Dasyphora Robineau-Desvoidy 1830

Dasyphora Robineau-Desvoidy, 1830

Dasyphora Robineau-Desvoidy, 1830: 409. Type species: Musca agilis Meigen sensu Robineau-Desvoidy, 1830 [misidentification, = Musca pratorum Meigen, 1826].

Diagnosis. Colouration purplish-blue, greenish-blue or blackish-blue, usually with silver pruinosity; wing with at most a macula on humeral vein. Female with proclinate fronto-orbital seta; parafrons entirely setulose or only on upper half; interfrontal seta absent. Dorsocentrals 2+4 or 3+4. Postsutural intra-alars 2; intrapostalar present. Prosternum setulose or bare. Katepisternals 1+3. Meron setulose. Wing with basal portion of stemvein setulose or not dorsally; apical portion of stem-vein setulose dorsally and ventrally; R1 setulose dorsally, and setulose also ventrally in Dasyphora s.s.; Rs node and R4+5 setulose dorsally and ventrally; M bent forward towards R4+5. Lower calypter enlarged posteriorly, extending under base of scutellum. Subcostal sclerite setulose ventrally. Mid tibia with a strong submedian seta on ventral to posteroventral surface. Calcar strong. First abdominal sternite widely setulose or with setulae only on lateral margins.

Comments. Dasyphora was recently redefined to include three subgenera: Dasyphora s.s., Eudasyphora and Rypellia; the last two synonymized with and re-instated as subgenera of Dasyphora s.l. by Nihei and de Carvalho (2007a).

Distribution (33 species). Nearctic, Oriental and Palaearctic.

References. See under each subgenus.