Muscidaz 
3°7 
jj. Apex of the proboscis without black teeth. 
k. Eyes of male separated by a distance equal to a fourth 
the width of the head. House or typhoid fly. 
M. domestica L. Widely distributed.. Musca L. 
kk. Eyes of the male contiguous. E. corvina. Europe. 
.Eumusca Town 
hh. Last section of R4+5 with a gentle curve (fig. 102). 
i. Eyes pilose. 
j. Claws in the male somewhat elongated; no orbitals in 
either sex; antennas separated at the base by a flat 
carina; abdomen marked with red or yellow. G. 
maculata. Europe and America... .Graphomyia R. D. 
jj. Claws short and equal in the two sexes; two or three 
stout orbital macrochaetae in the female; Rj scarcely 
produced beyond the r-m crossvein; eyes contiguous 
in the male. P. obsoleta. Brazil . . Phasiophana Br. 
ii. Eyes bare; fronto-orbital macrochaetae in a double row, 
antennae contiguous at the base, 
j. One or more pairs of well developed anterior inner dorso- 
central (acrostichal) macrochaetae; seta on extensor 
surface of hind tibia. M. assimilis, stabulans, etc. 
Europe and America.Muscina R. D. 
jj. Anterior inner dorsocentrals and the setae on the ex¬ 
tensor surface of the hind tibia wanting. M. micans, 
etc. Europe and North America. . . .Morellia R. D. 
ff. Squamula thoracalis not broadened mesad and caudad, not 
reaching the margin of the scutellum; macrochaetae on extensor 
surface of the hind tibia wanting, 
g. Eyes pubescent. M. meditabunda. Europe and America. 
. Myiospila Rdi. 
gg. Eyes bare; Ri ends before the middle of the wing. A number 
of species from the tropics of both hemispheres. 
. Clinopera V. d. W. 
bb. Hypopleurae with a vertical row of macrochaetae. 
c. Eyes pubescent. 
d. Rj ends about opposite the r-m crossvein; basal section of R4+5 bristly 
nearly to the crossvein; S. enigmatica. Africa. Somalia Hough 
dd. Ri ends distad of the r-m crossvein. 
e. Eastern hemisphere. Australasia. N. ochracea, dasypthalma. 
. Neocalliphora Br. 
ee. Western Hemisphere. T. muscinum. Mexico. . Tyreomma V. d. W. 
cc. Eyes bare. 
d. The vibrissal angle situated at a noticeable distance above the level of 
the margin of the mouth. 
e. Sternopleural macrochaetae arranged in the order 1:1. 
f. Genae with microchaetae. 
g. Body grayish, with depressed yellow woolly hair among the 
macrochaetae; wings folded longitudinally over the body when 
