Sinothereva
''Sinothereva'' is a genus of Stiletto fly, stiletto flies in the family Therevidae. It is monotypic, being represented by the single species ''Sinothereva shangui'', which has been given the common name mountain ghost stiletto fly. It is endemic to north-eastern China, where it has been found at mid-elevations. ''Sinothereva shangui'' was named for the photographer Shan Gui, who posted images of the live fly to iNaturalist that enabled the original author to describe the new species. Unlike other species of stiletto flies that mimic wasps, ''Sinothereva shangui'' resembles nearby species of bumble bees (''Bombus sibiricus'' and ''Bombus hypnorum''). References Therevidae Monotypic Brachycera genera {{Asiloidea-stub ...
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Stiletto Fly
The Therevidae are a family of flies of the superfamily Asiloidea commonly known as stiletto flies. The family contains about 1,600 described species worldwide, most diverse in arid and semiarid regions with sandy soils. The larvae are predators of insect larvae in soil. Description Adult Therevidae are small- to medium-sized with a body length of 2.4 to 18 mm and a hairy integument. The coloration ranges from shades of yellow to black, but commonly the background colour is masked by the tomentum. The compound eyes are generally larger in males, which in many species are actually holoptic. Females have well-developed compound eyes, but are clearly dichoptic. There are three ocelli. The antennae are relatively short. The scape is elongated, the pedicel very short, and the first flagellomere is conical and elongated, the apex bearing a compound stylus with one to three segments. The scape and pedicel are pubescent; In contrast to the related and confusingly similar fam ...
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