-18- 



39. Aedeagus with extreme apex 

 forked. 10th tergite la- 

 teral arms blunt at apex. 

 Claspers with a gradual 45° 

 curve at apex. fig. 



- Aedeagus not forked, apex 

 acinate. 10th tergite with 

 lateral arms rounded at 

 apex. Claspers strongly 



71 



xera Ross 1938 



curved, 90 at apex. 



fig. 72 



salmo Ross 1941 



40. Claspers with dark sclero- 

 tized elevation on lateral 

 margin midway between 



base and apex. fig» 73 



- Claspers without such ele- 

 vation. 



41. Claspers gradually widening 

 from base to apex, apices 

 oblong, ovate, converging. 

 Lateral arms of 10th ter- 

 gite tapering to acute 



points. fig* 74 



- Claspers not oblong, ovate 

 nor widening from base to 

 apex. 



42. Claspers regularily tri- 

 angular, ventral aspect, 

 base widest; aedeagus: tu- 

 bular central process ex- 

 posed at tip; subgenital 

 plate triangular. 10th ter- 

 gite broad, weakly tri- fig« 75. 

 lobed in ventral view. 



- Clasper triangular, or 

 straight; 10th tergite with 

 3 lobes or rounded at 

 apex. 



43. Clasper triangular; 10th 

 tergite 3 lobed, broad; 

 central lobe broad flat, 

 lateral ones ear-shaped. 

 Aedeagus with a trans- 

 parent alate structure. fig. 76 



Clasper straight, or 

 nearly so. 



albicornis Hagen 1861 

 -41 



melia Ross 1938 



-42 



decia Etneir & Way 

 1973 



-43 



lloganae Blickle 1961 

 -44 



