MEXICAN MUSCIDAE. 193 
preceding species, but differing by the absence of the white reflec- 
tions on the anal segment and by the macrochaetae of the abdomen , 
which are more numerous and also present on the disc of the 
third segment. — Length 11 mm. 
Micropalpus angustifrons n. sp. 3. — Head yellowish; 
front narrow, half as broad as the eyes; frontal band black; basal 
joints of the antennae black, the third joint dark rufous, double 
as long as the second; thorax and scutellum black, the thorax 
antericrly whitish with four black stripes; abdomen piceous with 
white reflecting spots; legs black; wings nearly hyaline. — 
Length 7 mm. 
Trichophora fucata n. sp. — Shining black; head whitish ; 
basal joints of the antennae rufous; two (seldom three) bristles on 
the cheeks; abdomen ovate, the anal segment piceous, laterally 
with whitish reflections; second and third segments only with mar- 
ginal macrochaetae; legs black; tegulae whitish; wings grey, brow- 
nish towards the costa. — Length 9 mm. 
Trichophora convexinervis n. sp. 4%. — Shining black; 
head greyish; antennae wholly black; cheeks mostly with a single 
bristle; abdomen ovate, the anal segment dark rufous; second and 
third segments with marginal macrochaetae; legs black, tegulae 
and wings brownish; posterior cross-vein distinctly curved outwards. 
— Length 7 mm. 
Gymnomma discors n. sp. d 2. — Head ochraceous; frontal 
band dark rufous; basal joints of the antennae rufous, third joint 
black, ovate, a little longer than the second; thorax cinereous; 
scutellum, abdomen and legs rufous, the abdomen convex, with 
some indication of blackish dorsal spots; third segment with discal 
aud marginal macrochaetae; tegulae and base of the wings rufous. — 
Length 8 mm. 
Tijdschr. v. Entom. XXXV. 13 
