male 2.6 mm; male genitalia with aedeagus (figs. 
1205, 1206) having distinctive, curving dorsal 
sclerites . 
Host/Early Stages. Unknown. 
Distribution. Colorado. 
Reference. Part 2, p. 328. 
2d costal section shorter, at most twice length 
of 4th 63 
63 (62). 2d costal section twice length of 4th 64 
2d costal section shorter, 1.5 times length of 
4th P. integerrimi Griffiths 
Synopsis. Frons broad, twice width of eye, 
yellow but more centrally; gena and face brown; 
3d antennal segment small, round, black, 1st 
and 2d slightly paler; mesonotum matt gray, 
acr in 2 rows; legs black, femora with all 
knees yellow; squama yellowish gray, margin and 
fringe dark; wing length 2. 5-2.8 mm; male geni- 
talia with aedeagus as in figures 1207, 1208 
(holotype) . 
Host/Early Stages. Senecio integerrimus . De- 
tails of larva and leaf mine not available. 
Distribution. Oregon; new record: Colorado, 
Boulder Co., Niuwat Ridge, 11,300 ft, 28. VI. 61 
(C. H. Mann, CNC) . 
Reference. Griffiths, 1974b: 120. 
64 (63). Male genitalia with aedeagus as in figures 1209, 
1210 P. crepidis Spencer 
Synopsis. Essentially as in P. alamedensis , 
femora with knees slightly more yellow, and 
generally slightly larger, wing length 2. 5-2.6 
mm. 
Host/Early Stages. Crepis sp. Larva forming 
leaf mine, pupating in leaf (further details 
not recorded). 
Distribution. California (mountains). 
Reference. Spencer, 1981: 386. 
Male genitalia with aedeagus as in figures 1211, 
1212 P. montereyensis Spencer 
Synopsis. Externally as in P. crepidis , dif- 
ferences in aedeagus distinctive. 
Host/Early Stages. Unknown. 
Distribution. Central California. 
Reference. Spencer, 1981: 405. 
65 (25). Broad epistoma present P. lupini Sehgal 
Synopsis. Head (fig. 1213) with frons greatly 
projecting above eye, varying from yellow to 
pale brown; normally 1 strong or, less fre- 
quently 2 weaker, equal ones (couplet 30); gena 
broad, up to 0.5 height of eye; 3d antennal 
segment distinctly elongate, black; mesonotum 
ash gray, acr in 2-4 rows; legs black, with all 
knees yellow; squama and fringe yellowish; wing 
length 2.7-3 mm, 2d costal section short, twice 
length of 4th; male genitalia with aedeagus as 
in figures 1214, 1215. 
196 
