103 (102) 
104 (102). 
105 (104). 
106 (105). 
. Frons blackish on lower half, more ochreous yel- 
low above; 2d costal section short, little 
longer than 4th P. me lane 11a Frost 
Synopsis. Frons generally dark, paler above, 2 
ors, 2 ori; 3d antennal segment small, round, 
black; gena yellowish, parafacial darker; meso- 
notum matt gray; side of thorax dark but rear 
or humerus, notopleuron, and upper margin of 
mesopleuron faintly yellowish brown; legs 
black, knees faintly yellowish; wing length 
2 mm; male genitalia with aedeagus (fig. 1278) 
having distinctive artangement of spicules be- 
side basal sclerites; sperm pump minute. 
Host/Early Stages. Unknown. 
Distribution. California. 
References. Frick, 1959: 431; Spencer, 1981: 
400. 
Note. Frick restricted this species to type 
specimens from Los Angeles, considering that 
male from Kentucky included as paratype repre- 
sented a different species. This is so, as 
frons in this male is yellow, but positive 
identification has not been possible. 
Frons variable, generally orange brown, orbit 
paler, more yellow or gray 
7 Chroma tomyi a poae Griffiths 
Synopsis. Frons broad, about twice width of 
eye, not projecting above eye, 2 equal ors, 1 
ori; gena about 0.33 height of eye, brownish; 
3d antennal segment small, round, black, only 
1st at most slightly paler; mesonotum grayish 
black matt, acr sparse, in 2 rows; side of 
thorax dark; legs black but all knees narrowly 
yellowish; squama pale grayish, margin and 
fringe black; wing length 2.1— 2.6 mm in male to 
2. 2-2. 7 mm in female, 2d costal section normal- 
ly about twice length of 4th; male genitalia 
with aedeagus (fig. 1279) having supporting 
sclerites slender, ejaculatory duct at end par- 
allel to supporting sclerites, curving ventral- 
ly; sperm pump with large, asymmetrical blade 
(fig. 1280). 
Host/Early Stages. Poa alpina in Alberta. Larva 
forming narrow linear mine; puparium white to 
reddish brown, anterior spiracles long, pro- 
jecting through epidermis, posterior spiracles 
each with 5-6 bulbs. 
Distribution. Colorado (new record); Canada. 
References. Spencer, 1969a: 242; 1976a: 421; 
Griffiths, 1980: 40; part 2, p. 329. 
Mesonotum distinctly brownish gray 105 
Mesonotum more distinctly grayish 113 
Tibiae and tarsi pale, brownish 106 
Tibiae and tarsi darker, concolorous with fe- 
mora 107 
Legs with femora entirely black P. vomitoriae Kulp 
210 
