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Effects of farnesol on the corpora allata and accessory reproductive glands morphometrics in Cataloipus cymbiferus Krauss (Acrididae: Orthoptera)

Published online by Cambridge University Press:  19 September 2011

Hildegarde S. Qorro  and
James R. Mainoya
Hildegarde S. Qorro
Affiliation:
Department of Zoology, University of Dar es Salaam, P.O. Box 35064, Dar es Salaam, Tanzania
James R. Mainoya
Affiliation:
Department of Zoology, University of Dar es Salaam, P.O. Box 35064, Dar es Salaam, Tanzania
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Abstract

The functional development of the accessory reproductive glands (ARGs) and that of the corpora allata (CA) in the male grasshopper, Cataloipus cymbiferus, appear to be correlated. The growth of the ARGs and that of the CA glands increase with age to a maximum, 20 days after adult emergence. The increase in size of CA cells suggests increased secretory activity. However, the administration of farnesol, a juvenile hormone analogue, does not appear to have any direct effects on the growth of ARGs, although it completely blocked the growth and secretory activity of the CA.

Keywords

Corpora allatafarnesoljuvenile hormone analoguegrasshopperCataloipus cymbiferusaccessory reproductive glandsfunctional developmentsecretory activity
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 4 , Issue 3 , September 1983 , pp. 263 - 266
Copyright
Copyright © ICIPE 1983

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