Goniaspis lucia Mlynarek and Wheeler

Mlynarek, Julia J. & Wheeler, Terry A., 2009, Revision of the Neotropical genus Goniaspis Duda (Diptera: Chloropidae), Zootaxa 2033, pp. 26-40 : 30

Goniaspis lucia Mlynarek and Wheeler , sp. n.

(Figs. 8–9)

Description: Total length 1.7–2.1 mm. Overall color black; frontal triangle yellow, shining, 0.9–1 times length of frons with straight margins; ocellar tubercle black, shining; frons yellow, as long as wide; cephalic setae dark, fronto-orbital setae well-developed; gena yellow, microtomentose, 0.1 times eye height; postgena slender, black and microtomentose; face yellow; scape and pedicel yellow, first flagellomere reniform, yellow, arista black, slender, pubescence twice as long as width of arista at base; palpus, proboscis and clypeus yellow.

Scutum black with humerus and ventral margin of notopleuron yellow, shining, punctate, microtomentose just anterior to scutellum, as long as wide, pronotum brown at insertion with head; scutellum black, 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 mostly shining black; 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, 0.2 times length of tibia. Wing hyaline, ratio of costal sectors C1: C2: C3: C4 – 1: 1.5: 1.6: 0.6; halter white.

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

Male postabdomen (Figs. 8–9): epandrium higher than long in lateral view, wider than high in posterior view, with sparse setae; surstylus short, wide, parallel sided 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 a semi- circular excavation; distiphallus weakly sclerotized.

Type material: Holotype 3: “ ST. LUCIA , W.I.: Barre de / l’isle, rainforest / 28.ii.2000, L. Masner / yellow pan trap by creek”, “ HOLOTYPE / Goniaspis / lucia / Mlynarek & Wheeler” ( LEM). Paratypes: same data as holotype (1Ƥ, LEM); Edmund Forest Reserve, 500m, 1.iii.2000, L. Masner (263, 7Ƥ, LEM); 1.5km W Praslin, 2.iii.2000, yellow pan trap in forest, L. Masner (1Ƥ, LEM); 10.x.1939, R.G. Fennah (13, USNM).

Etymology: The species name is a noun in apposition derived from the name of the type locality.