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NOTES ON THE BIOLOGIES OF HYMENOPTEROUS PARASITES OF IPS SPP. BARK BEETLES IN VIRGINIA1

Published online by Cambridge University Press:  31 May 2012

C. W. Berisford ,
H. M. Kulman  and
R. L. Pienkowski
C. W. Berisford
Affiliation:
Department of Entomology, Virginia Polytechnic Institute, Blacksburg
H. M. Kulman
Affiliation:
Department of Entomology, Virginia Polytechnic Institute, Blacksburg
R. L. Pienkowski
Affiliation:
Department of Entomology, Virginia Polytechnic Institute, Blacksburg
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Abstract

Biological data are given for Coeloides pissodis (Ashmead), Dendrosoter sulcatus Muesebeck, Heterospilus sp., Spathius pallidus Ashmead, Eurytoma conica Provancher, Cecidostiba polygraphi Ashmead, Heydenia unica Cook and Davis, Roptrocerus xylophagorum (Ratzeburg), Rhopalicus pulchripennis (Crawford), Rhopalicus tutela (Walker), and Tomicobia tibialis Ashmead. Only Coeloides pissodis was always closely associated with its host. The other larval parasites were often found disassociated from any host, suggesting an ability to seek out hosts in Ips galleries and the potential to attack more than one host. Observations indicated that pupal parasitism may be significant. Comment on the potential of some parasites as control agents is included.

Type
Articles
Information
The Canadian Entomologist , Volume 102 , Issue 4 , April 1970 , pp. 484 - 490
Copyright
Copyright © Entomological Society of Canada 1970

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References

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