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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Record number 335458
Title Egg laying site preferences in Pterostichus melanarius Illiger (Coleoptera: Carabidae)
Author(s) Trefas, H.; Lenteren, J.C. van
Source Proceedings of the Netherlands Entomological Society meeting 15 (2004). - ISSN 1874-9542 - p. 105 - 109.
Department(s) Laboratory of Entomology
Publication type Non-refereed article in scientific journal
Publication year 2004
Keyword(s) hordeum vulgare - brassica oleracea var. gemmifera - plantenplagen - natuurlijke vijanden - pterostichus melanarius - ovipositie - biologische bestrijding - hordeum vulgare - brassica oleracea var. gemmifera - plant pests - natural enemies - pterostichus melanarius - oviposition - biological control
Categories Biological Control of Pests
Abstract In the case of ground beetles, the number of studies investigating the effects plant-related structure and microclimate on the selection of egg laying sites is very limited. The egg laying site preference of Pterostichus melanarius, an important carabid beetle in agricultural fields, was studied under laboratory conditions. The effects of wet/dry substrate, light/shadow and structured/unstructured environment on the number of eggs laid were investigated, as well as the influence of the presence of barley and Brussels sprout plants. We found that there was a strong influence of plant structure and microclimate on the selection of egg laying sites. Results showed a higher numbers of eggs laid in barley compared to Brussels sprouts. These results were supported by a significant preference for moist, shadowed, structurally complex environments as egg laying sites. Results indicate that vegetation characteristics in themselves may influence egg laying site preferences, beside the availability of prey for the adults and larvae, in the different plant systems.
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