94 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



[Bull. 



constricted a little in front of the middle, about as long as deep. 

 Tegmina extending considerably beyond the abdomen, especially 

 in the male. Hind femora broad, flattened. 



Fig. a8. a. Hippiscus rugosus, female. 

 b. Hippiscus tuber cztlai us, female. 

 Lateral view of head and pronotuin. 



Key to species. 



Vertex much produced in front of eyes. Pronotum with the 

 hind margin of vertex acutely angled. The prozona 

 much shorter than the metazona tuberculatus 



Vertex less produced in front of eyes. Pronotum with the 

 hind margin of vertex obtuse (female) or right-angled 

 (male). The prozona and metazona about equal in length 



rugosus 



H. tuberculatus Palisot de Beauvois. Coral-winged Locust. 

 Plate VIII, 8, 9. 



Vertex considerably produced, sloping downward, and meet- 

 ing the front at an angle (Fig. 28b). The lateral carinae are dis- 

 tinct and are continuous with those of the frontal costa. Median 

 carina distinct on occiput and extending to center of disk. 

 Foveolae very small, triangular. Pronotum with the disk granu- 

 lated with small roundish tubercles. Hind femora very broad 

 and flattened. General color ash-brown, darker above. Antennae 

 yellowish at base, darker towards the apex. Pronotum with a 

 short longitudinal bar on the middle of the lateral lobes. Teg- 

 mina with fuscous and black patches. Humeral angle usually 



