SUBFAMILY CHRYSOMYINAE 117 
and one posterodorsal bristle near apical third; hind femur with 
dorsal and posterodorsal rows of bristles which are long basally 
and apically, about three ventral bristles basally, and with long 
seattered hairs which are not in rows posterodorsally; hind tibia 
with one dorsal bristle near apex, usually four anterodorsal 
bristles, one near basal fourth, two near middle, and one near 
apical fourth, two anteroventral bristles, one near middle and 
one near apical third, and one posterodorsal bristle near apical 
third; claws and pulvilli not as long as last tarsal segment. 
Wing with subcostal sclerite setose; only third vein setulose; 
fourth vein without apical section or fold, the angle rounded and 
bent obtusely toward apex; apical cell open and ending before 
apex by a narrow margin; anterior cross vein slightly before 
middle of second section of fourth vein, oblique; posterior cross 
vein double arcuate; last section of fifth vein one-fifth as long 
as preceding section; seventh vein long, curved; upper squamal 
lobe small, bare, rounded; lower squamal lobe large, bare, ovate. 
Abdomen with tergites overlapping sternites in male, ventral 
membrane narrowly exposed in female; third and fourth seg- 
ments each with a marginal row of weak and recumbent bristles. 
Male genital segments small, almost hidden; first segment 
' slightly larger than second and with several weak but erect 
bristles on posterior margin. 
Chloroprocta fuscanipennis (Macquart), new combination 
Lucilia fuscanipennis Macquart, Diptéres exotiques, sup. 4, no. 2, 
p. 223, 1851. (Type, male from Bahia, Brazil, in Paris.) 
Chloroprocta semiviridis Van der Wulp, Biologia Centrali- 
Americana, Insecta, Diptera, vol. 2, p. 296, 1896; Aldrich, 
U.S. Natl. Mus. Proe. 62(11) :7, 1922; Shannon, Wash. Ent. 
Soe. Proc. 28(6) :126, 1926; Townsend, Rev. de Ent. 1:71, 
1931; Manual of Myiology, vol. 2, p. 163, 1935; ibid., vol. 5, 
p. 128, 1987; Cushing and Hall, Wash. Ent. Soc. Proce. 
39(7) :197, 1937; Knipling, Ent. Soe. Amer. Ann. 32(2) :366, 
1939. (Type, male from northern Yucatan, Mexico, in the 
British Museum.) New synonymy. 
Male. Head width 14.7; length at antenna 6.7 and at vibrissa 
6.9; length at oral margin 7.0; eye height 11.0; head height 12.9; 
bucea 0.13 eye height, orange in ground color, heavily golden 
pollinose, with scattered medium-length dark hair on upper and 
anterior three-fourths, with golden hair below and posteriorly; 
frontale anteriorly one-half frontal width, orange red, striate; 
front but a thin line for nearly 3.0 below ocelli, but widening to 
