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 t r i t i c i 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 



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



Spiraea spiracaflorae Felt, ai68il) 



dd Stems each with a length i',^ and 2j/< times its diameter 



c Abdomen dark or reddish Ijrown, length 2 mm 



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



cc Abdomen reddish yellow, length 1.5 mm 



s e t a r i a e Felt, 31721 

 bbb 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 ^ 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 Icngtii 2^A and 3 times their 



diameters t o 1 h u r s t a e n. sp., C. 721 



bhbh 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 2^4 and 3 times 



their diameters • . . . q u e r c i n a Felt, C 3-;2 



aa Ventral plate short 



b Ventral plate broad, deeply and roundly cmarginate 



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^-2 times its diameter. Bred from 



dwarfed catalpa shoots c a t a 1 p a e Comst., ai8o} 



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

 and slightly emarginate; 5th antennal segment having the stems 



with a length J4 and 2^ times their diameters 



tecomiae Felt, C. ai26o 

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



having the stems with a length I'-'S times their diameters 



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

 bb Ventral plate broadly and roundly emarginate 

 r Ventral plate tapering distally 



(/ Fifth antenna] segment having the Ivisal portion of ihc stem with 

 a lengtli less than its diameter 

 (' Al)dnmen reddish brown, lenglli i mm; 5th antennal segment 

 having the stems with a length J. 2 and 114 that of the diameter 



a n t e n n a t a n. sp., C. 69 



