414 NEW YORK STATE MUSEUM 



// Abdomen bright orange, length i mm ; dorsal plate lobes 

 divergent, distinctly constricted subapically and bearing a few 

 stout setae apically ; ventral plate twice the length of the 



dorsal plate; bred from wheat heads tritici Kirby 



cc Stems of the 5th antennal segment plainly unequal 



d Stems each with a length 3 and 4^^ times its diameter 



e Abdomen reddish yellow, length 1.5 mm; bred from flowers of 



Apocynum a p o c y n i n. sp., C. ai684a 



ee Abdomen greenish bronze, length 1.5 mm ; bred from flowers of 



Spiraea spiraeaflorae Felt, ai68ib 



dd Stems each with a length i^ and 2^ times its diameter 



e Abdomen dark or reddish brown, length 2 mm 



h u d s o n i Felt, C. i 



ee Abdomen reddish yellow, length 1.5 mm 



s e t a r i a e Felt, ai72i 

 hhh Ventral plate truncate or nearly so 



c Abdomen pale yellowish orange, length 1.6 mm; 5th antennal seg- 

 ment having the stems equal, each with a length Yz greater than 



its diameter n i x o n i n. sp., C. 510 



cc Abdomen dark fuscous yellowish, length 1.25 mm; 5th antennal seg- 

 ment having the stems with length 2^^ and 3 times their 



diameters tolhurstae n. sp., C, 72 1 



hhhh Ventral plate broadly rounded, dorsal plate long, the lobes rounded 

 c Abdomen pale orange, with a fuscous spot basally, length .5 mm ; 5th 

 antennal segment having the stems with a length 2^ and 3 times 



their diameters quercina Felt, C. 342 



aa Ventral plate short 



h Ventral plate broad, deeply and roundly emarginate 



c Abdomen pale yellowish, length 1.25 mm ; dorsal plate short ; triangu- 

 larly emarginate, the lobes produced laterally, the 5th antennal seg- 

 ment having the stems equal, each with a length 3^ times its 



diameter; bred from rolled leaves of Verbena urtifolia 



u r t i f o 1 i a n. sp., C. ai577 

 cc Abdomen pale yellowish, length 1.5 mm, dorsal plate short, triangu- 

 larly emarginate, the lobes angularly rounded, the 5th antennal seg- 

 ment having the stems each 3^/^ times its diameter. Bred from 



dwarfed catalpa shoots catalpae Comst., 31804 



ccc Abdomen pale yellowish, length 2 mm ; dorsal plate short, angularly 

 and slightly emarginate ; 5th antennal segment having the stems 



with a length J/2 and 2^ times their diameters 



tecomiae Felt, C. ai26o 

 cccc Abdomen light yellowish brown, length 2 mm ; 5th antennal segment 



having the stems with a length lYi times their diameters 



r e s i n i c 1 a O. S., C. ai85 

 hh Ventral plate broadly and roundly emarginate 

 c Ventral plate tapering distally 



d Fifth antennal segment having the basal portion of the stem with 

 a length less than its diameter 

 e A1)domcn reddish 1)rown, IcMigtli i mm ; 5th antennal segment 

 having the stems with a length y> and 1J/2 that of the diameter 



a n t c n n a t a ' n. sp., C. 69 



