half and extending along front margin and hind- 
margin; legs with femora bright yellow, narrowly 
darkened basally, tibiae and tarsi darker, particu- 
larly on p 3; wing length 1.9-2 mm, discal cell 
large, last section of M 3+4 only twice length of 
penultimate; male genitalia with aedeagus as in 
figures 731, 732. 
Host/Early Stages. Lupinus , including L. albi- 
caulis , L. latifolius , and L. pratensis . Larva 
forming upper surface linear mine (fig. 733), 
frequently associated with midrib; puparium brown, 
straw colored when empty. 
Distribution. California (mountains). 
Reference. Spencer, 1981: 247. 
3d antennal segment at most brownish or dark 
orange 41 
41 (40). 3d antennal segment brownish 1,, zinniae Spencer 
(Normally yellow, see couplet 72.) 
3d antennal segment dark orange L. helenii Spencer 
Synopsis. Frons, orbit, gena, face, and palpus 
yellow; hindmargin of eye black to base of vti; 
mesonotum matt black, with only weak subshine; 
mesopleuron black below bristle, bright yellow 
above; legs with femora bright yellow, narrowly 
black basally, tibiae and tarsi dark brown; wing 
length 1.9 mm, last section of M 3+4 2-2.5 times 
length of penultimate; male genitalia with aedea- 
gus as in figures 734, 735. 
Host/Early Stages. Helenium hoopesii . Larva 
forming linear mine, frequently, though not always, 
following midrib; (details of puparium not known). 
Distribution. California (mountains). 
Reference. Spencer, 1981: 239. 
42 (17). Femora predominantly black 43 
Femora predominantly yellow, at most darkened with 
blackish striations 46 
43 (42). Mesonotum shining black 44 
Mesonotum matt black 45 
44 (43). Femora entirely black L. arctii Spencer 
Synopsis. Frons, orbit, and antenna yellow; hind- 
margin of eye black to base of vte; mesonotum 
black, broadly yellow at hindcorners; mesopleuron 
at least 0.75 black, yellow above; legs largely 
black, femora at most faintly yellowish at knees; 
wing length 2 mm, discal cell large, last section 
of M 3+4 only twice length of penultimate; male 
genitalia with aedeagus as in figures 736, 737. 
Host /Early Stages. Arc t ium minus . Larva forming 
narrow white lrnear mine (fig. 738); puparium dark 
brown. 
Distribution. New records: Minnesota, Wisconsin; 
Canada. 
References. Spencer, 1969a: 167; part 2, p. 285. 
— Femora with all knees bright yellow 
L. septentrional is Sehgal 
(If 3d antennal segment darkened, see couplet 25.) 
122 
