last section of M 3+4 only slightly more than 
twice length of penultimate; male genitalia with 
aedeagus as in figures 807, 808; surstylus not 
differentiated, only a few weak hairs at inner 
margin of epandrium. 
Host/Early Stages. Unknown. 
Distribution. Central California. 
Reference. Spencer, 1981: 209. 
Femora black basally L . graminacea Spencer 
Synopsis. Frons about 1.5 times width of eye, 
yellow, together with orbit and antenna; hind- 
margin of eye black to near base of vti but this 
invariably on yellow; mesonotum deep black, 
moderately shining from rear, with large yellow 
patches at hindcorners; side of thorax largely 
yellow, mesopleuron black along lower margin; legs 
with femora black basally but up to 0.33 yellow, 
tibiae and tarsi brownish black; wing length from 
2.25-2.4 mm in male to 2.75 mm in female; male 
genitalia with aedeagus as in figures 809, 810; 
surstylus not differentiated, only isolated hairs 
on inner corner of epandrium. 
Host/Early Stages. Poaceae (inferred from male 
genitalia) . 
Distribution. California; new record: Colorado, 
Boulder Co., Corona Pass, 10,600 ft, 1 m. , 
11. VIII. 61 (J. G. Chillcott , CNC) . 
Reference. Spencer, 1981: 237. 
74 (70). Femora largely yellow 74 
Femora basically yellow but heavily striated with 
black 78 
75 (74). Small species, wing length in male up to 1.8 mm; 
squamal fringe dark 76 
Larger species, wing length in male 2.6 mm; squamal 
fringe yellow L . splendens Spencer, n. sp. 
Synopsis. Frons twice width of eye, 2 ors, 3 ori; 
head yellowish orange, vte on black ground; meso- 
notum deep black; femora conspicuously bright yel- 
low; male genitalia with aedeagus as in figures 
811, 812. 
Host/Early Stages. Unknown. 
Distribution. New York. 
Reference. Part 2, p. 293. 
76 (74). Mesonotum largely matt 77 
Mesonotum shining black L. sativae Blanchard 
(Both vt normally on black ground, see couplet 
63.) 
77 (76). Mesonotum predominantly matt but with distinctive 
subshine L. venturensis Spencer 
Synopsis. Head largely yellow, hindmargin of eye 
black to base of vte; mesonotum black, only weakly 
shining; mesopleuron black on lower 3d; femora 
entirely yellow, tibiae and tarsi brownish; wing 
length in male 1.8 mm, discal cell small, last 
section of M 3+4 3 times length of penultimate; 
male genitalia with aedeagus as in figures 813, 
132 
