St izolobium deer ingianum (Fabaceae); Smilax sp. 
(Liliaceae); Bougainvillea spectabilis (Nyctagina- 
ceae) ; and Passiflora caerulea (Passif loraceae) . 
There are other possible hosts in the Apocynaceae 
and Euphorbiaceae (Stegmaier, 1966c), but confir- 
mation was not obtained from reared adults. Larva 
forms irregular, silvery, epidermal mine, pupating 
externally; puparium is brown, posterior spiracles 
each with 3 minute equal bulbs. 
Distribution. Florida; Bahamas, Costa Rica (type 
locality), Jamaica. 
References. Frick, 1959: 409; Spencer and Steg- 
maier, 1973: 106. 
13 (10). Dark areas of mesonotum gray (fig. 657) 
L,. bella Spencer 
Synopsis. Small species, wing length 1.8-2 mm, 
discal cell large, last section of vein M 3+4 only 
twice length of penultimate; head entirely bright 
yellow; mesonotum banded, broadly yellow adjoining 
scutellum; side of thorax bright yellow, apart 
from lower 0.67 of sternopleuron; legs with femora 
and tibiae yellow, tarsi slightly darker, brownish 
yellow; abdomen with all tergites broadly yellow; 
halter yellow; male genitalia with aedeagus ending 
in long paired tubules (fig. 658); sperm pump with 
large dark blade; surstylus with single stout 
spine . 
Host/Early Stages. Unknown. 
Distribution. California (predominantly in 
mountains); new record: Colorado, Gunnison Co., 
Gothic, 9,500 ft, 1 m. , 30. VII. 61 (J. G. 
Chillcott, CNC) . 
Reference. Spencer, 1981: 219. 
Dark areas of mesonotum shining black, sometimes 
paler toward rear 14 
14 (13). Central dark band approaching margin of scutellum 
(fig. 660) L. commelinae (Frost) 
Synopsis. Head (fig. 659) yellow, frons not pro- 
jecting above eye, 2 ors, 2 ori; gena 0.25 height 
of eye; 3d antennal segment in male (fig. 659) 
greatly enlarged, with conspicuous pubescence, 
normally yellow, sometimes more brownish, in fe- 
male small, round, similarly pubescent; mesonotum 
(fig. 660) with 3+2 dc, prsc lacking, shining 
black area approaching scutellum ventrally but 
broadly yellow each side, appearing banded; 
pleura, scutellum, and legs entirely yellow; abdo- 
men blackish centrally but variably yellow lateral- 
ly; squama and fringe yellow; wing length 1.6-2 mm, 
discal cell large, last section of M 3+4 twice 
length of penultimate; male genitalia with aedea- 
gus (fig. 661) very small, ending in paired, 
straight, unpigmented tubules; ventral sclerites 
long, narrow, in 2 loops; sperm pump large, equal 
to length of aedeagus, blade and also hypandrium 
and aedeagal apodeme almost entirely unpigmented; 
112 
