Oxyethira barnstoni 

 Oxyethlra dualis 

 Oxyethira pallida 

 Oxyethira vema 

 Oxyethira forcipata 

 Oxyethira maya 

 Oxyethira rossi 

 Oxyethira allagashensis 



-94- 

 Plate XX 



fig. 172a lateral, 172ae aedeagus. 



fig. 173a lateral, 173ae aedeagus. 



fig. 17Aae aedeagus. 



fig. 175a lateral, 175ae aedeagus. 



fig. 176a lateral, 176ae aedeagus. 



fig. 177a lateral, 177ae aedeagus. 



fig. 178a lateral. 



fig. 179a lateral, 179ae aedeagus. 



