Dasyrhamphis umbrinus is a species of horse fly, a fly in the family Tabanidae, native to Europe and near East Asia.
Distribution This species is present in Europe (Albania, Bosnia and Herzegovina, Bulgaria, Croatia, European Turkey, Greece, Italy, Republic of North Macedonia, Slovenia, Yugoslavia and Romania) and in the Near East.Fauna Europaea
Description Dasyrhamphis umbrinus can reach a body length of about . These 'horse flies' are mostly blackish, with clear showing a distinct dark brown spot close to the middle of the anterior margin and near the base of discal cell. Eyes shows a microscopical pubescence. Frontal calli are well-developed. The 3rd antennal segment is slender and less developed. Stjepan Krčmarl, Davorka Hackenberger, Branimir K. Hackenberger Key to the horse flies fauna of Croatia (Diptera, Tabanidae) Periodicum Biologorum 113:5-33
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