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OPISTHOSOMAL MUSCULATURE OF FEMALE ARANEUS DIADEMATUS (ARANEAE: ARGIOPIDAE)

Published online by Cambridge University Press:  31 May 2012

G. L. Robinson  and
U. Paim
G. L. Robinson
Affiliation:
Department of Biology, University of New Brunswick, Fredericton, New Brunswick
U. Paim
Affiliation:
Department of Biology, University of New Brunswick, Fredericton, New Brunswick
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Abstract

The opisthosomal musculature of adult female Araneus diadematus Clerck was investigated by means of dissections. Forty-nine different muscles, each paired, were found in the opisthosoma proper. Of these muscles, 7 pairs move the opisthosoma about the pedicel, 13 pairs compress the opisthosoma, 19 pairs move the spinnerets and colulus with respect to the opisthosoma, 4 pairs dilate the anus, 3 pairs dilate the genital aperture, and 3 pairs open the book-lung spiracles.

Type
Articles
Information
The Canadian Entomologist , Volume 101 , Issue 4 , April 1969 , pp. 337 - 352
Copyright
Copyright © Entomological Society of Canada 1969

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