PLATE XX. 

 Male Genitalia — 



1. Caudal view of Tibicen dealhota. 



2. Lateral view of Tibicen dealbata. 



3. Caudal view of Tibicen resh. 



4. Lateral view of Tibicen resh. 

 5.- Caudal view of Tibicen dorscta. 

 6. Lateral view of Tibicen dorsata. 



(358) 



