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Ultrastructure of the spermatheca of the granary weevil, Sitophilus granarius (L.) (Coleoptera: Curculionidae)



Ultrastructure of the spermatheca of the granary weevil, Sitophilus granarius (L.) (Coleoptera: Curculionidae)



International journal of insect morphology and embryology: (2) 141-152



In Sitophilus granarius (L.) the spermatheca is sickle-shaped and is attached to the bursa copulatrix by two nerves and a single spermathecal duct. No muscles are present either on the surface of the spermatheca or the surface of the duct but are found connecting the 2 arms of the spermatheca. The duct is composed of a single layer of epithelial cells, which produce the cuticular lining of the lumen and which appear to perform some osmoregulatory function on the duct contents.

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Accession: 017588287

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DOI: 10.1016/0020-7322(72)90020-7


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