118 NEW YORK STATE MUSEUM 
first segment short, incrassate, the second broadly rectangular, the 
third with a length five times its diameter, the fourth one-haly 
longer than the third, expanded distally. Mesonotum dull brown 
the submedian lines thickly haired. Scutellum and postscutellum 
yellowish orange. Abdomen mostly deep orange, the irregular anc 
variable dorsal and ventral sclerites dark brown. Ovipositor pale 
orange. Wings hyaline, costa light brown. Coxae fuscous yellowish, 
femora and tibiae mostly pale yellowish, slightly fuscous apically 
tarsi a variable fuscous yellowish. Ovipositor two-thirds the length 
of the abdomen; terminal lobe with a length four times its diameter, 
tapering, subacute. 








——— —_—S—=—n’ ; iy 
ee = EZ Wort eS 
——— SEE = ESS Sac 
: ——— SSSSSSSae& 2 eg ee 









Fig. 38 Contarinia negundifolia, ovi- 
positor of female, the stippled area is probably an 
artifact (enlarged, original) 
Exuviae. Length 1.5 mm, whitish, the antennal cases extending 
to the first abdominal segment, cephalic horns rather stout, strongly 
curved, the wing cases extending to the fourth abdominal segment 
and the leg cases to the fifth abdominal segment, the dorsum of the 
abdominal segments thickly studded with chitinous points and 
anteriorly becoming obsolete, laterally with an irregular, double or 
treble row of chitinous, bidentate or unidentate processes. Type 
Ceemdq07. 
Contarinia setigera Lintn. 
1896 Lintner, J. A. N. Y. State Ent. Rep’t 11, p. 168-70 (Diplosis) 
1897 Felt, E. P. Psyche, 8:4, 5, pl. 1, figs. 1 and 2 (Diplosis) 
1908 Ne tate Mus, Bil 12457 p.8304 
This species was reared by the late Doctor Lintner from melon 
tips received from Lowell, Mass., and also containing larvae of 
Aphidoletes cucumeris Lintn., the form under dis- 
cussion presumably being responsible for the gall. 
Contarinia canadensis Felt 
1908 Felt, E. P. N. Y. State Mus. Bul. 124, p. 394 
The midges, received through the courtesy of the United States 
National Museum, bear the label, Toronto, Ontario, April 18, 1897. 
The insects were pinned in a lot bearing similar locality and date 
