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| Sisyromyia thomsoni Evenhuis & Greathead, 1999
in Li & Yeates, 2019.
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We review Sisyromyia White (Bombyliidae, Bombyliinae), a remarkable Australian endemic bee fly genus, which includes 11 species, including six species we describe as new here: Sisyromyia albisquama sp. nov., Sisyromyia angustivitta sp. nov., Sisyromyia elongata sp. nov., Sisyromyia maculipennis sp. nov., Sisyromyia umbra sp. nov., Sisyromyia vittata sp. nov. The genus can be easily distinguished from other Australian genera in the subfamily by having a one-segmented antennal flagellum, subapex of flagellum with some long hairs; a pale median stripe present on the abdomen consisting of dense, decumbent short scales, cell r5 open; cell br nearly as long as cell bm, crossvein m-m located on base of cell dm; crossvein m-m long, nearly as long as crossvein r-m. We also recognized one new synonym, and propose a new combination for Sisyromyia binghi Evenhuis. A key to species of Sisyromyia is provided, and we extensively illustrate their internal and external morphology.
Keywords: Diptera, Australia, Bombyliidae, Acrophthalmydini, new species, new combination
