66 GUIDE TO ORTHOPTERA 



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



Apithis Uhler. 

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



Orocharis Uhler. 

 a^. 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 fm-thest north. They are only 



known from east of the Rocky Mountains. 



