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A GRAPE LEAFHOPPER, ERYTHRONEURA ZICZAC (HOMOPTERA: CICADELLIDAE), AND ITS MYMARID (HYMENOPTERA) EGG-PARASITE IN THE OKANAGAN VALLEY, BRITISH COLUMBIA

Published online by Cambridge University Press:  31 May 2012

L. M. McKenzie  and
Bryan P. Beirne
L. M. McKenzie
Affiliation:
Pestology Centre, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia
Bryan P. Beirne
Affiliation:
Pestology Centre, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia
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Abstract

The leafhopper Erythroneura ziczac Walsh is the most important insect on grape in the Okanagan Valley, B.C. Hairy-leaved varieties of grape are relatively resistant to attack. The leafhopper has two overlapping generations a year and overwinters in the adult stage. Its chief natural enemy is a mymarid egg-parasite, Anagrus epos Girault, which overwinters in the eggs of other species of leaf-hoppers on wild rose and apple so that intensity of parasitism of E. ziczac can be influenced by proximity of those plants to vineyards.

Type
Articles
Information
The Canadian Entomologist , Volume 104 , Issue 8 , August 1972 , pp. 1229 - 1233
Copyright
Copyright © Entomological Society of Canada 1972

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