€. (D. ) poolei Spencer, n. sp. 
Synopsis. Frons strongly projecting above eye in 
profile (fig. 603); 2 ors, 3 ori; 3d antennal 
segment enlarged in male, only finely pubescent, 
distinctly elongate in female; gena broad, 0.25 
height of eye; mesonotum predominantly matt 
black; legs largely black, only foreknee yellow- 
ish; wing length 3. 2-3.4 mm; male genitalia with 
aedeagus (fig. 604) having conspicuous curvature, 
distal tubules not diverging. 
Host/Early Stages. Unknown. 
Distribution. Colorado. 
Reference. Part 2, p. 284. 
Frons twice width of eye 10 
10 (9). Arista conspicuously thickened basally (fig. 605) — 
£. (D. ) aristosa Spencer, n. sp. 
Synopsis. Frons twice width of eye, scarcely pro- 
jecting above eye; gena broad, almost 0.25 height 
of eye; 3d antennal segment enlarged in male, 
round, with fine pubescence, arista distinctly en- 
larged in lower 3d; legs largely black, only fore- 
knee narrowly yellow; mesonotum matt grayish black, 
pleura entirely black; wing length 2.5 mm in male, 
last section of vein M 3+4 about 0.67 length of 
penultimate; male genitalia with aedeagus (fig. 
606) having distal tubules with large upper curve, 
ventrally directed at end; epandrium with patch of 
bristles at hindcorner, anal projection prominent 
(fig. 607). 
Host/Early Stages. Unknown. 
Distribution. North Carolina. 
Reference. Part 2, p. 282. 
Arista slightly widening uniformly toward base 
(fig. 608) 11 
11 (10). Last section of vein M 3+4 1.5 times penultimate 12 
— Last and penultimate sections of M 3+4 approx. 
equal 13 
12 (11). Orbit grayish black C. (D. ) paludosa Spencer 
Synopsis. Head (fig. 608) with frons twice width 
of eye, only narrowly projecting above eye at base 
of antennae; 2 ors, 2 ori, orbit broad, grayish 
black; gena 0.17 height of eye; 3d antennal seg- 
ment enlarged in male, only slightly pubescent; 
legs black, with only foreknee yellowish; abdomen 
entirely black; squama and fringe yellow; wing 
length 2.5-3 mm; male genitalia with aedeagus 
(fig. 609) having distal tubulars with large upper 
curve, turning ventrally at end. 
Host/Early Stages. Unknown. 
Distribution. California. 
Reference. Spencer, 1981: 199. 
Orbit yellowish C. (D. ) fasciata (Strobl) 
Synopsis. Frons brownish yellow, orbit and lunule 
yellowish; 3d antennal segment enlarged in male, 
with distinct pubescence; mesonotum matt gray, 3+1 
dc, prsc weak; pleura dark, upper margin of meso- 
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