146 



ORTHOPTERA. 



cc. 



/. Vertical scutellum hexagonal or heptagonal, broader 

 than long, the sides very rapidly narrowing in front 

 and distinctly angulate next the front edge of the 

 eye. The light transverse markings of the apical 

 half of the tegmina scarcely more than one-half as 



broad as the darker markings [2. puntherinus, Scudd.] 



ff. Vertical scutellum longer than broad, pyriform, the 



sides distinctly rounded and less rapidly narrowing. 



Light markings of the apical half of the tegmina 



almost or quite as broad as, or even broader than, 



the darker markings. 



ff. Granules on the dorsum of the metazona by their 



confluence distinctly following lines forming 



oblique rugae parallel to the hind margin. 



Lateral canthi of the pronotum as distinct and 



sharp on the hinder portion of the prozona as on 



the front part of the metazona [3. haldemani, Scudd.] 



gg. Granules on the dorsum of the metazona rarely 

 confluent, and when this is the case showing no 

 marked tendency to follow lines parallel to the 

 hind margin. Lateral angles or ridges of the 

 pronotum much less distinct and duller on the 

 hinder part of the prozona than on the front 



part of the metazona 4. texanus, Scudd. 



dd. Frontal costa not at all or scarcely narrowed at its upper 

 extremity, always more than one-third, sometimes nearly 

 one-half, the width of the space between the eyes ; 

 the scutellum of the vertex divided by longitudinal 

 and transverse carinas into four subequal quadrants. 

 Calcaria of hind tibiae markedly unequal on the 

 opposite sides. 

 e. Lateral canthi of the pronotum not very sharp, inter- 

 rupted and devious between the sulci ; the metazona 

 of the ? distinctly longer than the prozona, the 



former comparatively smooth . . . . ■ . . . . [5. rugosus, Scudd.] 

 ee. Lateral canthi of the pronotum acute, continuous 

 throughout, arcuate; metazona of the $ scarcely 

 longer than the prozona, the former with the disc 



moderately rugose 6. ocelote, Sauss. 



Anterior extremity of the scutellum of the vertex prolonged, 

 narrowing gradually, in front less than half the width at 

 the middle ; hind margin of the pronotum acutely angled 

 (rarely, by variation, rectangulate) ; markings of tegmina 

 hardly or not at all pantherine. 



