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ACCELERATION FIELD OF INDIVIDUAL MIDGES, ANARETE PRITCHARDI (DIPTERA: CECIDOMYIIDAE), WITHIN A SWARM1

Published online by Cambridge University Press:  31 May 2012

Akira Okubo ,
H. C. Chiang  and
C. C. Ebbesmeyer
Akira Okubo
Affiliation:
Marine Sciences Research Center, State University of New York, Stony Brook
H. C. Chiang
Affiliation:
Department of Entomology, Fisheries & Wildlife, University of Minnesota, St. Paul
C. C. Ebbesmeyer
Affiliation:
Evans-Hamilton, Inc., Seattle, Washington
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Abstract

We analyzed a roll of 16 mm motion-picture film of the swarming of a cecidomyiid midge, Anarete pritchardi Kim, to calculate the acceleration of individual insects. We find that the midge moves with high accelerations, occasionally twice the acceleration of gravity, and that the midge is also subject to an inward force predominantly at the swarm edge. Energetics of midge flight is also considered by using accelerations and related data.

Type
Articles
Information
The Canadian Entomologist , Volume 109 , Issue 1 , January 1977 , pp. 149 - 156
Copyright
Copyright © Entomological Society of Canada 1977

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