408 NEW YORK STATE MUSEUM 



dd Abdomen dark brown, the 5th antennal segment having the stems 

 with a length 3^ times the diameter, the distal node with a length 



equal to its diameter, circumfili long 



(C e c i d o m y i a) j u n i p e r i n a Felt, C. 746 

 cc Abdomen yellowish 



d Abdomen pale yellowish, the 5th antennal segment having the 

 stems with a length thrice the diameter, the distal node with a 

 length Yi greater than its diameter, circumfili rather long; bred 



from a cylindric fimbriate leaf gall on Crataegus 



crataegifolia n. sp., C. 31555 



dd Abdomen yellowish, the second to fourth segments fuscous, the 



5th antennal segment having the stems with a length 2^ times 



the diameter, the distal node with a length ^ greater than its 



diameter, style short c i n c t a n. sp., C. 465 



ddd Abdomen fuscous yellowish 



e Style short, the 5th antennal segment having the stems with a 

 length 2^ times the diameter, the distal node with a length 

 1/2 greater than its diameter, not constricted ; bred from rolled 



edge of poplar leaf populifolia n. sp., C. 31490 



ee Style long, the 5th antennal segment having the stems with a 

 length 2)^2 times the diameter, the distal node with a length 

 Yz greater than its diameter, constricted; bred from rolled ash 



leaves fraxinifolia n. sp., C. 31572 



dddd Abdomen fuscous yellowish, fuscous basally, 5th antennal seg- 

 ment having the stems wath a length 2Y2 times the diameter, the 

 distal node with a length Y2 greater than its diameter, the style 

 short; dorsal plate slightly emarginate, the lobes broadly emargi- 



nate b a s a 1 i s n. sp., C. 512 



ccc Abdomen light carmine, the 5th antennal segment having the stems 

 with a length 2Y2 times the diameter, the distal node with a length 

 Y2 greater than its diameter ; st3de long ; bred from rolled Ver- 

 bena urtifolia leaves, .v e rb e n i f o 1 i a n. sp., C. ai577a 

 bh Wings moderate, with a length about 2Y2 times the width 

 c Abdomen light brown 



d Fifth antennal segment having the stems with a length 3J/2 times 



the diameter, the distal node with a length equal to its diameter. . 



(Cecidomyia) flavomarginata Felt, C. 109 



dd Fifth antennal segment having the stems with a length thrice the 



diameter, the distal node with a length Ya greater than its 



diameter 



e Wings medium, with a length 2Y2 times the width, circumfili 



moderate ; bred from Phylloxera vastatrix galls .... 



g r a s s a t o r Fyles, C. 962, 963, 974 

 ee Wings broad, with a length only 2Y?, times the width; circumfili 



heavy ; bred from pods of Yucca angustifolia 



y u c c a e n. sp., C. 1017 

 cc Abdomen yellowish 



d Abdomen pale yellowish 

 e Basal stem of the 5th antennal segment with a length 3J/2 times 

 its diameter 



