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INSTAR FREQUENCY AND DEPTH DISTRIBUTION OF SIMULIUM PENOBSCOTENSIS (DIPTERA: SIMULIIDAE) ON AQUATIC VEGETATION1

Published online by Cambridge University Press:  31 May 2012

J. Granett
J. Granett
Affiliation:
Department of Entomology, University of Maine, Orono 04469
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Abstract

Black fly larvae and pupae were collected on aquatic vegetation from the Penobscot River, Maine in August 1977. Cephalic apotome measurements were made on larvae of Simulium penobscotensis Snoddy and Bauer and indicated the presence of seven instars. Simulium vittatum Zetterstedt, S. fibrinflatum Twinn, and S. penobscotensis were the principal species found. The proportion of S. penobscotensis in the samples increased with water depth to 1 m.

Type
Articles
Information
The Canadian Entomologist , Volume 111 , Issue 2 , February 1979 , pp. 161 - 164
Copyright
Copyright © Entomological Society of Canada 1979

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References

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