MILTOGRAMMA. 89 
1. Miltogramma trilineata, sp.n., 9. 
Cinereous ; antenne and legs black; frontal band blackish ; thorax anteriorly with three black lines; second 
and third abdominal segments each with three trigonal blackish spots. 
Length 6 millim. 
Head whitish; front narrower than the eyes; frontal band blackish, but sometimes less conspicuous in a 
greyish reflection ; frontal bristles very short, on each side in a single row, not descending beneath the 
root of the antenne; towards the vertex some other bristles are inserted laterally ; a pair of short 
vibrisse at some distance above the oral margin. Antenne reaching to half the face; third joint a little 
longer than the second ; arista thickened in its proximal half. Proboscis black ; palpi rufous, very small, 
nearly rudimentary. Thorax with three obsolete blackish stripes, the median stripe anteriorly divided 
into three more distinct black lines. Abdomen conical ; first segment black; the following two segments 
cinereous, with three blackish trigonal spots on the hind margins; anal segment cinereous, with a 
scarcely visible dorsal stripe, this being the prolongation of the median spot on the preceding segment ; 
anus shining black; a pair of weak macrochete on the hind margin of the first and second segments, 
and a row of similar macrochete: on that of the third segment. Legs with some short and weak bristles. 
Tegule whitish. Wings not longer than the abdomen, greyish ; small cross-vein under the end of the 
first vein and on the middle of the discal cell; curvation of the fourth vein with an acute angle; apical 
cross-vein oblique, concave at the base and for the rest straight ; posterior cross-vein very slightly curved. 
Hab. Mexico, Presidio (forrer). 
A single female specimen. 
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2. Miltogramma fulvicornis, spn, 2.  “~° >  ~ / 
Cinereous ; frontal band black ; thorax anteriorly with black lines ; hind borders of the abdominal segments 
blackish ; antenne reddish. 
Length 8 millim. . 
Greyish-cinereous. Front much narrower than the eyes, yellowish-cinereous ; frontal band black, linear ; 
frontal bristles short, on each side in a single row, not descending beneath the root of the antenne ; face 
and cheeks white; two short vibriss at some distance above the oral margin. Antenne as long as half 
the face; basal joints rufous; second joint with a short bristle; third joint bright yellowish-red, twice 
as long as the second; arista black, thickened in its proximal half. Proboscis black ; palpi rufous, very 
small. Thorax light cinereous, at the sides nearly white, anteriorly with five rather obsolete black lines, 
the median three of which are close together and a little more distinct. Abdomen conical, convex ; first 
segment black ; the following segments light cinereous, with blackish hind borders, which in the middle 
are more or less extended in a dorsal stripe and at the sides into two lateral spots; some short macro- 
cheete are on the hind margins of the segments. Legs black, with some short and weak bristles. 
Tegule white. Wings not longer than the abdomen, nearly hyaline ; small cross-vein on the middle of 
the discal cell ; apical cross-vein oblique and concave ; posterior cross-vein nearly straight. 
Hab. Mexico, Dos Arroyos 1000 feet and Amula 6000 feet, both in Guerrero 
(H. H. Smith). 
A female specimen from each locality. 
3. Miltogramma erythrura, sp.n., . 
Cinereous ; antenne and legs black ; frontal band rufous; thorax with obsolete stripes ; abdomen with blackish 
spots; anal segment rufous, with a whitish front border. 
Length 7°5 millim. 
Greyish-cinereous. Face and sides of the front whitish; front narrower than the eyes; frontal band rufous, 
laterally with a row of short bristles not descending beneath the root of the antenneg ; a pair of vibrissw 
at some distance above the oral margin, the latter bearing some shorter bristles. Third joint of the 
BIOL. CENTR.-AMER., Dipt., Vol. II., March 1890. . n 
