yellow. 



J 135. C 



308 HYMENOPTERA OF AMERICA. [PART I. 



14. Metathorax rough, rather angulate ; 5th 

 segment margined with yellow. 



129. Texensis, var. 

 14, 14. Metathorax rounded, rather rough ; 5th 

 segment not margined. 



127. Pennsylvanicus. 

 13, 13. The third segment margined with yellow. 

 14. The following segments margined with 

 147. i Euro. 



my st ecus. 

 14, 14. Segments 1-4 margined with yellow. 

 15. Margin of 2d segment rather reflexed. 

 121. collega, var. 

 15, 15. Margin of 2d segment not reflexed. 

 lb'. Only the segment 1-4 J, 1-5 % 

 margined with yellow. 

 17. Body elongate ; ahdomen cylin- 

 drical ; metathorax depressed, 

 flattened. 130. fasciculatus. 

 17,17. Body not so slender; ahdomen 

 more ovate, contracted at base ; 

 metathorax short, rounded. 



133. Victoria. 

 16,1*5. All the segments margined with 



yellow. 

 17. Ornaments luteous ; anus black. 

 125. f Kennicotlianus. 



134. tinea. 

 17, 17. Ornaments yellow. 



18. All the margins wide; anus 

 yellow. 137. mayus. 

 18, IS. The last margins narrow; anus 



black. 13S '{ Vict0ricB ' 

 134. I Inca. 



8,8. Posterior margin of prothorax adorned with yellow, 

 and often also its anterior margin quite black. 

 9. A free spot on each side of the 2d abd. segment. 



126. prnpiitquus. 

 9, 9. No free spot <n the 2d segment. 



10. Quite slender; only the first two segments mar- 

 gined with pale sulphur-yellow. 

 11. Feet black ; tibia? often maculate with yellow. 

 Small. 143. totonacus. 



Very small. 144. coyotus. 



11,11. Tibia? and tarsi fulvous. 145. Tacubayce. 

 10,10. Not so slender, abd. more ovate; ail the seg- 

 ments margined with yellow. 

 11. Metathorax rugose, reticulately rugose or 

 punctate. 



