814; sperm pump with blade not greatly widening. 
Host/Early Stages. Unknown. 
Distribution. Southern California. 
Reference. Spencer, 1981: 286. 
Mesonotum entirely matt L. texella Spencer, n. sp. 
Synopsis. Closely resembling L. venturensis but 
mesonotum more uniformly matt; wing length 1.5 mm 
in male, discal cell very small, last section of 
M 3+4 3.5 times length of penultimate; male geni- 
talia with aedeagus as in figures 815, 816; sperm 
pump with blade conspicuously widening. 
Host/Early Stages. Unknown. 
Distribution. Texas. 
Reference. Part 2, p. 295. 
78 (74). 5 orbital bristles L. chemsaki Spencer 
Synopsis. Head largely yellow, hindmargin of eye 
black to near base of vti; frons broad, twice 
width of eye; broad epistoma along mouth margin; 
gena deep at rear, 0.5 height of eye; mesonotum 
matt black, with 3+1 dc, acr in 4 rows; mesopleur- 
on black on lower half; legs with femora yellow 
below but black above except at knees, these all 
bright yellow, tibiae and tarsi brownish black; 
wing length in male 2.25 mm, last section of M 3+4 
just over twice length of penultimate; male geni- 
talia with aedeagus as in figures 817, 818. 
Host/Early Stages. Unknown. 
Distribution. Northern California. 
Reference. Spencer, 1981: 226. 
4 orbital bristles L. tubula Spencer 
Synopsis. Generally resembling L. chemsaki but 
epistoma narrow; acr only in 2 rows; legs appear- 
ing generally dark but femora basically yellow, 
with extensive black striations above; wing length 
from 1.9 mm in male to 2.25 mm in female; male 
genitalia with aedeagus (figs. 819, 820) having 
long paired tubules; sperm pump strongly pig- 
mented, with very broad blade. 
Host/Early Stages. Unknown. 
Distribution. California. 
Reference. Spencer, 1981: 282. 
79 (67). Mesonotum shining black L. sativae Blanchard 
(Both vt normally on black ground, see couplet 63.) 
Mesonotum distinctly matt 80 
80 (79). Mesonotum uniformly black L. lathyri Sehgal 
Synopsis. Head yellow, both vt on yellow ground, 
hindmargin of eye narrowly black beyond vte; 
mesonotum black, only moderately shining, acr 
sparse, irregularly in 3 rows; scutellum yellow 
centrally, broadly black at sides; mesopleuron 
predominantly yellow, black along lower and front 
margins; legs with femora yellow, tibiae and tarsi 
either similar or more brownish; wing length in 
male 1.6-1. 7 mm, last section of M 3+4 2.5 times 
length of penultimate; male genitalia with aedea- 
gus as in figures 821, 822; sperm pump large, with 
broad, dark blade. 
133 
