PLATE XXII. 

 Male Genitalia — 



1. Lateral view of Tibicen aurifera. 



2. Caudal view of Tibicen aurifera. 



3. Caudal view of Okanagana bella. 



4. Lateral view of Okanagana bella. 



5. Lateral view of Okanagana synodica. 



6. Caudal view of Okanagana synodica 



(362) 



