No. 22.] HYMENOPTERA OF CONNECTICUT. 205 



inal segment granular or lineolate, dorsal segments finely- 

 granular, not thickened or leathery; apical half of abdo- 

 men mostly brown; head blackish above; body mostly 

 reddish stramineous 8 



6. Mesopleurae not sculptured throughout 7 



Mesopleurae sculptured throughout quinnipiaconim 



7. Depressed portion of mesopleurae or episternauli not sculp- 



tured; abdomen yellowish throughout beyond second seg- 

 ment; scape black above podunkorum 



Depressed portion of mesopleurae or episternauli sculptured; 

 scape not at all black nawaasorum 



8. Dorsulum not blackish, but reddish like rest of thorax konkapoti 

 Dorsulum blackish; body mostly reddish scanticorum 



9. Second dorsal abdominal segment without a dark or black- 



ish mark at base and without a coarsely wrinkled basal 

 median area; abdomen entirely pale, at least beyond first 

 segment; fifth and sixth segments granular or lineolate, 



dorsal segments not leathery 10 



Second dorsal abdominal segment with a dark or blackish 

 mark at base 13 



10. Abdomen not entirely pale, at least first dorsal plate more 



or less black 11 



Abdomen entirely pale; propodeum in female with a carina 

 or sculpture from base to the middle or beyond, in male 

 without a carina or sculpture to middle dorsator var. mellitor 



11. Thorax entirely black; propodeum without a carina or sculp- 



ture from base to middle 12 



Thorax not entirely black; propodeum in female with a carina 

 or sculpture from base to middle or beyond, in male with- 

 out a carina or sculpture to middle dorsator 



12. Head entirely black; fore and mid coxae black . . . connecticutorum 

 Head not entirely black; fore and mid coxae reddish brown 



massasoit 



13. Apical half of abdomen entirely or mostly pale, stramineous 



or yellowish 14 



Apical half of abdomen mostly brown or blackish 15 



14. Propodeum without a carina or sculpture from base to 



middle montowesei 



Propodeum with a carina or sculpture from base to middle 

 or beyond ' dorsator var. lixi 



15. Dorsulum not entirely black; scape blackish 16 



Dorsulum entirely black l8 



16. Propodeum with a carina or sculpture from base to middle 



or beyond 17 



