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OPTIMAL INSPECTION TIME IN FORAGING STRATEGIES: A MODEL FOR SUPERPARASITISM IN INSECT PARASITOIDS by OLIVIER GLAIZOT1,* and ROGER ARDITI2,3 (1Institute of Zoology and Animal Ecology, University of Lausanne, 1015 Lausanne, Switzerland; 2Ecologie des populations et communautés, URA 2154, Bâtiment

In: Netherlands Journal of Zoology

SUCCESSFUL INVASION OF NORTH AMERICA BY TWO PALEARCTIC DROSOPHILA SPECIES (DIPTERA: DROSOPHILIDAE): A MATTER OF IMMUNITY TO LOCAL PARASITOIDS? by ALEX R. KRAAIJEVELD and JACQUES J.M. VAN ALPHEN ( Uniaersity of Leiden, Department of Population Biology, liaiserstraat 63, P. 0. Box 9516, 2300 RA

In: Netherlands Journal of Zoology
Author: Peter J. Mayhew

THE LIFE-HISTORIES OF PARASITOID WASPS DEVELOPING IN SMALL GREGARIOUS BROODS by PETER J. MAYHEW (Institute of Evolutionary and Ecological Sciences, Kaiserstraat 63, PO Box 9516, 2300 RA Leiden, The Netherlands, E-Mail: MAYHEW@rulsfb.LeidenUniv.nl) ABSTRACT Theory predicts that small gregarious

In: Netherlands Journal of Zoology

parasitize phylogenetically distant hosts such as Coleoptera (Lopez et al., 2011 ). Among these host species are several known pest species. Bracon hebetor is one of the most important parasitoids of stored product pest species belonging to the sub-family Phycitinae of the Pyralid moths. These include the

In: Animal Biology

Wageningen, The Netherlands) SUMMARY Several factors determine the amount of foraging time which the parasitoid Leptopilina heterotoma will spend on a patch with hosts, like the composition of the host medium, the age and size of the host patch, the number of searching conspecifics, and the number and

In: Netherlands Journal of Zoology

PATCH RESIDENCE TIME AND ENCOUNTERS WITH PARASITISED HOSTS: A REACTION by JACQUES J.M. VAN ALPHEN (Department of Population Biology, University of Leiden, P.O. Box 9516, 2300 RA Leiden, The Netherlands) SUMMARY Patch residence time of a foraging parasitoid is determined by different

In: Netherlands Journal of Zoology

ADAPTIVE SUPERPARASITISM AND PATCH TIME ALLOCATION IN SOLITARY PARASITOIDS: THE INFLUENCE OF THE NUMBER OF PARASITOIDS DEPLETING A PATCH by MARCEL E. VISSER, JACQUES J. M. VAN ALPHEN and HENK W. NELL') (Department of Population Biology, University of Leiden, P.O. Box 9516, 2300 RA Leiden, The

In: Behaviour
Authors: Dan González and Petr Stary

140 Parasitoid spectrum of Acyrthosiphon-aphids in Central Asia (Hymenoptera: Aphidiidae) PETR STARY and DAN GONZÁLEZ The spectrum of parasitoids (namely of Acyrthosiphon pisum Harris and A. gossypii Mordw.) is reviewed with respect to the host range of the particular species. Distribution of

In: Insect Systematics & Evolution

the first three metasomal tergites, a complete postpectal carina, and three submarginal cells in the fore wing ( Shaw 1983, 1997; van Achterberg 1990; Zettel 1990 ). Virtually all members of the subfamily are solitary egg-larval koinobiont parasitoids of Lepidoptera, where oviposition occurs into a

In: Insect Systematics & Evolution
Author: Louise E.M. Vet

RESPONSE TO KAIROMONES BY SOME ALYSIINE AND EUCOILID PARASITOID SPECIES (HYMENOPTERA) by LOUISE E. M. VET* (Division of Ecology, Department of Population Biology, Zoölogisch Laboratorium, Postbus 9516, 2300 RA Leiden, The Netherlands) SUMMARY Larval parasitoids of frugivorous Drosophila as well

In: Netherlands Journal of Zoology