nematoda) in South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1978
Detailed, illustrated descriptions are given of Rotylenchulus leptus (2 immature females), R. parvus (7 populations) and R. reniformis (3 immature females and 3 males from Carica papaya) from South Africa.
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On some Helicotylenchus and Rotylenchus species from South Africa (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1978
Illustrated descriptions are given of Helicotylenchus serenus, H. tumidicaudatus and Rotylenchus caudaphasmidius, reported for the first time in South Africa. The lip region of R. caudaphasmidius differed from that described for the type specimens fr ...
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The genus Xiphinema in South Africa. IV. X. krugi Lordello, 1955, X. mediterraneum Martelli & Lamberti, 1967, and a new species of the X. hallei group (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1977
Xiphinema limpopoensis n.sp. from soil around Sorghum vulgare, Zea Mays, Pennisetum typhoides and virgin grass veld in Northern Transvaal, South Africa, is described. It differs from X. variabile by the presence of a well-developed Z organ situated n ...
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The genus Paratylenchus Micoletzky, 1922 (Paratylenchinae: Nematoda) in South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1977
In this first report on the genus Paratylenchus in South Africa full, illustrated descriptions are given of P. coronatus from poplar and willow, P. dianthus from chicory, P. elachistus from sugarcane and wheat, P. minutus from Musa and peach and P. p ...
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Descriptions of new and little known Criconematidae from South Africa (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Heyns, J. \ 1977
Nothocriconema sanctus-francisci n.sp. was collected from coarse sand just above spring tide highwater mark at Cape St. Francis, Cape Province, South Africa and from soil around Aloe roots near the beach at Jeffreys Bay. It closely resembles N. dupli ...
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The genus Xiphinema in South Africa. III. Two new species of the X. hallei-group, with additional information on X. vanderlindei Heyns, 1962 and X. dimorphicaudatum Heyns, 1966 (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1976
This paper deals with 4 closely related species of the Xiphinema hallei group in South Africa. The description of X. vanderlindei is emended and the male is described from the 2 specimens found. The chief emendments are that V = 43 to 49% (instead of ...
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Some species of Tylenchoidea (Nematoda) from South Africa, with descriptions of two new species \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1976
Rotylenchus devonensis n.sp. and Scutellonema tsitsikamensis n.sp. are described from turf soil in a Zea mays field and from soil amongst ferns under Podocarpus sp., respectively, in South Africa. Rotylenchoides brevis, Pratylenchus flakkensis and Ro ...
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Some Tylenchoidea (Nematoda) from South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1975
Three new species of tylenchoid nematodes are described and illustrated. Histotylenchus hedys sp.n. is distinguished by the non-coalesced inner lateral lines and the very large postanal diverticulum of the intestine, Telotylenchus verutus sp.n. by th ...
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South African Hoplolaiminae. 4. The genus Helicotylenchus Steiner, 1945 \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Heyns, J. \ 1975
Eighteen species of Helicotylenchus are reported from various habitats and localities in South Africa. H. californicus, H. canalis, H. caroliniensis, H. cavenessi, H. digonicus, H. elegans, H. erythrinae, H. exallus, H. microcephalus, H. paraplatyuru ...
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The genus Xiphinema in South Africa I. X. americanum-group (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1974
Two species of the Xiphinema americanum-group occur in South Africa: X. americanum and X. brevicolle. Information is given on their morphology, variation and distribution in South Africa, and the male of X. brevicolle is described and figured for the ...
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The genus Mesodorylaimus in South Africa (Nematoda: Dorylaimoidea) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Basson, J.B.E. \ Heyns, J. \ 1974
Eleven new Mesodorylaimus species are described from South Africa: M. margaritus, M. kowyni, M. transkeiensis, M. paralitoralis, M. bainsi, M. pseudosubtilis, M. johanni, M. sanctus, M. importunus, M. rotundolabiatus and M. usitatus. Descriptions and ...
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South African Hoplolaiminae 3. The genus Rotylenchus Filipjev, 1936 \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Heyns, J. \ 1974
Descriptions, figures, key, distribution and host plants are given for the following species of Rotylenchus found in cultivated and uncultivated soils of South Africa: Rotylenchus abnormecaudatus n.sp., R. acuspicaudatus n.sp., R. bialaebursus n.sp., ...
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Dolichodorus brevistilus n.sp. (Tylenchida) a plant parasitic nematode found in sugarcane fields in Natal \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Harris, R.H.G. \ 1973
Dolichodorus brevistilus n.sp., collected around the roots of sugarcane in Natal, South Africa, is described. It differs from other known species in having a body 0.91 to 1.52 mm long, a stylet 47 to 56 mu long and a slender procorpus whose lumen is ...
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New and little known species of the nematode families Monhysteridae and Tripylidae from South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Argo, A.D. \ Heyns, J. \ 1973
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South African Hoplolaiminae. 2. The genus Scutellonema Andrassy, 1958 \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Heyns, J. \ 1973
Descriptions and figures are given of South African specimens of 7 known Scutellonema spp., namely, S. aberrans, S. africanum, S. brachyurum, S. cavenessi, S. minutum, S. truncatum and S. unum and of 5 new species, namely, S. bizanae, S. commune, S. ...
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Observations on South African Paralongidorus species (Nematoda: Longidoridae) with descriptions of two new species \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1972
Further observations are made on the distribution and morphological variation of Paralongidorus erriae and P. capensis in soil, in South Africa, and 2 new species from South Africa, P. fischeri and P. spasskii, are described and compared with the rel ...
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Four new species of the genus Ironus Bastian, 1865 (Nematoda: Ironidae) from South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Argo, A.D. \ Heyns, J. \ 1972
Ironus dentifurcatus n.sp., I. crassatus n.sp., I. ernsti n.sp. and I. lautus n.sp. are described from soils of South Africa. Males are known only for I. ernsti. I. dentifurcatus has 1.16 to 1.82 mm long body, 13 to 19 mu wide lip region, 68 to 108 m ...
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Three Xiphinema species from the south western Cape Province (Nematoda: Longidoridae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1971
Xiphinema parvistylus [? parvistylum] n.sp., X. meridianum n.sp. and X. index collected in South Africa are described and figured. Females of X. parvistylus from among roots of pine, wattle, Port Jackson trees, apple, peach and citrus are 2.43 to 3.1 ...
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Three new species of the genus Kochinema (Nematoda: Dorylaimoidea) from South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Argo, A.D. \ Van Den Berg, E. \ 1971
Kochinema tenue n.sp. known only by females has 0.81 to 0.87 mm. long body, 17 mu long spear bearing 3.4 mu long aperture, vulva at 55% of body, and a tail about 1.5 times the anal body-width long. K. longum n.sp. is 1.3 to 1.6 mm. long and has a 18. ...
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South African Criconematinae. Part I. Genera Nothocriconema Lobocriconema, Criconemella, Xenocriconemella and Discocriconemella (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1970
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South African Cricone-matigiae. Part 2. Genera Cilconema, Hemiericone-moides and some Macroposthonia (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1970
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South African Criconematinae. Part 3. More species of Hemicriconemoides and Macroposthonia (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1970
One new Hemicriconemoides species and 2 new Macroposthonia species from South Africa are described and illustrated. H. sacchariae n.sp., from sugar-cane roots in Transvaal, differs from H. intermedius in having a bluntly rounded tail and sheath with ...
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New records and species of Dorylaimoidea (Nematoda) from South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1970
Four new species of Dorylaimoidea are described and figured. Dorylaimus gigas n.sp. is characterized by a short, stout spear, Ischiodorylaimus tessares n.sp. by a short female tail, Afrodorylaimus bimane n.sp. by a rounded structure on the apex of ea ...
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