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EFFECT OF DENSITY ON HOST–PARASITE INTERACTIONS BETWEEN HYPERA POSTICA (COLEOPTERA: CURCULIONIDAE) AND BATHYPLECTES ANURUS (HYMENOPTERA: ICHNEUMONIDAE)1

Published online by Cambridge University Press:  31 May 2012

M. A. Latheef ,
K. V. Yeargan  and
B. C. Pass
M. A. Latheef
Affiliation:
Department of Entomologyz, University of Kentucky, Lexington, Kentucky 40506
K. V. Yeargan
Affiliation:
Department of Entomologyz, University of Kentucky, Lexington, Kentucky 40506
B. C. Pass
Affiliation:
Department of Entomologyz, University of Kentucky, Lexington, Kentucky 40506
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Abstract

The effect of density on host–parasite interactions between Hypera postica (Gyllenhal) and Bathyplectes anurus (Thomson) was studied in a caged system in the laboratory. There was no significant relationship between proportion of hosts parasitized and host density. The frequency distribution of the parasite’s eggs approximated the Poisson distribution in 83% of the cases. There was a quadratic relationship between number of superparasitized hosts and parasite density. However, no significant correlation between proportion superparasitized and host density was detected. The Nicholsonian area of discovery was inversely related to parasite density with a strong mutual interference constant of −.467.

Type
Articles
Information
The Canadian Entomologist , Volume 109 , Issue 8 , August 1977 , pp. 1057 - 1062
Copyright
Copyright © Entomological Society of Canada 1977

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