66 GUIDE TO ORTHOPTERA 



c l . Fore tibiae with auditory foramen on the inner face only. 



Apithis Uhler. 

 c 2 . Fore tibiae with auditory foramina on both faces. 



Orocharis Uhler. 



a 2 . Tegmina of male like those of the female without tympanum. 



Metrypa Brunner. 



All these genera, which have only one or two species each, are 

 confined or nearly confined to the Southern States, Apithis and 

 Orocharis ranging much the furthest north. They are only 

 known from east of the Rocky Mountains. 



