132 NEW YORK STATE MUSEUM 



Winnertziola Kieff. is placed as a synonym ofWinnertzia 

 Rond. since the differential characters do not appear to be con- 

 stant in American species. 



Key to species 



013 antennal segments 



b Fifth antennal segment with a stem three-fourths the length of the basal 



enlargement. Abdomen yellowish brown; length 1 mm; male 



c a r p i n i Felt, C. 106 

 bb Fifth antennal segment with a stem one-fifth the length of the basal enlarge- 

 ment. Abdomen greenish yellow; length 2 mm; female 



palustris n. sp., C. 1357 

 aa 14 antennal segments 



b Segments sessile or subsessile; females 



c Abdomen reddish brown; length 2 mm, the fifth antennal segment with a 

 length one-half greater than its diameter, the fourth palpal segment 



one-half longer than the third arizonensis Felt, C. 1022 



cc Abdomen greenish yellow; length 2 mm, the fifth antennal segment with 

 a length two and one-half times its diameter, the fourth palpal seg- 

 ment nearly twice the length of the third 



calciequina Felt, C. 673 

 ccc Abdomen fuscous yellowish; length 1.5 mm; fifth antennal segment with 

 a length two and one-half times its diameter, the fourth palpal 

 segment one-half longer than the third; reared from decaying chest- 

 nut bark pectinata Felt, C. a2i09 



cccc Abdomen fuscous yellowish, length 2mm, fifth antennal segment 

 with a length two and one-half times its diameter, fourth palpal 

 segment with a length twice that of the third. Reared from decay- 

 ing sugar maple bark aceris Felt, C. a238i 



ccccc Abdomen pale straw, length 2 mm, fifth antennal segment with a length 

 twice its diameter, the fourth palpal segment one-half longer than 



the third karnerensis Felt, C. 395 



cccccc Abdomen fuscous yellowish, length 1.5 mm, fifth antennal segment 

 with a length two and one-half times its diameter, the fourth palpal 



segment twice as long as the third 



hudsonici Felt, C. ai.555y 

 bb Fifth antennal segment with a stem one-third the length of the basal en- 

 largement; males 

 c Abdomen dark yellowish brown, length 1.5 mm, the fourth palpal segment 



twice the length of the third ampelophila Felt, C. 450 



cc Abdomen dark brown, length .75 mm, the fourth palpal segment twice 



the length of the third solidaginis Felt, C. 508 



bbb Fifth antennal segment with a stem three-fourths the length of the basal 

 enlargement; males 

 c Abdomen yellowish green basally, apically light brown, Length 2 mm; 



fourth palpal segmenl one-half Longer than the third 



calciequin a Pelt, C, 561 



cc Abdomen fuscous yellowish, length 1.75 mm; the fourth palpal segment 



one half Longer than the third; reared from decaying chestnul hark. . . . 



|hh'I 1 u a t a Felt, C. a:iog 



