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Survival, Fecundity, and Population Growth of Melanoplus bilituratus (Wlk.) (Orthoptera: Acrididae) in Relation to Date of Hatching1

Published online by Cambridge University Press:  31 May 2012

R. Pickford
R. Pickford
Affiliation:
Entomology Section, Canada Department of Agriculture Research Station, Saskatoon, Sask.
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Extract

In Western Canada, Melanoplus bilituratus (Wlk.) may hatch from early May to mid-July, depending on seasonal conditions. Little information is available on the relationship of time of hatching to population growth except that grasshoppers emerging too early in the spring may be destroyed by adverse weather that often occurs at this time (Shotwell, 1941). Also, it has beenassumed that grasshoppers hatching late in the summer mature too late to contribute much to general population growth.

Type
Articles
Information
The Canadian Entomologist , Volume 92 , Issue 1 , January 1960 , pp. 1 - 10
Copyright
Copyright © Entomological Society of Canada 1960

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References

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