Genus Micropeza Meigen, 1803

Micropeza Meigen, 1803: 276 .

Type species: Musca corrigiolata Linnaeus, 1767

Diagnosis. Micropeza in East Asia can be recognized by the following characteristics: Slender, gracile Micropezidae (~ 7mm); head conoid, triangular in lateral view; fronto-orbital bristles absent; katepisternum with long bristles ventrally; wing hyaline without any markings, without crossvein bm-cu; middle and hind tibia with rows of sparsely distributed short, erect dorsal bristles.

Distribution and diversity. This genus is distributed worldwide, and contains 92 known species. There are 20 species currently recognized in the Palearctic region.

Remarks. Larvae of Micropeza corrigiolata (Linnaeus) are known to develop from legume root nodules (Müller, 1957)