Eumydas corupas

J. Wilcox & N. Papavero, 1971, The American Genera of Mydidae (Diptera), with the Description of three new Genera and two new Species, Arquivos de Zoologia 21 (2), pp. 41-119 : 85-86

Eumydas corupas , sp. n,

Male - Length: 21 mm.

Head black; face, gibbosity except sides below and frons except ocellar area densely golden pollinose; occiput grayish pollinose. Hairs golden; long dense recumbent in mystax and a dense clump to the sides­ and above antennae. Proboscis black. Face at lower eye margin 15, at antennae 29, at vertex 26, and on eye 22, in width. Antennae black, apical half of club dark reddish; hairs below on segment 1 golden,. otherwise black; segments 14-5-58-62 (20) in length (width).

Mesonotum black (greasy), right lateral margin densely yellowish pollinose. Hairs short black, sparse, dorsocentral rows yellowish ante- ­ riorly. Scutellum black, a few golden hairs laterally. Postscutellum black, densely grayish pollinose (partly greasy). Pleura and coxae black, densely grayish pollinose (partly greasy); hairs on fore and middle coxae and at apices of hind coxae short black; on hind coxae and pleura long sparse golden.

Abdominal tergite-1a black, gray pollinose; 1p (dorsum apparently gra-y pollinose), basal third of 2 and broad sides of 2-7, black; remainder yellowish red with the posterior margins of 2-7 yellowish; bullae black, 18 long, 5 wide. Hairs on tergite 1-p fairly long sparse golden, on re-­ mainder very sparse, short, recumbent, black. Sternite 1 brownish black, remainder yellowish red with yellowish posterior margins; hairs on 2-7 sparse, short, recumbent, black; 8 with long dense golden hairs. Genitalia yellowish red, apical processes of gonopods (baslstyli) blackish apically; epandria narrow, V-shaped with quite dense, short, black hairs; remainder mostly golden haired.

Fore and middle legs black; hairs short, black, golden below tarsi. Hind femora reddish-brown; the base, apex and dorsum blackish; moderately swollen, length 110, greatest width 18; hairs short, black, a few long golden hairs on posterior ventral surface; ventral spines reddish. Hind tibiae reddish brown; hairs short, black; apical spur straight, acute, 9 in length, with black bristles at base. Tarsi black, hairs short, dense, black, golden below; segments 33 (11), 20, 13, 10, 23, in length (width). Claws reddish, tips black; pulvilli pale brown.

Halteres black. Alulae black, margin and fringe yellowish-white. Wings very light brown; veins brown, reddish anteriorly; second submarginal cell broadly open.

Female - Length: 28 mm.

Antennae black, segments 16-8-63-72 (20) in length (width) (Fig. 15). Humeri, broad sides of mesonotum and dorsocentral stripes densely yellowish pollinose; dorsocentral stripes taper apically and end at four-fifths length of mesonotum. Abdomen black; broad dorsum of 2, about dorsal half of 3 and a small spot on 4, dark red and not conspicuous; posterior margins reddish and indistinct on 5-8; tergite 1 and basal fifth of 2 gray pollinose, sides of 1-p and 2 bare; bullae black, 20 long, 8 wide; hairs yellowish, on 1-p short and recumbent with a few longer erect hairs on sides; very short and sparse on 2-7, many short and erect hairs on 8-9; sternites black, posterior margins reddish, 1 bare, otherwise as tergites; terminalia with circlet of strong reddish spines (all but two broken off). Hind femora. 140 long, 20 wide; spur on hind tibiae 9 long; tarsi 43 (12), 23, 17, 11, 27, in length (width).

Holotype 0', Corupa, Santa Catarina, Brazil, III. 1956 (A. Mahler), and paratype ~, same data, 11.1952, in MZUSP.