306 IIYMEXOPTERA OF AMERICA. TPART I. 



9, 9. Margin of 2d segment not canaliculate, or only 

 slightly refiexed. 

 10. Second abdominal segment with two free yellow 

 spots. 

 11. First segment with two yellow spots. 

 12. The spots elongate or oblique fasciae. 

 13. Smaller, very slender, cylindrical. 

 117. conformis. 

 13,13. Larger, not slender. 116. vagus. 

 12, 12. The spots rounded, or small, or triangular. 

 13. Margin of 2d segment slightly refiexed. 

 121. | collega. 



120. I Toas. 



13, 13. Margin of 2d segment punctured, not sen- 

 sibly retlexed. 119. anormis. 

 11, 11. First abdominal segment without yellow spots. 

 12. Post-scutel bipunctate with yellow. 



132. Nortonianus. 

 12, 12. Post-scutel with a yellow band. 



13. Margin of 2d segment slightly refiexed. 



121. J collega. 

 120. t Toas. 



13, 13. Margin of 2d segment not refiexed. 



14. Ornaments rufous, feet rufous, body 

 velutinous. 126. propinquus. 

 14,14. Ornaments yellow or pale ; feet black 

 and yellow, or yellow. 

 15. Small ; ornaments luteous. 



125. Kennicottianus. 

 15, 15. Ornaments yellow. 



16. Segments 1-4 margined with yel- 

 low. Abdomen ovate. 



119. J anormis. 



126. t propinquus, var. 

 16, 16. Segments 1, 2, 4 margined with 



yellow. Abdomen slender. 

 17. Body much variegated with 

 orange-yellow; femora yellow. 



122. bacuensis. 



17, 17. Body passably variegated with 

 sulphur-yellow ; femora black. 



123. pedestris. 



10, 10. Second abd. segment without free yellow spots. 

 11. First abd. segment with two yellow spots or 

 fasciae. 

 12. With two oblique fasciae. 



116. vagus, var. 



