DIPTERA. 481 
In addition to the four species already enumerated by me (anted, pp. 45-47), one 
other has been diagnosed by me elsewhere. . 
5. Cnephalia ochriceps. 
Cnephalha ochriceps, v. d. Wulp, Tijdschr. voor Ent. xxxv. p. 194". 
Cinereous ; head and anal segment ochreous; frontal band, four thoracic stripes, reflections on the abdomen, 
third antennal joint, and legs black; palpi and basal joints of the antenne rufous. 
Length 11:5 millim. 
Head bright ochraceous ; front much broader than the eyes; frontal band black, narrower than the lateral 
portions and sometimes appearing as a double stripe; frontal bristles in two rows, the inner row descending 
to beneath the second antennal joint; on each side two orbital bristles, which are stouter and directed 
forwards, and on the vertex two pairs of bristles, the hind pair the longest; face perpendicular, without 
white reflection; facial ridges with a row of bristles, extending two-thirds the length of the face; cheeks 
broad, with black hairs; occiput grey; beard whitish. Antenne elongate; basal joints rufous; third 
joint bristly, linear, four times as long as the second, descending as low as the eyes; arista thickened to 
near the end, its second joint (the first being inconspicuous) three times as long as broad. Proboscis 
black ; palpi cylindrical, rufous. Thorax cinereous, with four black stripes, which are less distinct behind 
the transverse suture; pleure grey; scutellum cinereous, slightly rufous towards the hind margin. 
Abdomen ovate, cinereous, with black reflections; anal segment bright ochraceous. Macrochete of the 
abdomen, legs, tegulas, and wings as in C. obesula, the base of the wings, however, without yellowish tint. 
Hab. Mexico!, Santiago Ixcuintla in Jalisco (Schumann), Amula in Guerrero 
(H. H. Smith). 
A single female specimen from each locality. 
MEIGENIA (p. 58). 
Meigenia flaviventris (p. 59). 
To the locality given, add :—MeExico, Venta de Zopilote in Guerrero (4. H. Smith). 
2(a). Meigenia albifacies. 
Meigenia albifacies, v. d. Wulp, Tijdschr. voor Ent. xxxv. p. 194°. 
Blackish ; front borders of the second and third abdominal segments cinereous; head white; frontal band, 
antenna, and legs black; palpi rufous. 
Length 6 millim. 
Head silvery-white ; front narrower than the eyes; frontal band narrower than the lateral portions ; frontal 
| bristles descending as far as the end of the antennal joint ; two orbital bristles, which are directed 
forwards. Eyes very slightly pilose. Antenne shorter than the face; second joint bristly ; third joint 
three times as long as the second. Proboscis black ; palpi pale rufous, distinctly enlarged towards the 
tip. Thorax and scutellum blackish ; the shoulders whitish. Abdomen ovate; first segment black ; 
second and third segments cinereous, with black reflections and black hind-borders, each with two 
marginal macrochete. Hind tibice outwardly with a row of short bristles ; foot-claws and pulvilli short: 
Tegule whitish. Wings greyish-hyaline ; small cross-vein on the middle of tke discal cell; curvature or 
the fourth vein with a blunt angle; apical and posterior cross-veins straight. 
Hab. Mexico}, Venta de Zopilote in Guerrero (H. H. Smith). 
A single female specimen. Allied to MZ. flaviventris, but differing in the more purely 
