AMERICAN HYMENOPTERA. 88 



9. Almost black thaitiyras (Fox). 



Castaneous 10. 



10. Processes very pronounced, second segment liroad, legs dark. 



siilttenuiiii u. sp. 

 Processes not pronounced, second segment slender, legs pale. 



triiiiculiis n. sp. 



11. Punctures of first two segments strong, abdomen broad <*rii<'i!<» n. sp. 



Punctures of first two segments weak, abdomen slender . . -alenion (Fox). 



12. First and second abdominal segments polished, inipunctate- • .S«*rcus n. sp. 

 First and second abdominal segments more or less, but always, distinctly 



punctured 13. 



13. Proce.sses broad and blunt 14. 



Processes short spurs 16. 



14. Pubescence golden «*xogyrus Viereck. 



Pubescence white 15. 



15. Second segment coarsely punctured, processes broadly truncate. 



<'laii(l«*<«linii!it Viereck. 

 Punctures ou second segment small, widely separated, processes blunt. 



alainoniw n. sp. 



16. Large, 9 mm. and over 17. 



Smaller, 8 mm. and less 19. 



17. Mandibles short, broad and heavy iuelli<'ausa (Blake). 



Mandibles long and slender 18. 



18. Very dark castaneous aTellaiiiis n. sp. 



Pale testaceous ISA. 



18i. Space between ocelli black COiieolor (Cress.). 



Space between ocelli concolorous with head brevicornis Fox. 



19. Dark castaneous 20. 



Pale castaneous 21. 



20. Wings strongly brown f'allax n. sp. 



Wings pale, faintly yellowish iiidotHtu!^ n. sji. 



21. Antennae pale yellowish 22. 



Antennse dark 23. 



22. Abdomen slender, first submarginal cell narrow, about foui- times as long as 



high leri*ilii$ii (Cockerel I). 



Abdomen broad, first submarginal cell broad, about twice as long as high. 



aiigu!>«tiiM n. sp. 



23. Legs dark SiiCCinetiN Viereck. 



Legs pale delodoiitus n. sp. 



04lontophotop!>ii!« Teiiiii^tns Blake). 



Phoiopsis venuslus Blake, Tr. Am. Ent. Soc, xiii. 270, % , 1S86. 

 Mutilla pretiosissima Dalla Torre, Cat. Hym., viii, 73, % , 1897. 



Type, Coll. Am. Ent. Soc. Philii. Type locality, Arizona. 



Odoiitophotop««is tapajos (Blake). 



Agamn tapnjos Blake, Tr. Am. Ent. Soc, iii, 2()2, % , 1871. 

 Agama astynax Blake, ibid, vii, 254, %, 1879. 



TRANS. AM. ENT. SOC. XXX. MARCH. 1904 



