REPORT OF THE STATE ENTOMOLOGIST IC)I2 1 73 



Key to species 



a 12 antennal segments, subsessile ; females 

 b Chitinous collar incised 

 c Length 1 mm; abdomen dark yellow; fifth antennal segment with 

 a length one-quarter greater than its diameter, the fourth palpal 

 segment one-half longer than the third, .defectiva Felt, C. 715 

 bb Chitinous collar intact, not incised 

 c Wings long, narrow 

 d Length 1 mm; abdomen brownish yellow; fifth antennal segment 

 with a length twice its diameter, the fourth palpal segment 



twice as long as the third silvana Felt, C. 883 



dd Length 1 mm; abdomen dark brown; fifth antennal segment with 

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



segment one-half longer than the third 



m o n i 1 i s n. sp., C. 1296 

 cc Wings medium or small 



d Length 1 mm; abdomen fuscous yellowish; fifth antennal seg- 

 ment with a length one-third greater than its diameter, the 



fourth palpal segment one-half longer than the third 



simulator Felt, C. 885 

 aa 13 antennal segments, sessile; females 



b Chitinous collar rudimentary; fifth antennal segment with a length 

 one-quarter greater than its diameter 

 c Length 1.5 mm; abdomen dark brown; fourth palpal segment one- 

 quarter longer than the third longipennis Felt, C. 733w 



bb Chitinous collar well developed; fifth antennal segment with a length 

 one-half greater than its diameter 

 c Wings long, slender 



d Fifth tarsal segment of the posterior leg with a length one and 

 one-half to twice its diameter 

 e Length 1 mm ; abdomen dark brown ; fourth palpal segment 

 one-half longer than the third; terminal lobe of the ovipositor 



broadly oval tsugae Felt, C. 166 



dd Fifth tarsal segment of the posterior leg with a length 2 to 3 

 times its diameter 

 c Length 1.5 mm; abdomen dark brown; fourth palpal segment 

 one-half longer than the third, dilated; terminal lobe of the 



ovipositor orbicular 



boulderensis Felt, C. 886, C928, ? C. 1378 

 ee Length 2 mm ; abdomen fuscous yellowish ; fourth palpal seg- 

 ment one-half longer than the third, slender; terminal lobe of 



the ovipositor broadly oval. dilatata Felt, C. 1109 



cc Wings broad 



d Length 2.5 mm ; abdomen dark reddish brown ; fourth palpal 



segment twice as long as the third 



1 a t i p e n n i s Felt, C. ai4S7 

 aaa 14 antennal segments, stemmed ; males 



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

 enlargement 



