298 PROCEEDINGS OF THE NATIONAL MUSEUM vol. loi 



cochisei 

 poecilus 



Figure 64. — Structural details of male specimens of Barytettix: a, B. cochisei, new 

 species, holotype, lateral view of aedeagus ; b, B. cochisei, dorsoposterior view of 

 aedeagus; c, B. humphreysii (Thomas), Santa Catalina Mountains, Ariz., lateral 

 view of aedegus; d, B. humphreysii, Santa Catalina Mountains, Ariz., dorsopos- 

 terior view of aedeagus; e, B. crassus Scudder, topotype, lateral view of aedeagus; 

 f, B. crassus, dorsoposterior view of aedeagus; g, B. poecilus (Hebard), paratype. 

 Villa Union, Sinaloa, Mexico, lateral view of aedeagus; //, B. poecilus, paratype, 

 Villa Union, Sinaloa, Mexico, dorsoposterior view of aedeagus; i, B. cochisei, para- 

 type, Douglas, Ariz., cercus; ;, B. humphreysii, Santa Catalina Mountains, Ariz., 

 cercus; k, B. crassus, topotype, cercus; /, B. poecilus, paratype. Villa Union, Mex., 

 cercus; m, B. cochisei, paratype, Don Luis, Ariz., supra-anal plate. (B-1, baaal 

 lobe of aedeagus; D-v, dorsal valve; V-v, ventral valve.) 



