hindcorners L. frommeri Spencer 
Synopsis. Closely resembles L. sativae, with 
following essential characters: Frons, orbit, and 
antenna bright yellow; hindmargin of eye black to 
base of vti, this just on black ground; mesopleur- 
on yellow, with black patches along front and 
lower margins; legs with femora bright yellow, 
tibiae and tarsi brownish; wing length 1.25-1.4 
mm, discal cell small, last section of vein M 3+4 
3.5 times length of penultimate; male genitalia 
with aedeagus as in figures 768, 769; sperm pump 
with short stalk, blade fanlike. 
Host/Early Stages. Unconfirmed (specimens caught 
on Chilopsis linearis and Melilotus indica). 
Distribution. Southern California. 
Reference. Spencer, 1981: 235. 
Mesonotum with yellow patches at hindcorners 61 
61 (60). 5 orbital bristles L. specifics Spencer 
Synopsis. Frons 1.5 times width of eye, orbital 
bristles somewhat irregular, probably 2 ors, 3 
ori; frons, gena, antenna, and palpus yellow; 
hindmargin of eye black to base of vti; upper or- 
bit faintly darkened to lower ors; mesonotum 
brilliantly shining black, with prominent yellow 
patches at hindcorners; mesopleuron black on lower 
half, yellow above; legs with femora yellow, 
slightly black basally, tibiae and tarsi brownish 
yellow on p 1, brownish black on p 2, p 3; wing 
length in male 1.6 mm, last section of M 3+4 2.5 
times penultimate; male genitalia with aedeagus as 
in figures 770, 771; sperm pump with short stalk 
and rounded blade. 
Host/Early Stages. Unconfirmed, possibly Sambucus 
mexicana (on which type series was caught). 
Distribution. Southern California. 
Reference. Spencer, 1981: 275. 
— 4 orbital bristles 62 
62 (61). Small species, wing length 1.25-1.8 mm 63 
Larger species, wing length 1. 6-2.1 mm 64 
63 (62). Male genitalia with aedeagus as in figures 772, 
773; sperm pump with blade broad (fig. 774) 
- L. brassicae (Riley) 
Synopsis. Head (fig. 775) with 2 equal ors, 2 ori, 
lower weaker; frons and antenna bright yellow; 
hindmargin of eye black, both vt normally on black 
ground, upper orbit frequently darkened; meso- 
pleuron normally dark only on lower 3d, though 
dark area may extend up hindmargin; mesonotum 
brilliantly shining black, with small yellow 
patches at hindcorners; legs with femora bright 
yellow, tibiae and tarsi brownish; squama yellow, 
margin and fringe dark; wing length from 1.25 mm 
in male to 1.8 mm in female, discal cell small, 
last section of M 3+4 3 times length of penulti- 
mate . 
Host/Early Stages. Primarily Brassicaceae , many 
127 
