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The choriothete of Glossina austeni Newst.

Published online by Cambridge University Press:  10 July 2009

S. S. Tobe  and
K. G. Davey
S. S. Tobe
Affiliation:
Institute of Parasitology of McGill University, Box 231, MacDonald College P.O. 800, Province of Quebec, Canada
K. G. Davey
Affiliation:
Institute of Parasitology of McGill University, Box 231, MacDonald College P.O. 800, Province of Quebec, Canada
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Extract

The choriothete of Glossina austeni Newst. was examined in dissections and in histological sections. The choriothete is a highly modified invagination of the anteroventral wall of the uterus forming a tongue-like organ broadly attached to the floor of the uterus. Secretory cells in the choriothete epithelium produce a mucoprotein which finds its way onto the surface of the choriothete through pores in the cuticular intima. The mucoprotein serves as cement to fasten the chorion to the surfaceof the choriothete. Muscles in the choriothete maintain a tension on the ohorion and aid in the removal of the chorion when it is torn by the egg-tooth of the first-instar larva.No evidence was obtained which suggested that the choriothete served a similar function during larval ecdyses.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 61 , Issue 2 , November 1971 , pp. 363 - 368
Copyright
Copyright © Cambridge University Press 1971

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