(Plantaginaceae) , and Spigelia (Loganiaceae) (see 
part 2, p. 285). Larva forming irregular blotch 
mine, frequently associated with midrib and later- 
al veins (fig. 671), invariably several mines in 
leaf; pupation in leaf, with anterior spiracles 
projecting through epidermis; anterior spiracles 
pale brown (fig. 672), with base short and 2 arms 
of divided section relatively long; posterior 
spiracles each with 3 bulbs, outer 2 conspicuous- 
ly elongate, 2 processes widely separated. 
Distribution. Florida, Texas (new record), possi- 
bly also District of Columbia, Mississippi; Canada. 
References. Spencer and Stegmaier, 1973: 98; part 
2, p. 285. 
Cercus in male without such hair 
“ L. marginal is (Malloch) 
Synopsis. Essentially as in L. ph iladeph ivora ; 
mesonotum with dark area shining black, rarely 
paler (fig. 673), normally with only 2 strong 
postsutural dc but 3d sometimes present; male 
genitalia with aedeagus as in figures 674, 675, 
distiphallus short, broad; epandrium (fig. 676) 
with chitinized bar at hindcorner; surstylus with 
strong blunt chitinized area at inner corner; 
sperm pump with linear blade, base exceptionally 
broad . 
Host/Early Stages. Poaceae, including Panicum 
miliaceum , Digitaria , Eleusine , Euchlaena , Pas- 
palum , and probably other genera. Larva forming 
broad, linear mine, pupating in leaf, with black 
anterior spiracles (fig. 677) projecting through 
epidermis, posterior spiracles each with 3 bulbs. 
Distribution. Florida, South Carolina; Bahamas, 
Brazil, Dominica, Jamaica. 
References. Stegmaier, 1967b: 133 (as L. sorosis); 
Spencer and Stegmaier, 1973: 102. 
17 (3). 3d antennal segment black, brown or at least 
partially darkened, dark orange 18 
3d antennal segment pale, yellow or orange 42 
18 (17). 1 or s-- L. quadrisetosa (Malloch) 
Synopsis. Frons orange, strongly projecting above 
eye, 1 reclinate ors, 4 or 5 inclined ori; gena 
extended at rear, almost 0.5 height of eye; all 
antennal segments black; 3+1 strong dc, sometimes 
additional smaller ones in presutural area; meso- 
notum deep black, only moderately shining, scutel- 
lum bright yellow; rear of humerus, notopleuron, 
and upper margin of mesopleuron bright yellow, 
pleura otherwise black; legs entirely black; 
squama 1 margin deep black; wing length from 2.1 mm 
in male to 2.5 mm in female; male genitalia with 
aedeagus as in figures 678, 679; hypandrium elon- 
gate (fig. 680). 
Host/Early Stages. Unknown, possibly Clematis. 
Larva feeding internally, either in stem or 
inflorescence. 
Distribution. California, New York, Texas; Canada. 
114 
