Goniaspis versicolor Mlynarek and Wheeler

Mlynarek, Julia J. & Wheeler, Terry A., 2009, Revision of the Neotropical genus Goniaspis Duda (Diptera: Chloropidae), Zootaxa 2033, pp. 26-40 : 38-39

Goniaspis versicolor Mlynarek and Wheeler , sp. n.

(Figs. 24–25)

Description: Total length 1.9–2.3 mm. Overall color yellow; frontal triangle black, anteriorly paler, shining, extending to anterior margin of frons with slightly convex margins; ocellar tubercle black, shining; frons yellow, as long as wide; cephalic setae pale, fronto-orbital setae well-developed; gena yellow, microtomentose, 0.1 times eye height; postgena slender, ventrally yellow, black and pollinose; face yellow; scape and pedicel yellow, first flagellomere reniform, yellow, first segment of arista brown, rest of arista black, slender, pubescence twice as long as width of arista at base; palpus, proboscis and clypeus yellow.

Scutum yellow, shining, punctate, microtomentose just anterior to scutellum, as long as wide, pronotum black at dorsal insertion with head; scutellum yellow, 1.4–1.6 times as wide as long, rugose, apical scutellar bristles strong, on small tubercles on dorsal margin of scutellum, lateral scutellar bristles longer and darker than surrounding setae; thoracic pleurites shining yellow, dorsal margin of anepimeron and lateral region of postscutellum microtomentose. Legs yellow; hind tibial spur apical, 0.7 times length of first tarsal segment; femoral organ 2 rows of 3 small tubercles; tibial organ oval, brown, 0.25 times length of tibia. Wing hyaline, ratio of costal sectors C1: C2: C3: C4 – 1: 1.4: 1.7: 0.8; halter white.

Abdomen black, microtomentose, anteromedial portion of syntergite 1+2 pale; syntergite 1+2 slightly shorter than tergites 3 and 4 combined.

Male postabdomen (Figs. 24–25): epandrium higher than long in lateral view, wider than high in posterior view, with sparse setae; surstylus short, wide, sides diverging slightly with broadly rounded apex, surstylus with sparse short setae; cercus broad triangular, ventral projection rounded, cercus with sparse setae and one long posteroventral bristle, cerci separated by semi-circular ventral excavation; distiphallus weakly sclerotized.

Type material: Holotype 3: “ BOLIVIA: LaPaz / Chulumani, env. 1600m / R. Portugal’s Finca / 16°22’S, 67°30’W / 30.iv.1997 s.s. / L. Masner B-07”, “ HOLOTYPE / Goniaspis / versicolor / Mlynarek & Wheeler” ( CNC). Paratypes: same data as holotype (13, 1Ƥ, CNC).

Etymology: From the Latin versicolor (of different colors) referring to the distinctive color pattern of this species.