Goniaspis rubra ( Becker, 1916 )

Mlynarek, Julia J. & Wheeler, Terry A., 2009, Revision of the Neotropical genus Goniaspis Duda (Diptera: Chloropidae), Zootaxa 2033, pp. 26-40 : 33-34

Goniaspis rubra ( Becker, 1916)

( Figs. 1–5 , 16–17 )

Cadrema rubra Becker, 1916: 451 (type locality: Colombia: Sierra San Lorenzo).

Goniaspis rubra: Duda, 1930: 63 .

Description: Total length 1.6–2.0 mm. Overall color yellow; frontal triangle yellow, shining, complete length of frons with slightly convex margins; ocellar tubercle black, shining; frons yellow, 1–1.1 times as long as wide; cephalic setae pale, fronto-orbital setae well-developed; gena yellow, microtomentose, 0.1 times eye height; postgena slender, yellow ventrally, brown dorsally, shining; face yellow; scape and pedicel yellow, first flagellomere reniform, yellow, brown at insertion of arista, arista black, slender, pubescence as long as width of arista at base; palpus, proboscis and clypeus yellow.

Scutum yellow, shining, punctate, microtomentose on notopleuron and just anterior to scutellum, as long as wide, sometimes with brown spot anterior to scutellum between dorsocentral bristles, pronotum black at insertion of head; scutellum yellow, 1.6 times as long as wide, rugose, apical scutellar bristles strong, on very small tubercles on dorsal margin of scutellum, lateral scutellar bristles slightly longer and darker than surrounding setae; thoracic pleurites mostly shining yellow; dorsal margin of anepimeron and lateral region of postscutellum microtomentose. Legs yellow; hind tibial spur slightly subapical, 0.6 times length of first tarsal segment; femoral organ 2 rows of 3 small tubercles; tibial organ oval, yellow, 0.25 times length of tibia. Wing hyaline, ratio of costal sectors C1: C2: C3: C4 – 1: 1.4: 1.5: 0.6; halter white.

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

Male postabdomen ( Figs. 16–17 ): epandrium higher than long in lateral view, slightly 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, rectangular, ventral projection large and rounded, cercus with sparse setae and one long posteroventral bristle, cerci separated by semi-circular ventral excavation; distiphallus weakly sclerotized, blunt-ended.

Type material: Holotype Ƥ: COLOMBIA: Sierra San Lorenzo, Ujhelyi ( HNHM, not examined)

Other material examined: COLOMBIA: La Combre, 17.v.1924, H.S. Parish (1Ƥ, USNM); ECUADOR: Guayaquil, airport, 27.ii.1973, M. and N. Deyrup (1Ƥ, USNM); Guayas, Tenguel, xii.1955, L. Castillo (1Ƥ, USNM); Linje Chimborazo, vii.1955, Levi-Castillo (13, 3Ƥ, USNM); Chimbarozo Bugna, 1400m, L. Castillo (13, 1Ƥ, USNM); Santo Domingo de Los Colorados, 06.ii.1973, M.A. Deyrup (1Ƥ, USNM); Zamora: Zamora, 1500m, 27–31.ii.1965, L.E. Pena (13, CNC); Taguando R. NW Ibarra, 1650–1900m, 9.vi.1965, L. Pena (33, 3Ƥ, CNC); Bolivar, Chota R., Carchi, 2000m, 10.vi.1965, L. Pena (23, 1Ƥ, CNC); SAINT VINCENT: Kingstown, ix.1967, N.L.H. Krauss (13, USNM); Camden Park, 25.iii.1989, A. Freidberg (13, USNM); VENEZUELA: Lago de Valencia, 15.iv.1972, L. Knutson (1Ƥ, USNM).

Figures

FIGURES 1 – 5. Goniaspis rubra. 1. head, lateral. 2. head, dorsal. 3. wing. 4. male femoral organ. 5. hind leg.

FIGURES 16 – 19. Male genitalia. 16 – 17. Goniaspis rubra. 16. lateral. 17. posterior. 18 – 19. Goniaspis scutellaris. 18. lateral. 19. posterior. Scale bars = 0.1 mm.