Document Detail

The development of the endoparasitoid wasp Venturia canescens in superparasitised Ephestia kuehniella.
MedLine Citation:
PMID:  15350504     Owner:  NLM     Status:  MEDLINE    
Using a molecular marker that allows the differentiation of two strains of the solitary endoparasitoid wasp Venturia canescens, the study investigated the influence of host mass and the time interval between ovipositions on the survival and development of larvae from both the first and second laid eggs in superparasitised Ephestia kuehniella. As the time interval between ovipositions increased both overall and superparasitism success decreased, however, time between, and order of, ovipositions had little effect on other developmental parameters. Adult size increased with host mass under both parasitism and superparasitism, while host mortality decreased with host mass under superparasitism. In addition, wasps emerging from superparasitised hosts were larger than wasps from parasitised hosts. The results confirm that for V. canescens on the host E. kuehniella both self- and conspecific-superparasitism will be an adaptive strategy when hosts are the limiting factor.
Harry L S Roberts; Oliver Trüe; Otto Schmidt
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of insect physiology     Volume:  50     ISSN:  0022-1910     ISO Abbreviation:  J. Insect Physiol.     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-09-07     Completed Date:  2004-12-14     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  2985080R     Medline TA:  J Insect Physiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  839-46     Citation Subset:  IM    
Insect Molecular Biology Laboratory, Plant and Pest Science Department, The University of Adelaide, Glen Osmond, SA 5064, Australia.
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MeSH Terms
Adaptation, Physiological*
Body Size / physiology
Host-Parasite Interactions
Larva / growth & development
Linear Models
Moths / parasitology*,  physiology
Oviposition / physiology*
Time Factors
Wasps / growth & development*,  physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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