54 PROCEEDINGS OF THE NATIONAL. MUSEUM vol.78 



7. Propodeum rugose between the apophyses. 



tinctipennis Cameron, female, male (Panama), 

 rugulosus Szepligeti, male (Bolivia). 

 (No difference between these two species appears in the descrip- 

 tions.) 

 Propodeum smooth between the apophyses. 



minutus Cushman, female (Brazil). 



8. Frontal horn white riojanus Brethes, male (Argentina). 



Frontal horn black 9. 



9. Apophyses very large areolatus Cushman, female (Panama). 



Apophyses small or moderate in size 10. 



10. Frontal horn large; apophyses in female not especially reduced, in male 



tuberculiform boliviensis Cushman, female, male (Boliva), 



Forntal horn and apophyses much reduced 11. 



11. Stigma black; 15 mm clypealis Szepligeti, male (Bolivia). 



Stigma yellow ; smaller testaceus Taschenberg, variety. 



12. Propodeum without apophyses. 



testaceus Taschenberg, female, male (Brazil). 

 Propodeum with apophyses 13. 



13. Scutellar carinae white; apophyses short nigriceps Brulle, male (Brazil), 



Scutellar carinae not white 14. 



14. Palpi testaceous 15. 



Palpi yellow 17. 



15. Apical carina complete, apophyses low cariniform ; ovipositor sheath fully 



as long as hind tibia bicarinatus Cushman, female (Panama). 



Apical carina absent, apophyses long ; ovipositor sheath much shorter than 

 hind tibia 16. 



16. Ovipositor sheath a little longer than first segment of abdomen. 



xanthocarpus Szepligeti, female (Bolivia). 

 Ovipositor sheath much longer than first segment. 



inornatus Cushman, female (Panama). 



17. Apophyses long and acute lucidator Erichson, female (British Guiana). 



Apophyses of moderate size, conical, a little longer than wide at base. 



melanocephalus Cameron, female (British Guiana). 



18. Orbits black 19. 



Inner orbits white 20. 



19. Areolet more quadrate testaceus Taschenberg var. 3 (Venezuela). 



Areolet elongate; ovipositor long. 



caudatus Szepligeti, female (Panama; Bolivia). 



20. Frontal horn black 21. 



Frontal horn white at least at apex 22. 



21. Scutellum conical similis Szepligeti, male (Venezuela). 



Scutellum convex ; occipital carina prominent below ; malar space much 



shorter than basal width of mandible. 



ornatifrons Cushman, female (Panama). 



22. Face black albispina Szepligeti, female (Bolivia). 



Face white, at least at sides 23. 



(pallidus Cresson, male [Mexico]. Will run no farther in key on 

 basis of original description.) 



23. Propodeum longitudinally impressed ; second recurrent vein not interstitial. 



szepligetii, new name, female (Bolivia). 



( = canaliculatus Szepligeti [not Cameron]). 



Propodeum not impressed 24. 



