Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Relationship between the ability to penetrate complex webs of Tetranychus spider mites and the ability of thread-cutting behavior in phytoseiid predatory mites
    Shimoda, T. ; Kishimoto, H. ; Takabayashi, J. ; Amano, H. ; Dicke, M. - \ 2010
    Biological Control 53 (2010)3. - ISSN 1049-9644 - p. 273 - 279.
    womersleyi schicha acari - kanzawai kishida acari - intraguild predation - amblyseius-womersleyi - natural enemies - prey preference - food - specialization - populations - orchards
    Predatory mites, that are important natural enemies of Tetranychus spider mites, are less hindered by complex webs of the spider mites than are other predatory mites that are natural enemies of other pest herbivores. This can be partly explained by their chaetotaxy, a morphological protection against the webs. However, it has up to now been unclear whether the ability to penetrate complex webs is related to the ability of thread-cutting behavior to reduce the effects of the webs. The two predatory mites Neo-seiulus cucumeris and Typhlodromus vulgaris, that are natural enemies of other pest herbivores, were often entrapped by the sticky silken threads while moving within the complex web produced by the two-spotted spider mites Tetranychus urticae. Once captured, their movements and foraging activities were hindered until their escape from entrapment. In contrast, N. womersleyi and Phytoseiulus persimilis, that are important natural enemies of Tetranychus mites, were significantly less frequently entrapped by the web and for shorter periods. Furthermore, N. womersleyi and P. persimilis cut significantly more silken threads within the web than did N. cucumeris and T. vulgaris. The different behavioral activities exhibited by N. cucumeris and N. womersleyi could not be explained by their rearing conditions (i.e., past experience with complex webs). These results supported the hypothesis and might offer an ecological indicator for distinguishing potential important natural enemies of Tetranychus mites from less useful types. (c) 2010 Elsevier Inc. All rights reserved.
    Comparison of thread-cutting behaviour in three specialist predatory mites to cope with complex webs of Tetranychus spider mites
    Shimoda, T. ; Kishimoto, H. ; Takabayashi, J. ; Amano, H. ; Dicke, M. - \ 2009
    Experimental and Applied Acarology 47 (2009)2. - ISSN 0168-8162 - p. 111 - 120.
    insect predator - natural enemies - phytoseiidae - acari - prey - thysanoptera - thripidae - success - stage
    Anti-predator defenses provided by complex webs of Tetranychus mites can severely impede the performance of generalist predatory mites, whereas this may not be true for specialist predatory mites. Although some specialist predatory mites have developed morphological protection to reduce the adverse effects of complex webs, little is known about their behavioral abilities to cope with the webs. In this study, we compared thread-cutting behavior of three specialist predatory mites, Phytoseiulus persimilis, Neoseiulus womersleyi and N. californicus, exhibited inside the complex web of T. urticae. No major difference was observed among them in the basic pattern of this behavior, using chelicerae and palps, and in the number of silken threads severed while moving inside the web. These results and observations suggest that each predator species cut many sticky silken threads to move inside the complex web without suffering from serious obstruction
    Exposure of Lima bean leaves to volatiles from herbivore-induced conspecific plants results in emission of carnivore attractants: active or passive process?
    Choh, Y. ; Shimoda, T. ; Ozawa, R. ; Dicke, M. ; Takabayashi, J. - \ 2004
    Journal of Chemical Ecology 30 (2004)7. - ISSN 0098-0331 - p. 1305 - 1317.
    tetranychus-urticae - field conditions - natural enemies - jasmonic acid - spider-mites - attack - phytoseiidae - responses - mutualism - predator
    There is increasing evidence that volatiles emitted by herbivore-damaged plants can cause responses in downwind undamaged neighboring plants, such as the attraction of carnivorous enemies of herbivores. One of the open questions is whether this involves an active (production of volatiles) or passive (adsorption of volatiles) response of the uninfested downwind plant. This issue is addressed in the present study. Uninfested lima bean leaves that were exposed to volatiles from conspecific leaves infested with the spider mite Tetranychus urticae, emitted very similar blends of volatiles to those emitted from infested leaves themselves. Treating leaves with a protein-synthesis inhibitor prior to infesting them with spider mites completely suppressed the production of herbivore-induced volatiles in the infested leaves. Conversely, inhibitor treatment to uninfested leaves prior to exposure to volatiles from infested leaves did not affect the emission of volatiles from the exposed, uninfested leaves. This evidence supports the hypothesis that response of the exposed downwind plant is passive. T. urticae-infested leaves that had been previously exposed to volatiles from infested leaves emitted more herbivore-induced volatiles than T. urticae-infested leaves previously exposed to volatiles from uninfested leaves. The former leaves were also more attractive to the predatory mite, Phytoseiulus persimilis, than the latter. This shows that previous exposure of plants to volatiles from herbivore-infested neighbors results in a stronger response of plants in terms of predator attraction when herbivores damage the plant. This supports the hypothesis that the downwind uninfested plant is actively involved. Both adsorption and production of volatiles can mediate the attraction of carnivorous mites to plants that have been exposed to volatiles from infested neighbors.
    Lima bean leaves exposed to herbivore-induced conspecific plant volatiles attract herbivores in addition to carnivores
    Horiuchi, J.I. ; Arimura, G.I. ; Ozawa, R. ; Shimoda, T. ; Dicke, M. ; Takabayashi, J. ; Nishioka, T. - \ 2003
    Applied Entomology and Zoology 38 (2003)3. - ISSN 0003-6862 - p. 365 - 368.
    tetranychus-urticae - induced resistance - field conditions - wild tobacco - spider-mites - communication - sagebrush - responses - predator - defense
    We tested the response of the herbivorous mite Tetranychus urticae to uninfested lima bean leaves exposed to herbivore-induced conspecific plant volatiles by using a Y-tube olfactometer. First, we confirmed that exposed uninfested leaves next to infested leaves were more attractive to carnivorous mites Phytoseiulus persimilis than uninfested leaves next to uninfested conspecific leaves. Under the same conditions, uninfested leaves next to infested conspecific leaves were more attractive to T urticae than uninfested leaves next to uninfested leaves. Based on these data, we discuss the role of the volatiles from the exposed plants in a tritrophic system.
    Induced response of tomato plants to injury by green and red strains of Tetranychus urticae
    Takabayashi, J. ; Shimoda, T. ; Dicke, M. ; Ashihara, W. ; Takafuji, A. - \ 2000
    Experimental and Applied Acarology 24 (2000). - ISSN 0168-8162 - p. 377 - 383.
    We studied the induced response of tomato plants to the green strain and the red strain of the spider mite Tetranychus urticae. We focused on the olfactory response of the predatory mite Phytoseiulus persimilis to volatiles from T. urticae-infested tomato leaves in a Y-tube olfactometer. Tomato leaves attracted the predatory mites when slightly infested with the red strain, or moderately or heavily infested with the green strain. In contrast, neither leaves that were slightly infested with green-strain mites, nor leaves that were moderately or heavily infested with the red strain attracted the predators. We discuss the specific defensive responses of tomato plants to each of the two strains.
    Tritrophic interactions consisting of tomato plants, spider mites and predatory mites
    Takabayashi, J. ; Shimoda, T. ; Dicke, M. - \ 1999
    In: Book of Abstracts: The 4th International Symposium on Population Dynamics of Plant-Inhabiting Mites. 10-14 May 1999, Shirankaikan,Kyoto, Japan - p. 33 - 33.
    Inter and intraspecific variation in composition of herbivore-induced synomones that attract predatory mites
    Takabayashi, J. ; Dicke, M. ; Posthumus, M.A. ; Takahashi, S. - \ 1999
    In: Acarology IX, Proceedings 9th International Congress of Acarology / Needham, G.R., Mitchell, R., Horn, D.J., Welbourn, W.C., Columbus Ohio : Ohio Biological Survey - p. 239 - 244.
    Behavioural ecology of plant-phytoseiid interactions mediated by herbivore-induced plant volatiles
    Dicke, M. ; Takabayashi, J. ; Posthumus, M.A. ; Schütte, C. ; Krips, O.E. - \ 1999
    In: Ecology and Evolution of the Acari. Proceedings of the 3rd Symposium of the European Association of Acarologists 1-5 Jyly1996, Amsterdam, The Netherlands / J. Bruin, L.P.S. van der Geest and M.W. Sabelis (eds.), Dordrecht : Kluwer, 1999 - p. 251 - 268.
    Plant-phytoseiid interactions mediated by herbivore-induced plant volatiles: variation in production of cues and in responses of predatory mites.
    Dicke, M. ; Takabayashi, J. ; Posthumus, M.A. ; Schutte, C. ; Krips, O.E. - \ 1998
    Experimental and Applied Acarology 22 (1998). - ISSN 0168-8162 - p. 311 - 333.
    Phytoseiid mites use herbivore-induced plant volatiles in long-range prey-habitat location and are arrested by these volatiles in a prey patch. The responses of predatory mites to these volatiles are considered to be an important factor in the local extermination of prey populations by phytoseiids such as Phytoseiulus persimilis. Prey-induced plant volatiles are highly detectable and can be reliable indicators of prey presence and prey identity. The composition of herbivore-induced plant volatiles depends on plant species and plant cultivar. Moreover, the composition may also vary with the herbivore species that infests a plant. The responses of phytoseiids to prey-induced plant volatiles from a specific plant-herbivore combination are highly variable. Causal factors include starvation, specific hunger, experience, pathogen infestation and the presence of competitors. Investigating variation in the phytoseiid's behavioural response in relation to these factors is important for understanding how and why behavioural strategies maximize phytoseiid fitness.
    Plant effects on parasitoid foraging: differences between two tritrophic systems.
    Takabayashi, J. ; Sato, Y. ; Horikoshi, M. ; Yamaoka, R. ; Yano, S. ; Ohsaki, N. ; Dicke, M. - \ 1998
    Biological Control 11 (1998). - ISSN 1049-9644 - p. 97 - 103.
    Plants can affect the effectiveness of carnivorous insects in various ways. An important aspect is that herbivory results in the emission of plant volatiles that are used by carnivores to locate their herbivorous victims. Here we show that such plant volatiles may affect parasitoids differently in two different tritrophic systems. The parasitoidCotesia kariyai(Hymenoptera: Braconidae) is attracted to volatiles from uninfested plants, both host-food plants and non-host-food plants. However, females of this parasitoid clearly prefer host (Pseudaletia separatalarvae)-infested corn plants over uninfested corn plants or artificially damaged plants. This response is quite specific: feeding by early larval instars results in attraction of the parasitoids, while feeding by late larval instars does not. Another parasitoid,Cotesia glomerata,is a specialist ofPieris rapaelarvae in mainland Japan where they feed on crucifers. The wasps preferred uninfestedRorippa indicaplants to non-host-food plants and host-infestedR. indicaplants, or artificially damagedR. indicaplants to uninfestedR. indica.This response was not specific: in a two-choice test the wasps preferred volatiles from artificially damaged plants over those from infested plants. The differences in plant cues available to the two parasitoids are discussed in terms of plant effects on biological control agents.
    Herbivore-induced plant volatiles with multifunctional effects in ecosystems: A complex pattern of biotic interactions.
    Takabayashi, J. ; Dicke, M. - \ 1997
    In: Biodiversity, An ecological perspective / Abe, T., Levin, S.A., Higashi, M., - p. 131 - 145.
    The role of plant chemicals in host selection by parasitic insects.
    Takabayashi, J. ; Horikoshi, M. ; Yano, S. ; Ohsaki, N. ; Yamaoka, R. ; Dicke, M. ; Sato, Y. - \ 1996
    In: Proc. 20th Int. Congr. of Entomology, Firenze, Italy - p. 621 - 621.
    Plant-carnivore mutualism through herbivore-induced carnivore attractants.
    Takabayashi, J. ; Dicke, M. - \ 1996
    Trends in Plant Science 1 (1996). - ISSN 1360-1385 - p. 109 - 113.
    Plants and carnivorous arthropods can interact mutualistically. A recent discovery is that such mutualisms can be mediated by volatile compounds — produced by plants in response to herbivore damage — that attract carnivores. However, after emission of these attractants, the plant has no control over their use. Thus, exploitation of the information may occur, to the detriment of the plant, leading to costs in addition to benefits. Although all plants studied to date become attractive to carnivorous arthropods after damage by herbivores, they do so in different ways and it is important to understand why this is so.
    Developmental stage of herbivore Pseudaletia separata affects production of herbivore-induced synomone by corn plants.
    Takabayashi, J. ; Takahashi, S. ; Dicke, M. ; Posthumus, M.A. - \ 1995
    Journal of Chemical Ecology 21 (1995). - ISSN 0098-0331 - p. 273 - 287.
    Leaf age affects composition of herbivore-induced synomones and attraction of predatory mites.
    Takabayashi, J. ; Dicke, M. ; Takahashi, S. ; Posthumus, M.A. ; Beek, T.A. van - \ 1994
    Journal of Chemical Ecology 20 (1994). - ISSN 0098-0331 - p. 373 - 386.
    Volatile herbivore-induced terpenoids in plant-mite interactions: variation caused by biotic and abiotic factors.
    Takabayashi, J. ; Dicke, M. ; Posthumus, M.A. - \ 1994
    Journal of Chemical Ecology 20 (1994). - ISSN 0098-0331 - p. 1329 - 1354.
    Volatile allelochemicals that mediate interactions in a tritrophic system consisting of predatory mites, spider mites, and plants.
    Takabayashi, J. ; Dicke, M. - \ 1993
    In: Mutualism and community organization. Behavioural, theoretical, and food-web approaches / Kawanabe, H., Oxford : Oxford Univ. Press - ISBN 9780198540274 - p. 280 - 295.
    Response of predatory mites with different rearing histories to volatiles of uninfested plants
    Takabayashi, J. ; Dicke, M. - \ 1992
    Entomologia Experimentalis et Applicata 64 (1992). - ISSN 0013-8703 - p. 187 - 193.
    nuttige insecten - biologische bestrijding - komkommers - cucumis sativus - insecten - limabonen - solanum lycopersicum - phaseolus lunatus - plantenplagen - solanaceae - tomaten - phytoseiulus persimilis - beneficial insects - biological control - cucumbers - cucumis sativus - insects - lima beans - solanum lycopersicum - phaseolus lunatus - plant pests - solanaceae - tomatoes - phytoseiulus persimilis
    When do plants infested by herbivores attract parasitoids?
    Takabayashi, J. ; Takahashi, S. ; Dicke, M. ; Posthumus, M.A. - \ 1992
    In: Abstract Int. Seminar Symbiosis, Kyoto, Japan - p. 8 - 8.
    Advertizements for bodyguards differ between plant species.
    Takabayashi, J. ; Dicke, M. ; Beek, T.A. van; Posthumus, M.A. - \ 1992
    In: Abstract Int. Symp. Phytochemistry and agriculture, Wageningen - p. 44 - 44.
    Specificity of induced indirect defence of plants against herbivores.
    Dicke, M. ; Takabayashi, J. - \ 1992
    In: Proc. 4th Eur. Workshop Insect parasitoids, F. Bin (ed.). Perugia 1991. Redia 74,3 appendix - p. 105 - 113.
    Induction of indirect defence against spider-mites in uninfested lima bean leaves.
    Takabayashi, J. ; Dicke, M. ; Posthumus, M.A. - \ 1991
    Phytochemistry 30 (1991). - ISSN 0031-9422 - p. 1459 - 1462.
    Headspace analyses of uninfested Lima bean (Phaseolus lunatus) leaves show an absence of or only trace amounts of the terpenoids (E)--ocimene and (E)-4,8-dimethyl-1,3,7-nonatriene. Upon infestation by two-spotted spider-mites (Tetranychus urticae), Lima bean leaves produce (E)--ocimene and (E)-4,8-dimethyl-1,3,7-nonatriene which attract predators of the herbivore, a phenomenon known as indirect defence. When uninfested Lima bean leaves were placed on wet cotton wool upon which leaves that were partially infested with spider-mites, were also placed, the uninfested leaf tissue emitted the terpenoids in relatively high amounts: ca 20–40% of the amounts emitted by the infested leaf tissue. The same effect was found when uninfested leaves were put on wet cotton wool on which infested leaves had previously lain. The data show that an elicitor(s) from spider-mite infested leaves induces the production of (E)--ocimene and (E)-4,8-dimethyl-1,3,7-nonatriene in uninfested Lima bean leaves. This is the first chemical evidence for induction of indirect defence in uninfested leaves
    Chemically mediated mutualistic interactions between plants and predators.
    Takabayashi, J. ; Dicke, M. - \ 1991
    In: Proc. Int. Symp. Diversity and flexibility of biotic communities in fluctuating environments. Kyoto - p. 25 - 25.
    Induction of indirect defense of plants: recruitment of bodyguards.
    Dicke, M. ; Takabayashi, J. ; Posthumus, M.A. - \ 1991
    In: Abstract 8th Ann. Meeting Int. Soc. of Chem. Ecol., Dijon, France (1991)
    Specificity of induced indirect defence of plants against herbivores.
    Dicke, M. ; Takabayashi, J. ; Posthumus, M.A. - \ 1991
    In: Abstract 6th Eur. Workshop Insect parasitoids: tritrophic interactions. Perugia - p. 4 - 4.
    Plants produce attractants for Apanteles kariyai, a parasitoid Pseudaletia separata; cases of 'communication' and 'misunderstanding' in parasitoid-plant interactions.
    Takabayashi, J. ; Noda, T. ; Takahashi, S. - \ 1991
    Applied Entomology and Zoology 26 (1991). - ISSN 0003-6862 - p. 237 - 243.
    Uninfested plants profit from their infested neighbours.
    Bruin, J. ; Sabelis, M.W. ; Takabayashi, J. ; Dicke, M. - \ 1991
    Proceedings of the Section Experimental and Applied Entomology of the Netherlands Entomological Society 2 (1991). - ISSN 1388-8390 - p. 103 - 108.
    Variation in composition of predator-attracting allelochemicals emitted by herbivore-infested plants: relative influence of plant and herbivore.
    Takabayashi, J. ; Dicke, M. ; Posthumus, M.A. - \ 1991
    Chemoecology 2 (1991). - ISSN 0937-7409 - p. 1 - 6.
    During foraging, natural enemies of herbivores may employ volatile allelochemicals that originate from an interaction of the herbivore and its host plant. The composition of allelochemical blends emitted by herbivore-infested plants is known to be affected by both the herbivore and the plant. Our chemical data add new evidence to the recent notion that the plants are more important than the herbivore in affecting the composition of the volatile blends. Blends emitted by apple leaves infested with spider mites of 2 different species,T. urticae andP. ulmi, differed less in composition (principally quantitative differences for some compounds) than blends emitted by leaves of two apple cultivars infested by the same spider-mite species,T. urticae (many quantitative and a few qualitative differences). Comparison between three plant species — apple, cucumber and Lima bean — reveals even larger differences between volatile blends emitted upon spider-mite damage (many quantitative differences and several qualitative differences).
    Advertizements for bodyguards differ between plant species.
    Takabayashi, J. ; Dicke, M. ; Beek, T.A. van; Posthumus, M.A. - \ 1990
    In: Symp. Secundair metabolisme in plant en plantecel, Leiden - p. 21 - 21.
    Effects of plant volatiles on the foraging behavior of parasitoids and predators.
    Takabayashi, J. ; Takahashi, S. ; Dicke, M. - \ 1990
    In: Proc. 3rd JSPS-VCC Seminar Integrated engineering. Japan Soc. Promotion of Science. Kuala Lumpur - p. 271 - 277.
    Do plants cry for help? Evidence related to a tritrophic system of predatory mites, spider mites and their host plants.
    Dicke, M. ; Sabelis, M.W. ; Takabayashi, J. - \ 1990
    In: Insects-Plants '89 / Szentesi, Á., Jermy, T., Budapest : Akadémiai Kiadó (Symposia Biologica Hungarica 39) - ISBN 9780897718363 - p. 127 - 134.
    Environmental effects on production of a plant synomone that attracts predatory mites.
    Takabayashi, J. ; Dicke, M. ; Kemerink, J. ; Veldhuizen, T. - \ 1990
    In: Insects-Plants '89 / Szentesi, Á., Jermy, T., Budapest : Akadémiai Kiadó (Symposia Biologica Hungarica 39) - ISBN 9780897718363 - p. 541 - 542.
    Foraging for patchily-distributed leaf miners by the parasitic wasp, Dacnusa sibirica.
    Sugimoto, T. ; Minkenberg, O.P.J.M. ; Takabayashi, J. ; Dicke, M. ; Lenteren, J.C. van - \ 1990
    Researches on population ecology 32 (1990). - ISSN 0034-5466 - p. 381 - 389.
    Plant strategies of manipulating predator-prey interactions through allelochemicals: prospects for application in pest control.
    Dicke, M. ; Sabelis, M.W. ; Takabayashi, J. ; Bruin, J. ; Posthumus, M.A. - \ 1990
    Journal of Chemical Ecology 16 (1990). - ISSN 0098-0331 - p. 3091 - 3118.
    To understand the role of allelochemicals in predator-prey interactions it is not sufficient to study the behavioral responses of predator and prey. One should elucidate the origin of the allelochemicals and be aware that it may be located at another trophic level. These aspects are reviewed for predator-prey interactions in general and illustrated in detail for interactions between predatory mites and herbivorous mites. In the latter system there is behavioral and chemical evidence for the involvement of the host plant in production of volatile allelochemicals upon damage by the herbivores with the consequence of attracting predators. These volatiles not only influence predator behavior, but also prey behavior and even the attractiveness of nearby plants to predators. Herbivorous mites disperse away from places with high concentrations of the volatiles, and undamaged plants attract more predators when previously exposed to volatiles from infested conspecific plants rather than from uninfested plants. The latter phenomenon may well be an example of plant-to-plant communication. The involvement of the host plant is probably not unique to the predator-herbivore-plant system under study. It may well be widespread since it makes sense from an evolutionary point of view. If so, prospects for application in pest control are wide open. These are discussed, and it is concluded that crop protection in the future should include tactics whereby man becomes an ally to plants in their strategies to manipulate predator-prey interactions through allelochemicals.
    Volatile allelochemicals that mediate interactions in a tritrophic system consisting of predatory mites, spider mites and plants.
    Takabayashi, J. ; Dicke, M. - \ 1990
    In: Abstract Oji Int. Seminar Mutualism, cooperation, and organization in natural communities - p. 25 - 25.
    An allelochemical elicits arrestment in Apanteles kariyai in feces of nonhost larvae Acantholeucania loreyi.
    Takabayashi, J. ; Takahashi, S. - \ 1990
    Journal of Chemical Ecology 16 (1990). - ISSN 0098-0331 - p. 2009 - 2017.
    Learning affects response to volatile allelochemicals by predatory mites.
    Dicke, M. ; Maas, K.J. van der; Takabayashi, J. ; Vet, L.E.M. - \ 1990
    Proceedings of the Section Experimental and Applied Entomology of the Netherlands Entomological Society 1 (1990). - ISSN 1388-8390 - p. 31 - 36.
    Advertisements for bodyguards differ between plant species.
    Takabayashi, J. ; Dicke, M. ; Beek, T.A. van; Posthumus, M.A. - \ 1990
    In: Abstract Symp. Secundair metabolisme in plant en plantecel, Leiden - p. 21 - 21.
    Advertizements for bodyguards differ between plant species.
    Takabayashi, J. ; Dicke, M. ; Beek, T.A. van; Posthumus, M.A. - \ 1989
    In: Abstract Int. Symp. Semiochemicals and pest control, Wageningen, The Netherlands - p. 13 - 14.
    Collection of volatiles on an adsorbent and subsequent desorption for chemical analysis.
    Dicke, M. ; Beek, T.A. van; Takabayashi, J. ; Posthumus, M.A. - \ 1989
    In: Abstract Int. Symp. Semiochemicals and pest control, Wageningen, The Netherlands - p. 18 - 18.
    Learning in predatory mites: a tritrophic approach.
    Dicke, M. ; Maas, K.J. van der; Takabayashi, J. ; Vet, L.E.M. - \ 1989
    In: Abstract Int. Symp. Semiochemicals and pest control, Wageningen, The Netherlands - p. 15 - 15.
    Effects of host fecal pellet and synthetic kairomone on host-searching and postoviposition behavior of Apanteles kariyai, a parasitoid of Pseudaletia separata
    Takabayashi, J. ; Takahashi, S. - \ 1989
    Entomologia Experimentalis et Applicata 52 (1989). - ISSN 0013-8703 - p. 221 - 227.
    Environmental effects on production of plant synomone that attracts a predatory mite.
    Takabayashi, J. ; Dicke, M. ; Kemerink, J. - \ 1989
    In: Abstracts Int. Society Chemical Ecology, 6th Ann. Meeting, Göteborg (1989). Ook: Abstracts 7th Int. Symp. Insect-plant relationships. Budapest - p. 58 - 58.
    Collection of volatiles and subsequent desorption for chemical analysis.
    Dicke, M. ; Beek, T.A. van; Takabayashi, J. ; Posthumus, M.A. - \ 1989
    In: Abstract Symp. Semiochemicals and pest control, Wageningen - p. 18 - 18.
    Advertisements for bodyguards differ between plant species.
    Takabayashi, J. ; Dicke, M. ; Beek, T.A. van; Posthumus, M.A. - \ 1989
    In: Abstract Symp. Semiochemicals and pest control, Wageningen - p. 13 - 13.
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