103 
second; sides of face below the lowest frontal bristles bare, 
middle tibiaa eacli bearing a single macrochaeta on the front side 
near the middle; length, C> mm. Camden, Ark., and Los Angeles 
County, Gal. (Annales Soc. But. France, Vol. VIII, p. 2(H); 
1888.) parva Bigot. 
With three sternopleural macrochaetae 2. 
With only two sternoplenral and four postsntural macrochaetae; 
middle tibia? each bearing two or more macrochaetae on the front 
side near the middle, hind tibiae outwardly ciliate; black, the 
palpi brown, the scutellum yellow except at the base, sides of 
first three segments of abdomen sometimes partly yellow; front 
in the male three-fifths as broad as either eye, frontal bristles 
descending to tip of second antennal joint, cheeks scarcely one- 
eighth as broad as the eye-height, antenna' almost as long as the 
face, the third joint four and one-half times as long as the sec- 
ond, arista thickened on the basal third, facial ridges bristly on 
the lower three-fifths to three-fourths; thorax lightly gray polli- 
nose. marked with three broad black vittae, scutellum bearing- 
four pairs of long marginal macrochaetae, the last pair cruciate 
and inclined downward; abdomen snbshining, the last three seg- 
ments lightly whitish pollfnose, the extreme apices of the seg- 
ments bare, the bristly hairs rather long and almost erect, first 
two segments each bearing a marginal pair of macrochaetae, the 
third with a marginal row. the fourth wholly covered except the 
extreme base; front pulvilli slightly longer than the last tarsal 
joint; wings hyaline, the base to apex of second basal cell gray, 
third vein bearing two bristles at its base: calypteres whitish; 
length, 6* to 9 mm. Michigan and Missouri. Three male speci- 
mens. Type Xo. .')603, I '. S. National Museum. . .tortricis n. sp. 
2. Thorax bearing three postsntural macrochaetae 3. 
Thorax bearing four postsuturals, hind tibiae outwardly ciliate, 
second and third segments of abdomen bearing discal macro- 
chaetse, several macrochaetae outside of the frontal bristles. . . 6. 
3. Hind tibiae outwardly ciliate, scutellum bearing four marginal pairs 
of macrochaetae 5. 
Hind tibiae not ciliate, scutellum bearing only three pairs of mar- 
ginal macrochaetae, body slender, last three segments of abdomen 
destitute of pollen on the broad apices, pollen of face white. . 4. 
4. Second and third segments of abdomen destitute of discal macro- 
chaetae, middle tibiae each bearing only one macrochaeta on the 
front side near the middle; length, 7 mm. Ctiea, Miss. (Biol. 
Cent.-Amer., Diptera, Vol. II, p. 84; Feb., 1800.). macra v. d. W. 
Second and third segments of abdomen bearing discal macrochaetae, 
middle tibiae each bearing two on the front side near the 
middle; length, 9 mm. Newark, X. J. (Biol. Cent.-Amer., 
Diptera, Vol. II, p. 79; February, 1890.) rufilabris v. d. W. 
