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DIAPAUSE INDUCTION OF EGGS OF SIMULIUM ARCTICUM MALLOCH (IIS-10.11) (DIPTERA: SIMULIIDAE)

Published online by Cambridge University Press:  31 May 2012

J.L. Shipp
J.L. Shipp
Affiliation:
Agriculture Canada Research Station, Lethbridge, Alberta, Canada T1J 4B1
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Extract

The Simulium arcticum Malloch sibling (IIS-10.11), which breeds in the Athabasca River (Procunier et al. 1984), is a major pest of cattle in central Alberta (Haufe and Croome 1980). Insecticide treatment of the river is the primary control method with the number of applications per season having increased from one to two treatments since 1978. The timing and number of applications per season are determined from information on larval instar and abundance, which is obtained from an extensive larval monitoring program that is conducted annually from late April to mid-September. Prediction of embryonic development and hatching rates of S. arcticum (IIS-10.11) eggs and when eggs enter diapause would provide for more accurate determination of the timing and number of treatments required each season.

Type
Articles
Information
The Canadian Entomologist , Volume 119 , Issue 5 , May 1987 , pp. 497 - 499
Copyright
Copyright © Entomological Society of Canada 1987

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References

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