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OVIPOSITION RESTRAINT OF NASONIA VITRIPENNIS (HYMENOPTERA: PTEROMALIDAE) ON HOSTS PARASITIZED BY OTHER HYMENOPTEROUS SPECIES

Published online by Cambridge University Press:  31 May 2012

H. G. Wylie
H. G. Wylie
Affiliation:
Research Institute, Canada Department of Agriculture, Belleville, Ontario
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Abstract

Females of Nasonia vitripennis (Walk.) (Hymenoptera: Pteromalidae) discriminate between unparasitized housefly pupae (Musca domestica L.) and those parasitized by either Muscidifurax raptor G. & S. or Spalangia cameroni Perk. (Hymenoptera: Pteromalidae) and lay fewer eggs on parasitized hosts. Oviposirion restraint is more pronounced towards hosts attacked by M. raptor than towards those attacked by S. cameroni, but less than that exhibited towards pupae previously parasitized by N. vitripennis. Damage to the fly pupae, from piercing by the female’s ovipositor and probably also from a "venom" injected by the female, is responsible for inter- as well as ultra-specific discrimination and restraint.

Type
Articles
Information
The Canadian Entomologist , Volume 102 , Issue 7 , July 1970 , pp. 886 - 894
Copyright
Copyright © Entomological Society of Canada 1970

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