-22- 



1. Claspers prominent, elon- 

 gate, 2x or more as long 

 as wide 



- Claspers short, hook shape, 

 square, or curved. 



2. Claspers fused to form a 

 long ventral plate; apex 



narrow, upturned, covered fig. 94 minutisimell. 

 with long setae. bers) 1873 



- Claspers not forming setae 

 covered plate. 



3. 9th segment with outer la- 

 teral process divided to 

 form long dorsal and ven- 

 tral fingers. fig. 95 kitae Ross 19 



- 9th segment with outer la- 

 teral process simple. 



4. Claspers with dorsal hook 

 that reaches 2/3 of its 

 distance to apex. Aedeagus; 

 wide tubular base, long 

 narrow neck; spiral process 

 encircling tube slightly 

 over one revolution; apex 

 cylindrical, incised at 



tip. fig' 96 osmena Ross 19 



- Claspers without dorsal 

 hook 



5 . Aedeagus apex membranous ; 

 spiral process encircling 

 structure 1/2 turn, pro- 

 jecting towards apex; api- 

 cal part ends in 2 sclero- 

 tized hooks, side by side; 

 an arrow shaped hook con- 

 nected to internal duct. fig. 97 erstis Denni 



- Aedeagus apex sclerotized. 



6. Aedeagus with a pair of 

 sclerotized hooks at apex. 



- Aedeagus without a pair of 

 sclerotized hooks at apex. 



