12 PROCEEDINGS OF THE ACADEMY OF [Feb. 



ACRIDID^ (ORTHOPTERA) FROM SAO PAULO, BRAZIL, WITH DESCRIPTIONS 

 OF ONE NEW GENUS AND THREE NEW SPECIES. 



BY JAMES A. G. REHN. 



The material treated in the following paper represents the Pyrgoinor- 

 phinse and Locustinae of a collection of Orthoptera made at several 

 localities in the State of Sao Paulo, Brazil, by Mr. Adolph Hempel, and 

 presented to the Academy by the author. 



The Acridinse belonging to this collection has already been treated, 

 in conjunction with other South American material of that subfamily,, 

 in a paper in these Proceedings.^ 



PYRGOMORPHIN.E. 

 OMMEXECHA Serville. 

 Ommexecha servillei Blanchard. 



18.37. Ommexecha Servillei Blanchard, Ann. Soc. Entom. France, V, p. 

 613, PI. XXII, figs, 2 and 3. [Pro\ance of Corriente.s, Argentina.] 



Sao Paulo. September 13 and 19, 1900. (Hempel.) Three c7, 

 three 9 . 



Reboucas. September 26, 1900. (Hempel.) One c?, one 9. 



Previous records for this species are Porto Allegre, Rio Grande do 

 Sul (Karsch), Sierra Geral, Santa Catharina (Karsch), Sao Paulo 

 (Bruner), Matto Grosso (Karsch), Brazil, Asuncion and San Bernardino. 

 Paraguay (Bruner). 



LOCUSTIN.E. 



< TROPINOTUS Serville. 



Tropinotus affinis Bruner. 



1906. Tropinotus affinis Bruner, Proc. U. S. Nat. Mus., XXX, p. 646. 

 [Sapucay, Paraguay.] 



Jundiahy. April 17, 1898; September 10, 1899. (Schrottky.) 

 Two d', two 9. 



The bowed lateral carina3 of the pronotum appear to be the chief 

 diagnostic character of this species, unless this is also shared b}^ T. 

 scabripes Stal, which has not been examined. 



> Proc. Acad. Nat. Sci. Phila., 1906, pp. 10-50. 



