Gena narrower, 0.17 height of eye 
” A. parca Spencer, n. sp . 
Synopsis. Closely resembling A. parilis but 3d 
antennal segment entirely black, smaller, round; 
arista distinctly pubescent; 3 differentiated dc; 
squama pale gray, margin and fringe dark; wing 
length 2.5 mm, costa extending strongly to vein 
M 1+2; male genitalia with aedeagus (figs. 424, 
425) having distal tubules pale. 
Host/Early Stages. Unconfirmed but certainly 
Poaceae. 
Distribution. North Carolina, Tennessee. 
Reference. Part 2, p. 265. 
32 (31). Antennal segments partially pale, brownish 
7 A. parilis Spencer, n. sp. 
Synopsis. Frons black, 1.5 times width of eye, 
slightly projecting above eye; 2 ors and 2 
ori; 3d antennal segment slightly longer than 
broad, largely black but paler below; arista bare; 
mesonotum shining black, with 2 strong dc ; squama 
pale gray, margin and fringe brownish black; wing 
length in male 2.4 mm, costa extending strongly to 
vein M 1+2; male genitalia with aedeagus (figs. 
426, 427) having distal tubules strongly pigmented. 
Host/Early Stages. Unconfirmed but certainly 
Poaceae. 
Distribution. Tennessee. 
Reference. Part 2, p. 266. 
Antennae entirely black A. pudica Spencer, n. sp. 
(If costa appearing to end at vein R 4+5, see 
couplet 18.) 
Synopsis. Frons narrow, equal to width of eye, not 
projecting above eye; 2 ors, 3 ori; mesonotum 
shining black, with 3 strong postsutural dc ; wing 
length 2. 2-2.4 mm, costa extending weakly to vein 
M 1+2, last section of M 3+4 shorter than penulti- 
mate; male genitalia with aedeagus as in figures 
428, 429; sperm pump with long narrow stalk and 
small blade. 
Host/Early Stages. Unknown. 
Distribution. Arkansas, Georgia, Minnesota, North 
Carolina. 
Reference. Part 2, p. 267. 
33 (1). Costa ending at or shortly after vein R 4+5 
A. frontella (Rondani) 
Synopsis. Head (fig. 430) with frons reddish, 
sometimes more black at rear, broad, twice width 
of eye, conspicuously projecting above eye in 
profile; gena deeply extended at rear, up to 0.5 
height of eye; 3d antennal segment rounded, 
slightly longer than broad, with conspicuous 
fringe of pubescence in male, pubescent only at 
upper corner in female; mesonotum with 3+1 strong 
dc, blackish, distinctly shining; legs with femora 
black and yellow knees, tibiae and tarsi slightly 
paler, brownish; squama pale gray, fringe ochreous 
68 
