52 Annals of the Carnegie Museum. 



acute; disk of hind lobe provided on each side with two rather promi- 

 nent converging raised lines. Tegmina wide for this genus, quite 

 closely veined and coriaceous on basal half, less dense on apical 

 portion, the apex subobliquely docked. Wings a little less than twice 

 as long as broad, all of the costal field, the anterior portion of radial 

 field, and a broad border on the latter, strongly infuscated, the fenes- 

 trate area alone transparent. Abdomen robust, strongly carinated 

 above. Hind femora robust, as long as the abdomen, granular, and 

 somewhat serrate; hind tibiae moderately heavy, the outer edge pro- 

 vided with eleven spines. Prosternal spine large, robust, and the 

 apical half strongly bent to the rear. 



General color cinereo-testaceous, more or less varied on sides of 

 head, pronotum, pleura, and tegmina with ferruginous and dull 

 brown. The tegmina with faint traces of the characteristic dark 

 basal maculae and subapical transverse fasciae so characteristic of 

 discoideus. 



Length of body, 9 , 50 mm., of pronotum, 17.5 mm., of tegmina, 45 

 mm., of hind femora, 30 mm. 



Habitat. — The only specimen at hand, the type, bears the label 

 "Montevideo." It is in the Carnegie Museum. 



As indicated by the name, the present species has the wings very 

 strongly infuscated, save in the basal portion of the radial field, where 

 the color is bright orange. 



70. Diedronotus regularis (Bruner). 



Tropinotus regularis Bruner, Ent. News, XVI, pp. 215, 216 (1905). 

 Diedronotus regularis Kirby, Syn. Cat. Orthopt., Ill, p. 361 (1910). 



Habitat. — Chapada, Brazil, in July, a single female (H. H. Smith). 

 Mr. Rehn's Tropinotus guarani is quite closely related to this insect. 



71. Diedronotus scabripes (Stal)? 



Tropidonolus scabripes Stal, Obs. Orthopt., Ill, p. 19 (1878). 

 Tropinotus scabripes Bruner, Ent. News, XVI, p. 215 (1905). 

 Diedronotus scabripes Kirby, Syn. Cat. Orthopt., Ill, p. 361 (1910). 



Habitat. — The single female specimen in the present collection was 

 taken in June at Chapada, near Cuyaba, Matto Grosso, Brazil (H. H. 

 Smith). 



72. Diedronotus attenuatus (Rehn). 



Tropinotus attenuatus Rehn, Proc. U. S. Nat. Mus., XXXVI, pp. 1 18-120, figs. 

 6, 7 (1909)- 



