-20- 



49. Spiral process small, not 

 extending towards aedeagus 



tip. fig. 81 



Spiral process stout, ex- 

 tending towards aedeagus 

 tip. 



50. 10th tergite with mesal 

 sclerotized strap; mem- 

 branous laterally fig« 82 



- 10th tergite sclerotized 

 laterally. 



51. Claspers Ax as long from 

 lateral projection to tip 

 as width of clasper at 



this point. fig. 83 



- Claspers less than 4x as 

 long. 



52. Apex of 10th tergite 



rounded. fig* 84 



Apex of 10th tergite 



emarginate. fig* 85 



53. 10th tergite with apex of 

 lateral arms pointed, 

 thorn-like mesal lobe mem- 

 branous, fig. 86 



- 10th tergite without 

 acutely pointed lateral 

 arms. 



54. Claspers diverging at 

 apex. 



- Claspers converging at 



apex. fig* 87 



55. Aedeagus straight. 



- Aedeagus with apical part 

 curved or apex bent at 

 angle. 



56. Aedeagus with apical part 

 blade like. Subgenital 



plate triangular. fig. 88 



- Aedeagus with apical part 

 not blade like. Subgeni- 

 tal plate forked at apex. 



scolops Ross 1938 



-50 



perdita Morton 1905 



-51 



a.jax Ross 1938 



-52 



pecos Ross 1941 



icona Mosely 1937 



tusculum Ross 1947 



-54 



-55 



latosa Ross 1947 



-56 



-57 



fig. 89 



quinola Ross 1941 



novicola Blickle & 

 Morse 1954 



