154 



NEW YORK STATE MUSEUM 



submedian lines ornamented with setae. Scutellum and post- 

 scutellum reddish brown, the former with apical setae. Abdomen 

 dark brown, rather sparsely clothed with yellowish setae. Wings 







Fig. 30 Cincticornia transversa, male, a, sixth antennal segment; 

 b, genitalia, enlarged (original) 



hyaline, costa reddish brown. Halteres yellowish transparent. Legs 

 yellowish red, tibiae and basal tarsal segments slightly lighter apic- 

 ally, the distal tarsal segments darker; claws stout, strongly curved. 

 Genitalia; basal clasp segment short, stout, obliquely truncate; 

 at the basal angle a conspicuous chitinous process is continued an- 

 teriorly and ventrally, uniting basally with its fellow on the opposite 

 side and forming a pair of heavy, curved beaks; terminal clasp seg- 

 ment very short, stout. Dorsal plate short, rather deeply emarginate, 

 the lobes angularly rounded. Type Cecid. 53. 



Cincticornia serrata Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124:380 



This species was reared in June 1908 from circular blister galls 

 on scarlet oak, Quercus coccinea, taken near Boston, 

 Mass., by Miss Cora H. Clarke. 



Gall. The dark brown, broadly yellow-margined blister gall is 

 circular and about 3 mm in diameter. The galls occur here and there 

 upon the leaf. 



Larva. Length 2 mm, yellowish orange, rather stout. Head 

 very small; antennae short, stout. Breastbone slender, slightly 

 expanded apically, bidentate. Skin coarsely shagreened, posterior 

 extremity broadly rounded and with a pair of obtuse, semitrans- 

 parent submedian tubercles. 



