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Development of the thoracic muscle and flight behaviour of Glossina morsitans orientalis Vanderplank

Published online by Cambridge University Press:  10 July 2009

David A. Dame ,
Dale R. Birkenmeyer  and
Einar Bursell
David A. Dame
Affiliation:
Entomology Research Division, Agricultural Research Service, United States Department of Agriculture, Salisbury, Rhodesia
Dale R. Birkenmeyer
Affiliation:
Entomology Research Division, Agricultural Research Service, United States Department of Agriculture, Salisbury, Rhodesia
Einar Bursell
Affiliation:
Department of Biological Sciences, University College of Rhodesia, Salisbury, Rhodesia
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Extract

Laboratory and field studies were made to study the flight behaviour and development of thoracic musculature in male Glossina morsitans orientalis Vanderplank collected as adults near Kariba, Rhodesia, or emerged from puparia collected there. Muscular development, measured as thoracic residual dry weight, was significantly inhibited by confinement in the laboratory and flight activity declined when laboratory-emerged flies were maintained in the laboratory. Survival of laboratory-emerged flies in the field was only 17% that of field-emerged flies. Irreversible behavioural and physiological inhibition in flight and in flight musculature is therefore believed to occur within the first few hours of adult life as a result of confinement; 70–80% of the confined population was affected. These inhibitions can be avoided by using field-emerged adults for field trials.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 59 , Issue 2 , October 1969 , pp. 345 - 350
Copyright
Copyright © Cambridge University Press 1969

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