Protomedetera, Tang, Chufei, Grootaert, Patrick & Yang, Ding, 2018

Tang, Chufei, Grootaert, Patrick & Yang, Ding, 2018, Protomedetera, a new genus from the Oriental and Australasian realms (Diptera, Dolichopodidae, Medeterinae), ZooKeys 743, pp. 137-151 : 137

Protomedetera gen. n.

Type species.

Protomedetera singaporensis Grootaert & Tang, sp. n.

Etymology.

The name Protomedetera gen. n. is proposed since this genus looks like a small and simplified Medetera .

Diagnosis.

Body small and stout, body length less than or equal to 2.0 mm. Eye without soft hair between each facet. Two oc, two vt. Scape short and small, almost invisible in lateral view. Pedicel cup-like, large, with first flagellomere sunken in it; usually with long apical bristles over first flagellomere. First flagellomere rounded, wider than long or nearly as long as wide, with short pubescence. Arista nearly bare or shortly pubescent, basal portion of arista very short. Ocellar tubercle distinct but not strongly raised. Upper postcranium deeply concave. Proboscis not strongly sclerotized.

Thorax raised dorsally at shoulder. Mesonotum flat before scutellum. Two h, one ph, one su, two npl, two sa, one pt, five to six dc, biseriate acr. Anterior portion sometimes densely covered by short bristles. Legs only with few bristles, wholly yellow or mainly yellow including tarsomeres. Hind coxa with one weak outer bristle. Hind tibia without any ad/pd/av/pv. Hind tarsomere I short and flat. Wing nearly hyaline, tinged light yellow; veins light brown, R4+5 and M parallel. CuAx ratio no more than 0.25. Squama pale with long pale hairs. Halter pale.

Hypopygium: Epandrium distinctly longer than wide, nearly triangular. Epandrial lobe indistinct or small. Surstylus simple. Cercus half hidden in epandrium, with marginal bristles, covered by short peg-like bristles. Phallus usually hidden in hypandrium, sometimes modified apically.

Key to males of Protomedetera gen. n.