Synopsis. Frons brownish black, orbit darker, 
entirely black; gena brownish; antenna black, 
3d segment small, round; mesonotum matt black- 
ish gray, acr in 4-5 rows; legs with femora 
entirely black, tibiae and tarsi distinctly 
paler, brownish; wing length from 1.65 mm in 
male to 1.9 mm in female, 2d costal section 
2. 1-2.5 times length of 4th; male genitalia 
with aedeagus (figs. 1281, 1282) having distal, 
diverging section of distiphallus short, 
ventral sclerite small; sperm pump large. 
Host/Early Stages. Ilex vomitoria . Larva form- 
ing upper surface linear blotch mine, which can 
entirely fill small leaves; puparium brownish 
black, remaining in mine with anterior spir- 
acles projecting through leaf epidermis. 
Distribution. California, Florida, Georgia; new 
records: Louisiana, Evangeline Co., Mamou, 1 m. , 
28. III. 60 (J. G. Chillcott); Mississippi, 
Washington Co., Leland, many specimens (K. E. 
Frick) . 
References. Kulp, 1968: 25; Spencer and Steg- 
maier, 1973: 124; Steyskal, 1976: 767; Spencer, 
1981: 432. 
Legs with femora having foreknee yellowish 
. p. persicae Frick 
Synopsis. Frons black in front, paler above; 2 
equal ors, 2 ori, lower sometimes lacking; 
mesonotum blackish gray, acr in 4 rows; wing 
length about 2 mm, 2d costal section twice 
length of 4th; male genitalia with aedeagus 
(fig. 1283) having paired division of disti- 
phallus characteristically recurved. 
Host/Early Stages. Prunus persica (peach). 
Larva forming long, whitish linear mine (Frost, 
1924: plate II, fig. 3), with frass in con- 
spicuous black pellets (fig. 1284), pupation in 
leaf, with anterior spiracles of puparium 
projecting through epidermis. 
Distribution. Connecticut, Ohio, Virginia; 
Canada. 
References. Frost, 1924: 81 (as P. obscurella 
var. nigritella Zett.); Frick, 1954: 369; 
Spencer, 1969a: 266. 
107 (105). Small species, wing length 1.3-1. 7 mm in male, 
1.7-1.85 mm in female 
Chroma tomyi a fricki Griffiths 
Synopsis. Frons brownish black, twice width of 
eye, 2 equal ors, 2 ori, lower weak; antenna 
black, 3d segment small, round; mesonotum 
blackish gray, acr irregularly in 4 rows; legs 
black, foreknee slightly brownish; squama gray, 
fringe black; male genitalia with aedeagus 
(figs. 1285, 1286) having supporting sclerites 
straight sided, uniformly tapering; sperm pump 
minute, unpigmented. 
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