mally to lower ors; 3d antennal segment small, 
round; face grayish but yellow below; acr sparse, 
in only 4 rows; legs largely black, foreknee 
faintly yellowish; discal cell small, last sec- 
tion of M 3+4 slightly more than twice length of 
penultimate; male genitalia with aedeagus as in 
figures 901, 902. 
Host/Early Stages. Ipomoea alba . Larva forming 
circular blotch, with strips of black frass de- 
posited in almost regular spiral (fig. 903); pu- 
parium pale, yellowish brown, posterior spiracles 
each with 3 bulbs, outer long, hooklike. 
Distribution. Florida. 
Reference. Spencer and Stegmaier, 1973: 90. 
13 (11). Hindcorners of mesonotum broadly yellow, black only 
narrowly reaching scutellum centrally 
_C. f lav ino turn (Frick) 
Synopsis. Large species, wing length in male 
2. 3-2.6 mm, in female 2.75-3 mm; orbit entirely 
yellow, even vti just on yellow ground; 3d anten- 
nal segment black, 1st and 2d partially yellowish; 
legs black but knee on forefemur bright yellow; 
mesonotum shining black but hindcorners yellow, 
with inner postalar on yellow and dc 1 at margin 
of black and yellow; male genitalia with aedeagus 
as in figures 904, 905. 
Host/Early Stages. Ageratina , Arctium , Eupatorium 
(not Viburnum pubescens as recorded by Frick, 1959: 
390). Larva forming whitish blotch mine, with 
several larvae in same leaf, mines frequently merg- 
ing and giving appearance of single very large 
mine; puparium reddish brown, posterior spiracles 
each with 3 bulbs, prominent anal lobes below (see 
Frick, 1956: fig. 3, c ) . 
Distribution. Massachusetts, New York, Pennsyl- 
vania; new records: Maine; Minnesota, Minneapolis, 
Minnehaha Creek, leaf mines on Arctium minus, 
10. IX. 78 and 29. VI. 80; 1 m. , 2 f . , ex Arctium and 
Eupatorium rugosum , July 1980 (KAS); Wisconsin, 
Dane Co., Madison, 1 f., reared from Arctium minus , 
13. IX. 76 (S. Tavormina); Canada; (not Brazil, 
Jamaica, and Venezuela as stated by Spencer, 1963a: 
343, see Spencer and Stegmaier, 1973: 184). 
References. Frick, 1956: 297; Spencer, 1969a: 147; 
Spencer and Stegmaier, 1973: 184 (under C. 
eupatorivora Spencer). *” 
— Hindcorners of mesonotum at most narrowly and 
faintly yellow, mesonotum broadly black adjoining 
scutellum 14 
14 (13). Orbit entirely yellow fr ickiana Spencer, n. sp. 
Synopsis. Frons narrow, little wider* than eye, 
normally 2 ors, 2 ori; mesonotum shining black, 
with only inconspicuous yellow patches at hind- 
corners adjoining scutellum; legs largely black, 
foreknee only inconspicuously yellowish; male 
genitalia with aedeagus as in figures 906, 907. 
146 
