l62 NEW YORK STATE MUSEUM 



It is some 3 mm long and i mm wide, and may extend along the vein 

 as well as into the leaf tissues beside. 



Larva. Length 2.5 mm, orange, rather stout, the head rather 

 broad, the antennae short, stout. Breastbone slightly expanded 

 anteriorly, bidentate, obsolescent posteriorly. Skin nearly smooth, 

 posterior extremity broadly rounded, with a pair of broad sub- 

 median tubercles. 



Male. Length 2.5 mm. Antennae nearly as long as the body, 

 sparsely haired, fuscous yellowish; 14 segments, the fifth with a 

 length about three times its diameter; circumfili 7, forming fine 

 reticulations; terminal segment produced, with a length four times 

 its diameter, tapering, narrowly rounded. Palpi; first segment 

 short, stout, the second with a length over three times its diameter, 

 rather stout, the third a little longer, more slender, the fourth one- 

 half longer than the third, somewhat dilated. Face pale yellowish. 

 Mesonotum fuscous yellowish, the submedian lines thickly haired. 

 Scutellum pale yellowish, postscutellum yellowish. Abdomen 

 sparsely haired, mostly yellowish orange, the small dorsal and ven- 

 tral sclerites fuscous; genitalia fuscous. Wings small, narrow, costa 

 fuscous. Halteres light fuscous yellowish, fuscous subapically. 

 Coxae and femora light fuscous yellowish, the tibiae slightly darker; 

 tarsi mostly dark brown; claws rather stout, strongly curved, the 

 pul villi shorter than the claws. Genitalia; dorsal plate short, divided, 

 the lobes narrowly rounded. 



Female. Length 2 mm. Antennae extending to the third abdom- 

 inal segment, sparsely haired, fuscous yellowish; 14 segments, the 

 fifth with a length three and one-half times its diameter; four cir-- 

 cumfili form coarse reticulations; terminal segment slightly reduced, 

 with a length three times its diameter, narrowly rounded. Meso- 

 notum shining dark brown, the submedian lines sparsely haired. 

 Scutellum dark reddish, postscutelliim fuscous yellowish. Abdomen 

 sparsely haired, the sclerites shining dark brown, membrane and 

 pleurae deep orange; ovipositor yellowish, when extended about 

 two thirds the length of the abdomen. Otherwise nearly as in the 

 male. Type Cecid. ai792. 



Cincticornia multifila Felt 



1907 Felt, E. P, N. Y. State Mus. Bui. 110:118-19 (separate p. 22) (Asphon- 

 dylia) 



1908 N. Y. State Mus. Bui. 124:380 



This species appears to be a rather common form under certain 

 conditions in the vicinity of Albany, N. Y., since it was taken Jtine i, 

 1906 while sweeping white oak Quercus alba. 



Male. Length 1.25 mm. Antennae extending to the base of 

 the abdomen, sparsely haired, light brown; 13 segments, the fifth 

 with a length two and one-half times its diameter and six or seven 

 circumfili; terminal segment produced and composed of two closely 



