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The histology of the alimentary canal and associated structures of Metopolophium dirhodum (Homoptera: Aphididae)Campbell, M. B. S. C. (Mark Bryer St Clair) 12 1900 (has links)
Thesis (MSc)--Stellenbosch University, 1985. / The gross morphology and histology of the alimentary canal and the associated structures are described. The long tubular
alimentary tract is divisible into different regions. The
filter chamber and Malpighian tubules are absent. The peritrophic membrane is also absent. The rectum, or hindgut is
extremely thin, expanded and transparent. The salivary gland
complex consists of two sets of glands: the principal and
accessory glands. The common salivary duct opens at the base
of the maxillary stylets.
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