otherwise black; legs almost entirely black; abdo- 
men black; squama dark gray, margin and fringe 
black; wing length 1.8-2 mm; male genitalia with 
aedeagus as in figures 687, 688; sperm pump (fig. 
689) with enlarged blade. 
Host/Early Stages. Baptisia tinctoria , Lupinus 
spp. Larva forming linear mine in 1st instar, 
which later develops into regular blotch (fig. 
690) , conspicuously greenish when fresh, with 
frass deposited in irregular grains and strips; 
puparium yellowish white, posterior spiracles each 
with ellipse of about 10 bulbs on low protuberance. 
Distribution. Central California, Montana, 
Pennsylvania; new records: Colorado, Jefferson 
Co., Mt. Vernon Canyon, near Golden, 7,200 ft, 1 
f., 31. VI I. 61 (C. H. Mann, CNC); Raymond, Boulder 
Co., 5,400 ft, 1 m., 10. VI. 61 (B. H. Poole, CNC). 
References. Spencer, 1969a: 169; 1981: 218. 
23 (19). Femora predominantly black but at least partially 
yellow 24 
Femora predominantly yellow, at most variably marked 
with blackish striations 30 
24 (23). Femora black, apart from yellow knees 25 
Femora yellowish below or at least faintly on fore- 
leg - 26 
25 (24). Outer crossvein lacking; small species, wing length 
1.5 mm in male L . chlamydata (Melander) 
Synopsis. Frons yellow, orbit largely black; 3d 
antennal segment dark orange; mesonotum shining 
black; mesopleuron almost completely black; legs 
largely black, but femora with distinctly yellow- 
ish knees; wing length 1.5 mm in male; male geni- 
talia with aedeagus as in figures 691, 692. 
Host/Early Stages. Unknown. 
Distribution. Washington. 
Reference. Frick, 1959: 403. 
Outer crossvein present; larger species, wing 
length 1.9-2. 5 mm L. septentrionalis Sehgal 
(3d antennal segment normally yellow, see couplet 
44.) 
26 (24). Outer crossvein lacking L. frigida Spencer 
Synopsis. Frons, gena, and face yellow, hindmargin 
of eye black, both vt on black ground; orbit 
distinctly darkened from vertex to base of anten- 
na, 2 ors, 2 ori; mesonotum black, only moderately 
shining; mesopleuron largely black; legs with 
femora almost completely black, only knees faintly 
yellowish, tibia and tarsi black; abdomen black; 
wing length 1. 3-1.4 mm; male genitalia with aedea- 
gus as in figures 693, 694; sperm pump with long, 
narrow stalk and large, rounded blade. 
Host/Early Stages. Unknown. 
Distribution. Central California. 
Reference. Spencer, 1981: 234. 
Outer crossvein present 27 
27 (26). Mesonotum matt grayish black 
116 
