Dichaetomyia Malloch, 1921

Couri, Marcia S., Pont, Adrian C. & Daugeron, Christophe, 2010, The Muscidae (Diptera) of Vanuatu, Zootaxa 2556 (1), pp. 1-39 : 17

Genus Dichaetomyia Malloch

Dichaetomyia Malloch, 1921: 163 . Type-species: Dichaetomyia polita Malloch, 1921 [preocc., = Dichaetomyia emdeni Pont, 1969a ], orig. des.

Diagnosis. Eyes of male narrowly separated by the diameter of anterior ocellus or more; eyes in female widely separated; proclinate orbital and crossed setae on frontal vitta absent; arista long-plumose; dorsocentrals 2+2, 3 or 4, the first presutural seta shorter than the second; prosternum setulose on sides; anepimeron setulose; prealar seta present; postalar wall with sparse hairs or bare; posterior spiracle with some black setulae along lower margin; vein M only slightly curved forwards before apex; hind tibia with a well developed anterodorsal preapical in addition to dorsal one, calcar absent.

Comments. The genus is widespread in the Australasian and Oceanian Regions, with 72 species listed by Pont (1989), two of them recorded from Vanuatu – D. quadrata (Wiedemann) and D. vicaria (Walker) . A third species, found among material in MNHN, is described as new: D. univittata , sp. nov.