370 
C. ir. TYLER TOWNSENJ). 
rows of hairs, and with a somewhat indistinct ol)lique suture exteiul- 
iu(>- from lower border of eye to base of antennre ; cheeks nearly 
one-half the eye-hight, mostly bare ; palpi quite well developed. 
iNIacrochfetre only marginal. Wings without costal spine ; apical 
cell closed in border or narrowly o})en, ending just before tij) of 
wing ; hind cross-vein a little nearer the bend of fourth vein, or some- 
times nearly in middle between the bend and the small cross-vein. 
Type, P. metal Ilea n. sp. 
'Fids genus diffei’s from Phasiopteryx Br. and Bgst. 1)}' tlie wide and 
hairy sides of face ; the very wide cheeks; the shorter third antennal 
joint, which is but little longer than the second; only marginal 
inacroehietDe ; costal margin of wing not produced between second 
and third veins in % ; and apical cell not open. It differs from 
En.mjomma Twns. almost wholly in the absolutely bare eyes. 
iiietalliesi u. sp. . — Sliiuing, metallic dark green. Tho- 
rax and abdomen nearly equal in width, head much wider. Eyes rather large, 
brown, hare, clo.sely ai)proximated in front of ocelli, making the front very nar- 
row on its posterior third or more, from whence it widens abruptly, the face 
being very wide, and, with the front, triangular; front a little prominent before, 
blackish on sides; some very weak frontal bristles directed inward, somewhat 
decussate, weakest posteriorly, not descending below base of antennse; vertical 
and ocellar bristles very short, the forward ocellar pair the stoutest of all the 
bristles on the front and directed strongly forward, those at vertical angles di- 
rected inward ; no orbital bristles; frontal vitta brown, very narrow, almost ob- 
solete posteriorly, wider in front, longitudinally canaliculate ; sides of face wide, 
reddish brown, shading above to blackish, silvery pollinose, clothed with rows 
of hairs ; cheeks very wide, nearly one-half bight of eyes, reddish brown, some- 
times shading to blackish behind, mostly bare, but with a few hairs on upper 
portion, with bristles on lower margin ; facial depression one-third width of face, 
reddish brown ; facial ridges bare above the vibrisste, which are decussate and 
inserted very much above the oral margin at a constriction of the facial ridges ; 
antennte inserted about middle of head, very short, reddish brown, third joint 
darker; first joint very short, second a little elongate and somewhat bristly, 
third about once and a half as long as the second ; arista blackish, sometimes 
partly brownish, thickened only at base, bulbous, indistinctly jointed, micro- 
scopically ]Hibescent; ])roboscis black, partly brownish, not as long as bight of 
head, labella developed ; palpi brown, or nearly black, a])ical two-thirds some- 
what thickened, bristly; occiput black, a fringe of black hairs on orbital mar- 
gins. Thorax, scutcllum and abdomen shining, metallic, greenish black ; thorax 
and scutcllum hairy and bristly, abdomen covered with short black appressed 
bristles; the decussate ap>ical ])air of macrochaitie the longest on the scutellum, 
two lateral macrochsetse on each side ; the abdomen much rounded in outline, 
vaulted, first segment not shortened ; first and second segments without macro- 
chffitee, third segment with about eight or ten marginal, anal segment with six 
or eight marginal. Legs black, femora and tibiffi somewhat bristly; claw's and 
pulvilli elongate. TFiafifs longer than the abdomen, narrowed toward tip, grayish 
