Dohrniphora megobscena, Brown & Kung, 2010

Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 30-31

Dohrniphora megobscena sp. n.

( Figs 49–50, 320, 327)

Species recognition. This species is similar to D. bugenitalis , but the pattern of peglike setae on the hind femur is of two parallel lines.

Description. Body length: 1.69–1.78 mm. Head: Frons brown, ocellar triangle darker, second row of setae slightly concave. Flagellomere 1 rounded-oval, light brown. Palpus of normal size, light brown. Thorax: Scutum light brown. Scutellum light brown, with 2 pairs of setae; anterior seta one-half length of posterior seta. Pleuron with anepisternum and proepisternum brown, rest of pleuron light brown. Mean costal length 0.54 wing length, range 0.52–0.55. Halter light brown. Legs yellowish-brown. Forecoxa in lateral view yellowish-brown. Foretibia with 4 dorsal setae. Foretarsomeres 1–4 enlarged, flattened ( Fig. 327). Midcoxa light brown. Hind coxa yellowish-brown. Hind coxal lobe light brown, round, elongate. Posterior face of hind femur with well-spaced, relatively long peglike setae in single ventral row and well-separated, more dorsal single to double row ( Figs 49–50). Abdomen: Abdominal tergite 1 brown, tergites 2–6 with tergites 2–5 light brown anteriorly and medially, brown posterolaterally; tergite 6 mostly light brown, except brown on posterior one-fifth. Venter of abdomen whitish-yellow, bare. Male terminalia brown, cercus yellow, greatly enlarged ( Fig. 320).

Distribution. Central America.

Derivation of specific epithet. From Latin words for large and “private part” (obscenum), referring to the enlarged male genitalia.

Holotype. ♂, PANAMA: Canal Zone : Barro Colorado Island, 9.17°N, 79.83°W, 1–8.ix.1994, J. Pickering, Malaise trap #1695 [ LACM ENT 126823 ] ( LACM).

Paratypes. COSTA RICA: Heredia: La Selva Biological Station , 1♂, 23–26.v.1988, B.V. Brown, Malaise trap, SSO 50, 40m, primary forest ( LACM); Limón: 7 km SW Bribri, 9.58°N, 82.88°W, 1♂, ix–x.1989, P. Hanson, Malaise trap ( LACM) . PANAMA: Canal Zone: Barro Colorado Island , 9.17°N, 79.83°W, 1♂, 20– 27.x.1993, 2♂, 1–8.ix.1994, J. Pickering, Malaise trap #1650, #1695 [ LACM ENT 126823 ] ( LACM, MIUP) .