u8 



NEW YORK STATE MUSEUM 



first segment short, incrassate, the second broadly rectangular, the 

 third with a length five times its diameter, the fourth one-half 

 r than the third, expanded distally. Mesonotum dull brown, 

 the submedian lines thickly haired. Scutellum and postscutellum 

 yellowish orange. Abdomen mostly deep orange, the irregular and 

 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. 



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, stronglv 

 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 

 Cecid. 967. 



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, pi. 1, figs. 1 and 2 (Diplosis) 

 1908 N. Y. State Mus. B u i 124. p. 394 



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 



[908 Felt, E. P. X. Y. State Mus. Bui. 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 



