SUBFAMILY CALLIPHORINAE 289 
nearly a straight transverse row while the fourth is slightly an- 
terior to the two median bristles; propleural bristles one or two; 
preintraalar bristles two, the anterior one weak, the normal 
posterior bristle absent; preacrostichal and predorsocentral 
bristles three, the foremost one of each row weak; presupraalar 
bristles one; posthumeral bristle present; notopleural bristles 
two; sternopleural bristles three; prosternum flat, elongate, wide 
anteriorly but narrowing posteriorly, setose laterally and poste- 
riorly; postalar declivity in center and posteriorly with scattered 
hair; tympanic pit bare; squamal process and preepaulet with 
black setae; postacrostichal bristles and postsupraalar bristles 
three; scutellum with one discal bristle and three or four lateral 
bristles: usually only three of them strong. 
Legs. Bristling of fore femur similar to that of Calliphora 
vomitoria; fore tibia with about six bristles in anterodorsal row, 
and with one posterior bristle near apical three-fifths; middle 
femur with one anterior bristle near middle, sometimes with two 
or three slightly basad of these, and with rows of anteroventral 
and posteroventral bristles, those on former surface longer 
basally, shorter and more closely-set apically; middle tibia with 
two anterodorsal bristles on basal half, with a third weaker 
bristle sometimes at basal sixth, one ventral bristle near apical 
third, three posterior bristles, one at basal fifth, one near basal 
third and one near apical third, sometimes a weaker bristle near 
base, and with one posterodorsal bristle near apical two-thirds; 
hind femur with anterodorsal and anteroventral rows of bristles, 
each row almost double toward base; hind tibia with about five 
anterodorsal bristles, only three long, three anteroventral bristles 
toward middle and apically, and three posterodorsal bristles, one 
near basal third, one near middle, and one near apical third; 
claws elongate in male, shorter in female. 
Wing with minute costal spine; only third vein setulose, and 
here with about three basal setulae; fourth vein with rounded 
angle but bent toward costa at an angle of nearly 90 degrees, the 
apical cross vein bent inwardly; anterior cross vein at middle of 
second section of fourth vein, oblique; posterior cross vein 
doubly arcuate; fifth vein with last section one-sixth as long as 
preceding section. 
Abdomen wide, short, ovate; third and fourth segments each 
with marginal rows of bristles, no median marginal or discal 
bristles on intermediate segments. 
Genital segments large, both segments globose, the second con- 
siderably larger than in other closely related genera. Internal 
anatomical features unique for the family. 
