170 DIPTERA. 
36. Anus shining black. . . 2 2. 1 ee ee ee + + Carinata, v.d. Wulp. | gu 
Anus red or with a reddish margin. . . . + + + + + + vicina,v.d. Wulp. ) §4 
37. Wings with a short costal spine; posterior cross-vein in the 
middle between the small cross-vein and the curvation of the . 
fourth vein . . Coe ee ee ee ee ee refuga, v. a. Wulp. / %4 
Wings without a costal spine; posterior cross-vein nearer to a 
the curvation of the fourth vein . . . . . . + + + pacata,v.d. Wulp. BS 
1. Telothyria nubecula, sp. n., 2. 
Blackish; thorax with white reflections; abdomen brownish-testaceous; antenne, palpi, and legs rufous 
wings with a diffuse brownish spot at the end of the costa. 
Length 5°5 millim. 
Head whitish-grey ; front much narrower than the eyes; frontal band brown, with grey reflection ; frontal 
bristles rather stout, not descending beneath the root of the antennw ; vibrisse stout, at some distance 
above the oral margin. Antenne rufous; third joint three times as long as the second, its front margin 
and tip brownish; arista slightly thickened and rufous at the base. Palpi and terminal lips of the 
proboscis rufous, the palpi filiform. Thorax black, the shoulders, pleure, and hind margin with a white 
or greyish-white reflection ; transverse suture and two longitudinal stripes before it white; scutellum 
blackish. Abdomen ovate, truncated at the tip, testaceous, blackish-brown on the dorsal'side, with some 
grey reflections and narrow white front borders to the second and following segments; discal and marginal 
macrochete present; ventral surface wholly testaceous. Legs rufous, with black tarsi; hind tibie out- 
wardly with two, posteriorly with three, rather long bristles. Tegule and wings greyish, at the end of the 
costa dilute brown; third vein slightly curved before its end; curvature of the fourth vein nearly 
rectangular ; small cross-vein on the middle of the discal cell; apical and posterior cross-veins distinctly 
curved. 
Hab. Muxico, Teapa in Tabasco (H. H. Smith). 
A single female specimen. 
2. Telothyria adscripta, sp. n., 2. 
Cinereous; abdomen yellowish, with blackish dorsal spots and blackish hind borders to the segments; antenna, 
palpi, and legs (the latter for the greater part) rufous. 
Length 5:5 millim. 
Front narrowed behind, and there half as broad as the eyes; frontal band blackish-brown, broader than the 
lateral portions ; frontal bristles short, descending as far as the end of the second antennal joint; cheeks 
with a rufous reflection. Eyes with a rather large reticulation. Antenne rufous; second joint with 
black bristles; third joint three times as long as the second; arista microscopically pubescent, thickened 
and rufous at the base. Proboscis blackish-brown ; palpi elongate, pale rufous, slightly thickened towards 
the tip. Thorax cinereous, with four blackish stripes, which sometimes are inconspicuous and interrupted 
at the transverse suture; scutellum yellowish-cinereous, Abdomen ovate, pointed towards the anus; the 
first and second segments yellow, the two other segments yellowish-cinereous; all the segments, except 
the anal, have blackish-brown hind margins; a dorsal stripe on the first segment and dorsal spots on the 
second and third segments are of the same colour; macrochete are scarcely visible among the rather long, 
black pile, which covers the whole surface of the abdomen. Legs rufous; base of the femora blackish- 
brown ; hind tibie brownish ; all the tarsi black; posterior tibie with some long bristles. Tegule 
yellowish-white. Wings greyish-hyaline; small cross-vein on the middle of the discal cell; curvature 
of the fourth vein somewhat rounded; apical and posterior cross-veins curved. 
Hab. Mexico, Atoyac in Vera Cruz (H. H. Smith). 
A single female specimen. 
