GENERA INSECTORUM 



STREPSIPTERA 



Mandible and maxilla of 

 IMecliUwus rubi Saunders 



Trinzoccnt mexicana Pierce c~ 



Mandible and maxilla of 

 ~Xenos pallidus texensis fierce 



Jfrrmecolax nieineri Westwood c" 



Jlesostigmatal lobe (ventral' 

 ofJenos hubbaidi Pierce 



Ifaxilla ofStvlops 

 crawfbrdi Pierce 



Caenocholax fen^esi Pierce cf 



Mandible and maxilla of 

 Caenocliolax hmvesi Piei-ce o* 



Muiulible and maxilla of 

 Xenos pecosensis Pierce 



Mu/ulible and maxilla of 

 'Xetws bowditchi Pierce 



Stx-lops crawfbrdi Pierce d 



Xenos respartim Bossi r* 



FAM. MENGEID.PL, MYRMECOLACIDjS , HYLECHTHRIDffi,, STYLOPIDAl, XENIDi^ 



