Dohrniphora dimorpha, Brown & Kung, 2010

Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 76-77

Dohrniphora dimorpha sp. n.

( Figs 163–164)

Species recognition. The shape of the ventral concavity of the hind femur, especially the straight basal margin, is distinctive for this species.

Description. Body length: 2.10–2.19 mm. Head: Frons dark brown, second row of setae slightly concave. Flagellomere 1 rounded-oval, brown, lighter mediobasally. Palpus of normal size, yellow. Thorax: Scutum brown. Scutellum dark brown, with 2 pairs of setae; anterior seta two-thirds length of posterior seta. Pleuron dark brown. Mean costal length 0.48 wing length, range 0.46–0.49. Halter yellow. Legs yellowish-brown. Forecoxa in lateral view yellow. Foretibia with 4 dorsal setae. Foretarsomeres slender, elongate. Midcoxa dark brown. Hind coxa yellowish-brown. Hind coxal lobe light brown, short, truncate. Posterior face of hind femur with transverse, short basal group of peglike setae; setae vary in size, thinner basally, thicker distally; more distally with relatively shallow concavity with straight basal margin ( Figs 163–164). Abdomen: Abdominal tergite 1 brown, tergites 2–6 dark brown. Venter of abdomen gray, with few setae, larger on posterior margin of segment 5. Male terminalia dark brown, except cercus yellow.

Distribution. Known from a single site in Amazonian Brazil.

Derivation of specific epithet. From Latin for “two forms”, referring to the varied shape of the peglike setae.

Holotype. ♂, BRAZIL: Amazonas : Manaus, 3.13°S, 60.02°W, PDBFF Reserve 1210, 10.x.1985, B. Klein, Malaise trap, R.L.E. [ LACM ENT 233935 ] ( INPA).

Paratype. BRAZIL: Amazonas : Manaus, 3.13°S, 60.02°W, PDBFF Reserve 1301, 1♂, 2.x.1985, B. Klein, Malaise trap R.L.S.2 ( LACM) .