354 NEW YORK STATE MUSEUM 



/ 5th antennal segment having the basal en- 

 largement with a length 3/2 greater than 

 its diameter 

 g 15. antennal segments; the ventral plate 

 slender, deeply emarginate, the lobes 



short ; harpes subacute 



a c e r i f o 1 i a Felt, C. 36 

 gg 16 antennal segments ; ventral plate stout, 

 deeply emarginate, the lobes long; 

 harpes truncate; bred from large ter- 

 minal rosette bud gall on rose 



rosacea n. sp., C. 1244 

 // 5th antennal segment having the basal en- 

 largement v^^ith a length twice its di- 

 ameter 

 g 15 antennal segments ; harpes obliquely 

 truncate with conspicuous quadrate 

 teeth; bred from a subglobular poly- 

 thalamous gall on side of willow twig 

 globosa n. sp., aio84a 

 gg 17 antennal segments; harpes subacute 

 with variable quadrate teeth ; bred from 

 a Triticoides and Hordeoides gall of 



Walsh 



triticoides Walsh, ai076, aioS; 

 ccc 5th antennal segment with a stem as long as the basal en- 

 largement 

 d 16 antennal segments, the 5th having the basal enlarge- 

 ment with a length ^ greater than its diameter ; the 

 4th palpal segment ^ longer than the 3d; bred from 

 a Strobiloides gall. .? albovittata Walsh, ai442b 

 cccc 5th antennal segment with a stem ^4 longer than the basal 

 enlargement 

 d 16 antennal segments ; the dorsal plate triangularly in- 

 cised ; ventral plate deeply and narrowly incised ; 



bred from a deformed willow bud 



gemmae n. sp., C. 254 

 aaa 18 to 20 antennal segments 



b Females, antennal segments sessile 

 c 18 antennal segments 



d Antennal segments tapering distally 



e Length 2.5 mm ; abdomen dark brown ; the Sth an- 

 tennal segment with a length ^ greater than its 

 diameter ; thinly setulose ; the 4th palpal segment 

 H longer than the 3d ; bred from whitish cocoons 



on poplar p o p u 1 i Felt, C. ySx, ^322, ail26 



ee Length 3 mm ; abdomen dark brown ; the 5th an- 

 tennal segment with a length twice its diameter ; 

 thickly setulose; 4th palpal segment % longer 

 than the 3d ; bred from a small, oval, rosette gall 

 on willow n o r m a n i a n a n. sp., C. 1246 



