66 
Genus RACODINEURA Rond. 
Roeselia Desvoidy, Essai Bur lee Myodaires, p. lir>; 1830. (Xon Hnebner, L816.) 
Racodineura Rondani, DipterologiaB Italiea- Prodromns, Vol. IV, p. 31; 18(11. 
The latter term was proposed by Ron dan i to take the place of Roes- 
elia, which had previously been used in the Lepidoptera. Our single; 
species is black, the antennas, lower part of face, palpi, femora, and 
tibia' yellow: front of female slightly over twice as wide as either eye, 
two pairs of orbital bristles, frontal bristles descending to tip of sec- 
ond antennal joint; sides of face at narrowest point each almost one- 
half as wide as the median depression, thinly bristly one-fifth of 
distance from lowest frontal to the vibrissa*, the latter on a level with 
front edge of oral margin; ridges bristly on the lower half, but the 
uppermost bristles very short ; cheeks slightly over one-half as broad 
as the eye height : antenna* almost as long as the face, the third joint 
five times as long as the second, arista thickened to the middle, the 
penultimate joint broader than long; thorax gray pollinose, marked 
with four black vitta\ four postsutural and three stcniopleural mac 
iochat;i' ; sciitelluni bearing four long marginal pairs; abdomen opaque 
gray pollinose, first tine*' segments bearing marginal macrocha'ta', mid- 
dle tibia' each bearing three or more on the front side near the middle; 
wings hyaline, the base grayish, third vein bearing a single bristle 
near the base, hind crossvein nearly straight, midway between the 
small and the bend of the fourth: calypteres white; length, 9 mm. 
Tifton, Ga. A female specimen collected October L,1896,by Mr. G-.R. 
Pilate. Type No. 3545, I . S. National .Museum americama u. sp. 
Genus ERVIA Desv. 
Ervia Desvoidy, Kss;ii siir lea Myodaires. p. 225; L830. 
Our single species is black, the face and more or less of the antenme, 
femora, and tibia-, also the greater portion of the sides of the first three 
segments of the abdomen in the male, yellow; three postsutural and 
three sternopleural macrocha'ta'; length, 7 to 10 mm. Agricultural 
College, Miss., and Lul'kin, Tex. (Encyclopedic Methodique, Vol. 
VIII, p. 423 ; 1811 : Ocyptera.) triquetra Oliv. 
Genus LESKIA Desv. 
Leskia Desvoidy, Essai sur les Myodaires, p. 100; 1830. 
MyoJria Desvoidy, loe. cit., p. !»8. (Non Beyden: 1826.) 
Solieria Desvoidy. Annates Soc. Ent. France, [». 461; 1818. 
Orillia Desvoidy, loc. cit., p. 474. 
Awthoica Koudani, Dipterologiae Italics Prodromus, Vol. IV, p. 8; 1861. 
I'l/rrosia Roudani, loc cit., p. 48. 
Rondani proposed the name Anthoica for Myobia, which is preoccu- 
pied in the Arachnida, and erected the genus Pyrrosia to include Les- 
kia, Solieria, and Orillia. Brauer and Hergenstanirn place Leskia and 
