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Asymmetry in Eocrepuscular Diel Periodicities of Insects

Published online by Cambridge University Press:  31 May 2012

Philip S. Corbet
Philip S. Corbet
Affiliation:
Entomology Research Institute, Research Branch, Canada Department of Agriculture, Ottawa, Ontario
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Abstract

In certain insects there exist eocrepuscular diel periodicities of activity in which the sunrise peak occurs at a higher light intensity than does the peak at sunset. This may happen because the indicator-process chosen by the observer to designate the activity is not the first in a behavioural sequence released by light of a critical intensity.

Type
Articles
Information
The Canadian Entomologist , Volume 97 , Issue 8 , August 1965 , pp. 878 - 880
Copyright
Copyright © Entomological Society of Canada 1965

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References

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