The histology of the alimentary canal and associated structures of Metopolophium dirhodum (Homoptera: Aphididae)

[摘要] The gross morphology and histology of the alimentary canal and the associated structures are described. The long tubularalimentary tract is divisible into different regions. Thefilter chamber and Malpighian tubules are absent. The peritrophic membrane is also absent. The rectum, or hindgut isextremely thin, expanded and transparent. The salivary glandcomplex consists of two sets of glands: the principal andaccessory glands. The common salivary duct opens at the baseof the maxillary stylets.

[发布机构] Stellenbosch University