last largely blackish gray; legs with coxae yel- 
low, femora streaked yellow and gray, tibiae and 
tarsi gray; abdomen largely black but all tergites 
narrowly yellow bordered; squama and fringe yel- 
low; halter yellow; wing length 2 mm in female, 
discal cell small, last section of vein M 3+4 
twice length of penultimate; male genitalia 
unknown . 
Host/Early Stages. Unknown. 
Distribution. New Mexico. 
References. Malloch, 1913a: 292; Frick, 1959: 379 
(as Phytobia ( Cephalomyza ) ) . 
13 (10). Mesonotum matt gray 14 
Mesonotum black 17 
14 (13). 3d antennal segment black 15 
3d antennal segment yellow 16 
15 (14). Discal cell small, last section of vein M 3+4 al- 
most twice length of penultimate 
A. ( Cephalomyza ) scleritica Spencer 
Synopsis. Frons yellow, broad, twice width of eye, 
conspicuously projecting above eye; 1 reclinate 
ors, 3 inclined ori; gena deeply extended at rear, 
0.5 height of eye; 3d antennal segment black, 1st 
and 2d yellowish; palpus and legs black; scutellum 
and pleura grayish, similar to mesonotum; squama 
yellowish gray, margin and fringe black; wing 
length 1.75-2.1 mm; male genitalia with aedeagus 
as in figures 516, 517, having strong, paired 
ventral sclerite. 
Host/Early Stages. Unknown. 
Distribution. Central and northern California. 
Reference. Spencer, 1981: 160. 
Discal cell large, last section of vein M 3+4 lit- 
tle longer than penultimate 
A. ( Cephalomyza ) auriceps (Me lander ) 
Synopsis. Indistinguishable on external characters 
from A. (£. ) scleritica , apart from differing wing 
venation; male genitalia with aedeagus (figs. 518, 
519) without ventral sclerite. 
Host/Early Stages. Unknown. 
Distribution. Colorado, Idaho. 
References. Melander, 1913: 262; Frick, 1957b: 
202; 1959: 379 (as Phytobia (Cephalomyza)); part 
2, p. 274. 
16 (14). Legs entirely black 
A. ( Cephalomyza ) schusteri Spencer 
Synopsis. Frons conspicuously projecting above 
eye, bright yellow; gena, antennae, and palpus 
yellow; 1 ors, 4 inclined ori; gena deeply extend- 
ed at rear, about 0.5 height of slanting, small 
eye; mesonotum and scutellum matt, grayish black; 
pleura black; squama whitish gray, margin and 
fringe dark; halter yellow; male genitalia with 
aedeagus as in figures 520, 521; sperm pump with 
very large base. 
Host /Early Stages. Unknown. 
84 
