THE CANADIAN ENTOMOLOGIST. 307 



1 3. Ocelli large ; submedian cell not or rarely much longer than the 



median ; first abdominal segment closely punctate. (North 



America.) Photopsis, Blake. 



(Type P. imperialis, Blake.) 

 Ocelli small ; submedian cell longer than the median; first abdominal 

 segment smooth, impunctate. (North 



America.) Nomi?ephagus, Ashmead. 



(Type Mutilla Sanbornii, Blake.) 



14. Ocelli large; submedian cell a little longer than the median ; two 



recurrent nervures, the second, however, sometimes incomplete or 

 subobsolete at apex; first joint of the flagellum about twice as long 



as thick. (North America.) Pyrrhomutilla, Ashmead. 



(Type Sphaerophthalma anthophorse, Ashm.) 



15. Mesonotum without parapsidal furrows 16. 



Mesonotum with parapsidal furrows 18. 



16. Thorax about twice as long as wide, not wider than the head 17. 



Thorax not much longer than wide, wider than the head. 



Submedian cell not longer than the median ; flagellum cylindrical, 

 tapering off at apex, the fourth joint not much longer than the 

 second; second ventral segment more or less conically produced 

 or elevated at basal middle. (Australia. ).Eurymutilla, Ashmead. 



(Type Mutilla afiinis, Westw.) 



17. Submedian cell longer than the median ; flagellum cylindrical, the 



first joint shorter than the second; second ventral segment normal. 



(.\ustralia.) Ephutomorpha, .\ndre. 



(Type Mutilla aurata, Fabr.) 



18. Front wings with two cubital cells 19. 



Front wings with three cubital cells. 



Head subglobose; ocelli small. Australia. Bothriomutilla, Ashmead. 



(Type Mutilla rugicollis, VVeslw.) 

 19 Head subquadrate ; ocelli small: mandibles excised beneath, 2- or 



3-dentate {teste KxvAxL) (South America.) Tallium Andre. 



(Type Mutilla tenebrosa, Gerst.) 



20. Thorax not or hardly twice as long as wide, usually narrowed 



posteriorly, but never very elongate 21, 



Thorax elongate, thrice as long as wide, or nearly, obpyriform .... 29. 



21. Thorax at least i}^ times as long as wide, obtrapezoidal, obovoid, 



obpyriform, or banjo shaped, or nearly 24. 



