SuBpFrAMILY RHINIINAE 91 
tles which are strong only basally; hind femur with anterodorsal, 
anteroventral, and posteroventral rows of bristles, the latter row 
strong only basally; hind tibia with an anterodorsal row of 
bristles, two or three of which are stronger than others in the 
series, one anteroventral bristle near apical fourth, and three 
posterodorsal bristles, one near basal third, one near middle, and 
one near apical third; male tarsi slightly flattened ventrally; 
female front tarsi flattened and widened; claws and pulvilli as 
long as preceding tarsal segment. 
Wing without costal spine; remigium posteriorly with long 
cilia above, bare below; third vein with two or three basal 
setulae; fourth vein with apical section or fold, the angle 
rounded and bent obtusely toward apex; apical cell clearly open; 
anterior cross vein beyond middle of second section of fourth 
vein, oblique; posterior cross vein arcuate; last section of fifth 
vein from 0.12 to 0.15 as long as preceding section; seventh vein 
straight; upper squamal lobe bare, small, rounded; lower 
squamal lobe large, ovate, bare. 
Abdomen without discal or median marginal bristles; third 
and fourth segments each with a marginal row of short re- 
cumbent bristles; first and second sternites of male covered by 
margins of tergites; female third and fourth sternites but nar- 
rowly exposed; fifth sternite of male cleft. 
Male genital segments of medium size, first segment rather 
globose; second segment large, rather flattened. 
Larva with ‘‘button’’ in peritreme, posterior spiracles with 
oval apertures, and stigmal field outlined by elongate tubercles. 
Stomorhina lunata (Fabricius) 
Musca lunata Fabricius, Systema Antliatorum, p. 292, 1805. 
(Type, male from Madeira, in Copenhagen). 
Idia fasciata Meigen, Systematische Beschreibung der bekann- 
ten europdischen zweifliigeligen Insekten, vol. 5, p. 9, 1826; 
Brauer and Bergenstamm, Zweifliigler des Kaiserlichen 
Museums zu Wien, vol 7, no. 4, .p. 22, 1894. (Type, France, 
apparently lost). 
Idia lunata (Fabricius). Wiedeman, Aussereuropadische zwei- 
fliigelige Insekten, vol. 2, p. 351, 1830; Loew, Stettin. Ent. 
Ztg. 5 (1) 18-20, 1844; Schiner, Reise der Novara, Diptera, 
p. 309, 1868; Fauna Austriaca, Die Fliegen, vol. 1, p. 579, 
1862; Pandellé, Rev. de Ent. 15:148-149, 1896. 
Idia cinerea Robineau-Desvoidy, Essai sur les Myodaires, vol. 2, 
p. 422, 1830. (Type, Isles de la mer d’Africa, in Paris). 
