Revision of the Neotropical genus Goniaspis Duda (Diptera: Chloropidae) Author Mlynarek, Julia J. Author Wheeler, Terry A. text Zootaxa 2009 2033 26 40 journal article 10.5281/zenodo.186327 0efc3f5f-dc4e-42c9-8823-960a6987d49c 1175-5326 186327 Goniaspis subaequalis ( Malloch, 1913 ) (Figs. 20–21) Hippelates subaequalis Malloch 1913 : 257 ( type locality: Trinidad : Montserrat ). Goniaspis subaequalis : Sabrosky, 1941a : 27 . Goniaspis subequalis : Sabrosky and Paganelli, 1984 : 16 . Description: Total length 1.4–2.0 mm. Overall color yellow; frontal triangle yellow, shining, extending to anterior margin of frons with slightly convex margins; ocellar tubercle brown, shining; frons yellow, 1.2–1.3 times as long as wide; cephalic setae pale, fronto-orbital setae well-developed; gena yellow, microtomentose, 0.1 times eye height; postgena slender, yellow, shining; face yellow; scape and pedicel yellow, first flagellomere reniform, yellow, first and second segments of arista yellow, third segment brown, slender, pubescence 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 insertion with head; scutellum yellow, 1.8 times as wide as long, microtomentose, apical scutellar bristles strong, on small tubercles on dorsal margin of scutellum, lateral scutellar bristles longer than surrounding setae; thoracic pleurites shining yellow. 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, yellow, 0.25 times length of tibia. Wing hyaline, ratio of costal sectors C1: C2: C3: C4 – 1: 1.2: 1.4: 0.6; halter white. Abdomen yellow, sparsely microtomentose, syntergite 1+2 paler than the other tergites, desclerotized; syntergite 1+2 slightly longer than tergites 3 and 4 combined. Male postabdomen (Figs. 20–21): epandrium higher than long in lateral view, as wide as high in posterior view, with sparse setae; surstylus short, wide, parallel sided with broadly rounded apex, surstylus with sparse short setae; cercus broad, rounded, ventral projection large and rounded, cercus with sparse setae and one long posteroventral bristle, cerci separated by semi-circular excavation with indentations; distiphallus weakly sclerotized. Type material: Holotype Ƥ: “June / 29.05”, “ Montserrat / Trinidad WI”, “Aug. Busck / Collector”, “ Type / No. 15967 / U.S. N.M.”, “ Hippelates / subaequalis / Malloch ( Type )”. Paratypes : TRINIDAD : Montserrat , 29.vi.1905 , A. Busck (23, 4Ƥ, USNM ). Other material examined: BELIZE : Toledo District, Blue Creek (16˚12’N 89˚3’W), Malaise trap, 25.i.1982 , A.T. Finnamore (2Ƥ, LEM ); BRAZIL : Rio de Janeiro, Grajau, 30.xi.1963 , 10.vii.1964 , H.S. Lopes (13, 1Ƥ, USNM ); COLOMBIA : Buenaventura, 2.xi.1950 , Michelbacher and Ross (1Ƥ, USNM ); COSTA RICA : Puntarenas, Peninsula Osa, 5km N Puerto Jimenez, 10m , Malaise trap, xi–xii.1990 and vi.1992 , P. Hanson (13, 8Ƥ, LEM ); same except xi–xii.1990 (13, DEBU ); Bataan, 16.vi.1951 , O.L. Cartwright (13, 6Ƥ, USNM ); Limon, 4km NE Bribri, 50m , vii–ix.1990 , P. Hanson (13, LEM ); Turrialba, 600–700m , 12.viii.1975 , N.L.H. Krauss (33, 1Ƥ, USNM ); Cartago, Pejibaye, 24–25.iii.1987 , Malaise trap in old field and agricultural area, W.E. Steiner (23, USNM ); Guanacaste Prov., 14km NE Tiliran, 05.vi.1973 , Erwin and Hevel (13, 1Ƥ, USNM ); Palmar, 21.vii.1959 , C. Stephens (13, USNM ); Limon Prov., Amubri, A.C. Amistad, 70m , 1–19.ii.1994 , G. Gallardo, L S 385500_578000, #2687 (63, 6Ƥ, INBio ); PANAMA : Las Cumbres, 29.xi.1981 , H. Wolda (1Ƥ, USNM ); same data except 12.xi.1981 (1Ƥ, USNM ); Corozal, iii.1912 , A. Busck (13, 3Ƥ, USNM ); Summit Gardens, vii.1967 , F.S. Blanton (1Ƥ, USNM ); Monte Lirio, 28.viii.1923 , R.C. Shannon (13, USNM ); same data except 6.iv.1923 (13, USNM ); Tabernilla, Canal Zone, A. Busck (1Ƥ, USNM ); Summit, xi.1946 , N.L.H. Krauss (13, USNM ); Trinidad Rio, 16.iii.1912 , A. Busck (13, 2Ƥ, USNM ); Flat rock above Juan Mina, 5mi up Chagres R., 24.viii.1918 , H. Morrison (1Ƥ, USNM ); PERU : Colonia Perene, Rio Perene, 18mi NE La Merced, Junin, 3.i.1955 , E.I. Schlinger and E.S. Ross (1Ƥ, USNM ); TRINIDAD : Arena Forest, 2–27.vi.1955 , T. Aitken (1Ƥ, USNM ); VENEZUELA : San Esteban, xii.1939 , P.J. Anduze (13, USNM ); Aragua, Puerto de Cata, 10–11.vi.1976 , A.S. Menke and D. Vincent (1Ƥ, USNM ); Sucre, 7km NW San Vicente , 23.iii.1982 , G.F. and J.F. Hevel (1Ƥ, USNM ). FIGURES. 20–25. Male genitalia. 20–21. Goniaspis subaequalis . 20. lateral. 21. posterior. 22–23. Goniaspis truncata . 22. lateral. 23. posterior. 24–25. Goniaspis versicolor . 24. lateral. 25. posterior. Scale bars = 0.1 mm .