Peratrimera, Hauser & Irwin, 2005

Hauser, Martin & Irwin, Michael E., 2005, A new remarkable Xestomyzinae (Insecta, Diptera, Therevidae) genus from Mexican Amber, Zootaxa 1008 (1008), pp. 39-45 : 40

Peratrimera n. gen. ( Figs. 1, 2)

Diagnosis. The genus is characterized by the long first flagellomere and three flagellomeres ( Fig. 2B); the two notopleural macrosetae on the thorax ( Fig. 1B); the closed wing cell m 3; the setae on R 1 and R 4+5 ( Fig. 2B); the vein C ending at M 2; the absence of a lateral macrosetae on the hind coxa; the short setae on the abdomen, the elongate shape of the abdomen; and the up­curved setae on the 8th abdominal sternite of the female ( Fig. 1B).

Type species. Peratrimera mexicana n. sp., by present designation.

Etymology. Peras (Gr.) = extremity, tri (Gr.) = three, meros (Gr.) = part, division, referring to the three flagellomeres of the antenna.