Enlinia clavulifera Robinson 1969

Enlinia clavulifera

MALE.—Length 0.8 mm; wing 0.8 mm by 0.3 mm. Face and front metallic dark bluish, front with blackish pollen; face narrowed below, eyes contiguous in lower half, anterior eye facets enlarged. Palpus and proboscis dark. Antenna dark brown, segment 3 blunt, arista more than twice as long as face.

Mesoscutum metallic dark bluish with slight brownish pollen, pleura more brown; setae dark with pale reflections; 6 or 7 pairs of small acrostichals; 6 or 7 pairs of dorsocentrals, hind pair rather long; scutellum hind margin broadly and evenly rounded, bristles widely separated.

Legs brown, trochanters more yellow; setae mostly dark. Forecoxa with small pale and dark hairs anteriorly; forefemur with short slender erect seta ventrally at base, all femora otherwise without distinctive setae; middle tibia rarely with a small indistinct dorsal seta near middle; hind tibia with 2 or 3 small dorsals. Foretarsus (Figure 154) with segments 1 and 2 somewhat compressed, 3 slightly asymmetric with rather distinct seta dorsally near base, another less distinct seta posteriorly, segments 4 and 5 slender, lengths of segments from base as 7-4-3-3-5; middle tarsus as 7-5-4-3-5; hind tarsus as 8-7-6-5-5.

Wing (Figure 156) elliptical, clear; vein 2 evenly arched, curved only slightly forward at tip, remaining rather close to costa throughout; vein 3 curving slightly and evenly backward, ending just before wing tip; crossvein about half as long as last of vein 5. Knob of halter black.

Abdomen (Figure 155) about as long as thorax, cylindrical, brown with blackish pollen above; sternite 3 with rather long slender erect projection from middle of hind margin. Hypopygium small, partially immersed in tip of preabdomen, brown; lamellae dark, reflexed, each bearing a few long slender curved setae distally; inner appendage placed well forward, minute, broadest in apical half with a short point and a few small marginal setae.

FEMALE.—Similar to male, but face distinct to mouth, lower half about as wide as antennal segment 1; foretarsus plain, lengths of segments from base as 5-2-2-2-3.

TYPE-DATA.—Holotype ♂ and allotype ♀ from Mexico: Chiapas, sierra above Arriaga, at rocky stream margin in small shaded ravine just off road, 21–22 May 1963, H. Robinson (USNM 70315). Paratypes: same data as holotype, 2 ♂; Chiapas, Ixtapan, on wet rocky surface by road, in ravine above river, 23 May 1963, 3 ♂; all collected by H. Robinson.