and fringe black; male genitalia with aedeagus 
(figs. 913, 914) having rear ventral lobe only 
partially fused, basal sclerites discrete. 
Host/Early Stages. Cynoglossum . Details of leaf 
mine and larva not recorded. 
Distribution. Indiana; (not Quebec as recorded by 
Frick, 1956; see Spencer, 1969a: 145). 
Reference. Frick, 1956: 295. 
Orbit not darkened below lower ors 18 
18 (17). Very small species, wing length 1.4-1. 5 mm 
C: . sidae Spencer 
Synopsis. Frons yellow, orbit black to upper ors; 
all antennal segments black, face yellow; mesono- 
tum shining black; legs largely black, foreknee at 
most faintly yellowish; discal cell small, last 
section of vein M 3+4 2.5 times length of 
penultimate; male genitalia with aedeagus as in 
figures 915, 916. 
Host/Early Stages. Sida spp. Larva forming short, 
irregular elongate blotch mine (fig. 917); pupari- 
um pale, yellowish brown, posterior spiracles each 
with 3 bulbs. 
Distribution. Florida; Bahamas, Dominica, 
Dominican Republic. 
Reference. Spencer and Stegmaier, 1973: 88. 
— Larger species 19 
19 (18). Relatively large species, wing length from 2. 3-2. 5 
mm in male to 2.7 mm in female 20 
— Smaller species, wing length at most 2.2 mm 21 
20 (18). Orbit darkened to lower ors 
C. orientalis Spencer, n. sp . 
Synopsis. Large species, wing length 2. 4-2.6 mm; 
orbit consistently darkened to lower ors; mesono- 
tum deep black, shining; legs entirely black; male 
genitalia with aedeagus (figs. 918, 919) having 
rear ventral lobe entire, flaplike, basal 
sclerites discrete. 
Host/Early Stages. Unknown. 
Distribution. Maine, New York, Tennessee, Virginia. 
Reference. Part 2, p. 301. 
Orbit darkened only to upper ors 
— L. artemisiae (Kaltenbach) 
Synopsis. Large species, wing length 2.5-2. 7 mm, 
last section of M 3+4 slightly longer than pen- 
ultimate; 2d and 3d antennal segments black, 1st 
slightly yellowish; mesonotum black but distinctly 
matt; legs entirely black; male genitalia with 
aedeagus (figs. 920, 921) conspicuously asymmetri- 
cal in both side and ventral views, ssp. artemisi- 
ae , symmetrical in ventral view, ssp. marcida 
(figs. 922, 923); hindcorner of epandrium with 
conspicuous patch of bristles, typical of genus 
(fig. 924). 
Host/Early Stages. Artemisia , Eupatorium . Larva 
forming large, whitish blotch mine (fig. 925), 
148 
