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You are here: Home / Associated publications / Belgian Journal of Zoology / Bibliographic References / Prédation préférentielle des adultes de Phytoseiulus persimilis sur certains stades de développement de la proie dans une population de Tetranychus urticae.

P NIHOUL, G VANIMPE, L VANASSELT and T HANCE (1992)

Prédation préférentielle des adultes de Phytoseiulus persimilis sur certains stades de développement de la proie dans une population de Tetranychus urticae.

BELGIAN JOURNAL OF ZOOLOGY, 122(1):75-81.

In order to determine the stage of Tetranychus urticae preferentially eaten by Phytoseiulus persimilis, adult predators were placed in prey colonies formed on bean leaves. The age structure of each prey colony had been previously recorded. The behaviour of the predators was then followed and the first and second prey stages eaten by the predator were noted. In these conditions, the first stage eaten by the adult female predator was preferentially a female, while no significant selective predacious behaviour was noted at the second food intake. On the contrary, prey females were less eaten than expected by a random choice by male predators which preferred eggs. Besides, it seems that the prey selection behaviour may involve kairomones.

TETRANYCHUS-URTICAE; PHYTOSEIULUS-PERSIMILIS; PREDATION; DEVELOPMENT STAGE
BJZ

ISSN 2295-0451 (online version)
ISSN 0777-6279 (printed version)
impact factor 2015: 0,87.

Editor-in-Chief:
Prof. Dr. Isa Schön
Royal Belgian Institute of Natural Sciences
Vautierstraat 29
1000 Brussels, Belgium

 



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