194 NEW YORK STATE MUSEUM 
side of the segments. The palpi are quadriarticulate and the an- 
terior border of the wing is continued to a point near the fourth 
vein. The terminal clasp segment of the male is short, swollen and 
obtuse apically. Type B. bergrothi 
Kieff. Representatives of this genus are 
not known to occur in America. 
Cordylomyia Felt 
Tor helt EP ON. Ye Ents Socom 
19:35 
This genus is represented by a series 
of species with short antennae and is 
See most easily recognized, especially in the 
Fig. 57 Fourth and fifth ‘¢male, by the subapical, frequently thick 
antennal segments of Cor- Whorls of short, stout, occasionally re- 
dylomyia brevi- curved spines. These organs are less 
cornis, enlarged. (Orig- apparent in the male, though rudiments 
a) of a whorl may be seen in at least one 
species placed in this group. The type of this genus is C. 
cop rophilawelt. 

Key to species 
a 11 subsessile antennal segments; females 
b Subcosta uniting with the margin at the distal third 
c Length 2 mm; abdomen fuscous yellowish, unicolorus; fifth an- 
tennal segment subglobose, short haired..bryanti Felt, C. 706 
ce Length 1 mm; abdomen fuscous yellowish, reddish basally; fifth 
antennal segment pyriform, rather slender, long haired.......... 
Sylvestruls Belt (Cwar620 
ccc Length 1.5 mm; abdomen reddish brown; antennal segments stout 
luna Felt, C. 547 
bb Subcosta uniting with the margin at the basal half 
c Fifth antennal segment cylindric, with a length three-fourths its 
diameter 
d Length 2 mm; eleventh antennal segment about the same length 
as the saratne fourth palpal segment slender.................-- 
brevicornis Felt, C. 725, 756, 882, 880, 1220 
dd Length 2.5 mm; eleventh antennal segment nearly twice the 
length of the tenth, strongly constricted near the middle; 
fourth palpal\ ‘sesment Vswollenm apically... 7...) 4.42 see 
ium diay ne spa Gaanetts 
cc Length 1 mm; fifth antennal segment cylindric, with a length — 
one-fourth greater than its diameter..coprophila Felt, C. 890 | 
ccc Length 2 mm; fifth antennal segment cylindric, with a length 
twice its diameter........ coloradensis ni sp. C. 1386: 138¢ 
aa 12 antennal segments, subsessile; females 


