WILLISTON: DIPTERA BRASILIANA. 
vi 
brown. Face at its narrowest place more than one-fourth of the 
width of the head, distinctly prominent in profile, the lower portion 
convex and receding; wholly opaque yellowish grey, except a small 
oval, metallic spot in the middle. | Mesonotum greyish; somewhat 
metallic bronze in some reflections, with four, narrow, bronze 
stripes. Scutellum shining black on the flat portion; grayish yel- 
low on the margins. Pleura black, with the usual oblique greyish 
stripe. Abdomen shining metallic, greenish black; in the male at 
least very distinctly pruinose; in the middle anteriorly with brown- 
ish spots. Legs black; all the femora greyish outwardly; all the 
tarsi reddish; front femora moderately thickened; hind metatarsi 
elongated and thickened, more so in the male. Wings nearly hya- 
line. Length 5 mm. 
Two specimens, Rio de Janeiro. 
Parydra humilis, n. sp. 
Female. Front moderately shining, somewhat metallic, nearly 
uniform in color with some brownish dust. Antennz black through- 
Out; arista distinctly pubescent on the basal part. Face gently con- 
vex, nearly vertical on the lower part; rather thickly greyish and 
brownish pollinose; on either side with a moderately strong bristle 
and one or two shorter below it. Cheeks in width equal to more 
than half the diameter of the eyes. Mesonotum and scutellum shin- 
ing, metallic black, with thin brownish dust; the acrostical hairs are 
bristle-like. Abdomen black, only a little shining. Pleuree opaque 
greyish; on the upper part of the mesopleure sub-metallic. Legs 
yellow, the two distal joints of the tarsi black. Wings tinged with 
brownish, with an indistinct cloud on the cross-veins; the second 
section of the costa nearly three times the length of the third; second 
vein not appendiculated; third and fourth veins nearly parallel, or 
very slightly convergent. Length 4 millim. 
Two specimens, Rio de Janeiro (Smith). The male specimen has 
the antenna somewhat reddish, and the abdomen is more shining 
metallic in color. From P?. bicuspidata, Karsch the only other des- 
cribed South American species, the present differs in the straight- 
hess of the third vein. 
Lipocheeta Coquillett. 
He ligniha ot the: families Epbydridea, Drosophilide, Oscinida, 
Agromyzide and Geomyzide are not at all what one might wish 
for classificatory purposes. Becker would exclude the genus Aw 
lacigaster from the Ephydride. Schiner places it among the Dros- 
ophilidae, but does not greatly object to its location with either the 
