30 GUIDE TO ORTHOPTERA 



A^. Temporae longate, narrow, from two to four 

 times as long as broad ; apical spur on inner side 

 of posterior tibiae much less than twice as long 

 as the one beside it. 

 i^. Antennae filiform. 

 J\ Median carina of the pronotum cut in 

 the middle ; posterior margin of the prono- 

 tum plainly more angulate than the anterior. 

 Stenobothrus Fischer. 

 J^. Median carina of the pronotum cut 

 plainly behind the middle ; posterior margin 

 of the pronotum not more angulate than the 

 anterior. . . Bruneria McNeill. 



i^. Antennae clavate. 



Gornphocerus Thunberg. 

 h^. Tempora short, little longer than broad or, 

 when twice as long as broad, the apical spur on 

 the inner side of the posterior tibiae is twice as 

 long as the one beside it. 



*■ ^. Posterior margin of the metazona straight 

 or just perceptibly angulate ; pronotum shorter 

 than the head, which is very large. 



Evpnigodes McNeill. 



i ^. Posterior margin of the metazona distinctly 



or strongly angulate ; pronotum never shorter 



than the head, generally jjlainly longer (viewed 



from above). 



j ^. Median carina of the pronotum cut by 



principal sulcus behind the middle ; vertex 



of the head destitute of a median carina; 



posterior margin of the metazona generally 



very obtusely angulate or rounded. 



k^. Generally larger forms. Median 

 carina of prozona cut by the transverse 

 sulci ; foveolae of male vertex triangular 

 or subtriangular ; hind tibiae blue ; lower 



