-40- 



19. Rods of 9th segment 

 straight, reaches to sub- 

 genital plate. 8th segment 

 lateral lobes wide, trian- 

 gular shaped at apex. fig. 170 aeola Ross 1938 



- Rods of 9th segment curve 

 slightly vent r ad and then 

 dorsally at apical part, 



apex acute. fig. 171 abacatlca Denning 1947 



20. Aedeagus. A single tube 

 with enlarged tip; tip con- 

 tains eversible teeth. fig. 173 dualis Morton 1905 



- Aedeagus; with apical por- 

 tion divided into two or 



more parts. "21 



21. Aedeagus with apical por- 

 tion of 3 parts, two long 

 and one short (spiral pro- 

 cess) . 9th segment with 

 dorsal apico-lateral pro- 

 jections, fig. 174 pallida Banks 1904 



- Aedeagus with apical por- 

 tion of 2 parts. ~22 



22. Aedeagus with long acute 

 main apical portion and a 

 long, stout tooth approxi- 

 mately 1/2 as long as main 

 part, arising at junction 

 of apical portion and 



base. fig. 175 verna Ross 1938 



- Aedeagus without a long, 



stout tooth as above. -23 



23. Aedeagus with a long slen- 

 der apical portion, ex- 

 panded at tip. Spiral pro- 

 cess small closely ap- 



pressed to central part. fig. 176 forciplta Mosely 1934 



- Aedeagus apical part 

 stouter, spiral process not 

 appressed to central por- 

 tion. -2^ 



