mesonotum and scutellum matt gray, acr in 3-4 
rows; legs black, knees yellow; squama and 
fringe yellow, margin dark brown; wing length 
1.3-1.75 mm; male genitalia with aedeagus as in 
figures 1146, 1147. 
Host/Early Stages. Ceanothus sp. Larva forming 
linear mine which develops into a secondary 
blotch in small leaves, pupating in leaf; pu- 
parium yellow, posterior spiracles each with 
about 8 bulbs. 
Distribution. Kansas. 
Reference. Part 2, p. 311. 
3d antennal segment with short, normal pubes- 
cence 34 
34 (33). Acr present, in 2-4 rows 35 
— Acr lacking 48 
35 (34). Acr in 2 rows 36 
Acr in 4 rows 42 
36 (35). Frons distinctly projecting above eye 37 
Frons at most narrowly projecting above eye 40 
37 (36). Forecoxa at least partially yellow 38 
Forecoxa black 39 
38 (37). Male genitalia with aedeagus (fig. 1148) having 
short, broad distiphallus P. subtenella Frost 
Synopsis. Frons, face, 1st and 2d antennal 
segments yellow, 3d black, slightly enlarged; 
gena broad, up to 0.4 height of eye; mouth mar- 
gin normal, without epistoma; palpus black; 
mesonotum matt gray, acr in 2 rows; legs with 
femora black and all knees bright yellow; abdo- 
men and all tergites yellow bordered, and in 
front broadly yellow laterally; basal cone of 
ovipositor elongate, entirely shining with 4-6 
long hairs at end; squama and fringe yellow; 
wing length 2. 5-2.8 mm, 2d costal section 
short, 1.5 times length of 4th; male genitalia 
with aedeagus as in figures 1148, 1149. 
Host/Early Stages. Unknown, almost certainly 
internal feeder. 
Distribution. California, Washington, Wiscon- 
sin; new record: Wyoming, Uinta Co., 29 miles 
S. of Evanston, 1 f., 20. VII. 75 (G. C. Eickwort, 
CUI); Canada. 
References. Frost, 1924: 89; Spencer, 1981: 
425. 
Note. This species is clearly related to ]?. 
eumorpha Frey, 1946 (see Spencer, 1976a: Tigs. 
722, 723), which is known from north of Arctic 
Circle in Sweden and Finland; however, P. eu - 
morpha differs in having 3d antennal segment 
yellow. 
Male genitalia with aedeagus (fig. 1150) having 
distiphallus slender, more elongate 
JP . orindensis Spencer 
Synopsis. Closely resembling P. subtenella but 
frons less projecting, 1st and 2d antennal seg- 
186 
