What Bug Is That? The guide to Australian insect families.

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Microphoridae

Overview

The Microphoridae are a small family that is considered to be the sister group of the Dolichopodidae (Chvala 1983). The Microphoridae might be superficially confused with the Dolichopodidae, but that family lacks cell dm, has an antennal arista, and usually metallic colouration.

The Microphoridae are a small family that is considered to be the sister group of the Dolichopodidae (Chvala 1983). The Microphoridae might be superficially confused with the Dolichopodidae, but that family lacks cell dm, has an antennal arista, and usually metallic colouration.

Description

Adult microphorids are small flies (2.0-4.0 mm); darkish to light in colour, not metallic green. Head large and male eyes holoptic with enlarged dorsal facets. Antenna inserted near or below middle of head. Postpedicel conical with apical two segmented style. Wing with Rs originating at or near level of crossvein h, cell bm short, at most 0.5 length of cell dm, R4+5 unbranched, and M1 and M2 arising separately from cell dm. Male genitalia rotated forward beneath preceding segments.

Distribution

The Australian fauna comprises two known species, one each in the genera Microphor and Microphorella (Colless 1964).

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