TELOTHYRIA. 177 
the anal segment as long and stout as those on the other segments; the wings more purely hyaline; and 
the posterior cross-vein more oblique and distinctly curved. 
Hab. Mexico, Acapulco in Guerrero (H. H. Smith). 
A single male specimen. 
17. Telothyria comata, sp. n.,¢. 
Black, pilose ; thorax anteriorly greyish, with black stripes ; abdominal segments with whitish front borders ; 
posterior cross-vein nearly straight. 
Length 5:25 millim. 
Front slightly prominent, narrower than the eyes, almost wholly occupied by the black frontal band, the 
lateral portions white; frontal bristles numerous, descending as far as the end of the second antennal 
joint; face and cheeks black, with whitish reflections, the face somewhat inclined; eyes descending to 
the vibrisse ; beard white. Antennz black, much shorter than the face; second joint with some rather 
long bristly hairs; third joint three times as long as the second ; arista thickened in less than its proximal 
half. Proboscis and palpi blackish-brown. Thorax and scutellum black; thoracic dorsum anteriorly 
greyish-white, with the commencement of four black stripes. Abdomen conical, black, with not very 
distinct, narrow, whitish front borders to the second and following segments, and with many long discal 
and marginal macrochete. Legs black; middle and hind tibiee with some long bristles ; foot-claws and 
pulvilli elongate, the pulvilli yellowish, somewhat obscure. Tegule whitish. Wings greyish-hyaline ; 
small cross-vein on the middle of the discal cell ; apical and posterior cross-veins straight or nearly so, the 
posterior slightly incurved near its insertion in the fifth vein and united with the fourth vein a little 
beyond the middle between the small cross-vein and the curvature of the fourth vein. 
_ Hab. Mexico, Omilteme in Guerrero 8000 feet (H. H. Smith). 
A single male specimen. 
18. Telothyria curva, sp. n., o. 
Cinereous ; frontal band, four thoracic stripes, hind borders of the abdominal segments, antenne, and legs 
black ; palpi rufous; posterior cross-vein curved. 
Length 5 millim. 
Head white; front nearly as broad as the eyes; frontal band broad ; frontal bristles descending as far as the 
end of the second antennal joint ; cheeks broad; eyes descending as far as the tip of the antenne. Third 
joint of the antenne three times as long as the second ; arista thickened in its proximal half. Proboscis 
black; palpi pale rufous. Thorax and scutellum cinereous; the black thoracic stripes not sharply 
delineated ; base of the scutellum blackish. Abdomen conical; first segment black ; the following seg- 
ments cinereous, with broad, shining black hind borders ; the segments have long marginal and shorter 
discal macrochete. Middle tibie with some long bristles; hind tibie outwardly with several long 
bristles; foot-claws and pulvilli a little elongate, the pulvilli yellowish. Tegule whitish. Wings hyaline, 
with scarcely any brownish-grey tint ; small cross-vein on the middle of the discal cell; apical cross-vein 
straight ; posterior cross-vein distinctly curved inwards, inserted in the middle between the small cross- 
vein and the curvature of the fourth vein. 
Hab. Mexico, Savana grande in Guerrero 3000 feet (H. H. Smith). 
A single male specimen. 
19. Telothyria lugens, sp. n.,¢ ¢. 
Black; head and front borders of the abdominal segments white; thorax whitish-grey, without distinct 
stripes ; palpi rufous. 
Length 5 millim. 
BIOL. CENTR.-AMER., Dipt., Vol. II., August 1890. Qa 
