12 PROCEEDINGS OF THE ACADEMY OF [Jan., 



SOME NOTES ON IDAHO ORTHOPTERA., WITH THE DESCRIPTION OF A NEW 



SPECIES OF TRIMEROTROPIS. 



BY JAMES A. G. REHX. 



The following notes and records are based on a small but interesting 

 collection of Orthoptera made in the month of July at Springfield, 

 Bingham County, Idaho, by Dr. Henry Skinner. One of the most 

 interesting species in the collection is Trimcrotropis rebellis Saussure. 

 a form which stood on our lists as a species unrecognized in American 

 collections for several decade^. 



MANTIDiE. 

 Litaneutria minor (Scudder). 



One female. 



This is the first exact record of the species from Idaho, Scudder's 

 only record from that State being "Southern Idaho," taken from 

 Bruner's record of " Ameles sp." 



AORIDIDiE. 

 Cordillaoris affinis Morse. 



Four females. July '_'."). 



These specimens agree with the characters given by Morse for sepa- 

 rating tnis species from C. occipitalis, and in addition the species is 

 seen to differ in the narrower interspace between the eyes. This 

 species was described from Ormsby County. Nevada, and is here 

 recorded from outside that State for the first time. 



Stirapleura delioatula (Scudder). 



One female. July 25. 



This is the first Idaho record of the species. 



Hippiscus neglectus (Thomas). 



One female. July 25. 



This specimen lacks the pale line along the posterior anal vein seen 

 in some individuals. 



Hippiscus validus Scudder. 



Two females. July 24. 



These specimens have the tegmina several millimeters longer than 

 the measurement given by Scudder for the species, which was de- 

 scribed from Blaine County, Idaho, and also exhibit other minor 



