438 



UNITED STATES NATIONAL MUSEUM BULLETIN 207 



FiGTJBBS 535-539. — Males. 



535. CactohlasHs cactorum (Berg); 535a, ele- 



ments of transtilla; 535b, anellus; 

 535c, aedeagus. 



536. Cactohlastis doddi Heinrich, gnathos. 



537. Cactohlastis mundelli Heinrich, gnathos. 



538. Cactohlastis hucyrus Dyar: 538a, elements 



of transtilla; 538b, anellus; 538c, 



639. Cahela ponderosella (Barnes and Mc- 

 Dunnough), type; 639a-c, various 

 modifications of apical process of 

 gnathos; 539d, elements of transtilla; 

 539e anellus; 539f, aedeagus. 



539 ponderosella 



