330 PROCEEDINGS OF THE ACADEMY OP [May, 



Subfamily LOCUSTIN^. 

 Coryacris angustipennis (Bmner). 



1900. Elceochlora angustipennis Bruner, Sec. Rep. Merch. Locust Invest. 



Comm. Buenos Aires, p. 58. [Rosario, Prov. of Santa Fe, Argentina.] 

 1909. Coryacris diversipes Rehn, Proc. U. S. Nat. Mus., XXXV, p. Ill, 

 figs. 1 and 2. [Corumbd, Matto Grosso, Brazil] 



Posadas, Misiones. March 6 and 7, 1909; April 8, 1910. Two 

 males, one female. 



These specunens have been compared with a paratypic female 

 of diversipes from Cuyaba, IMatto Grosso, and found to be inseparable. 

 Bruner has recently established the above synonymy,^^ which 

 appears to be correct. 



The localities given above are all that are known for the species. 

 Prionolopha serrata (Linnseus). 



1758. [Gryllus (Bulla)] serratus Linnaeus, Syst. Nat., X ed., p. 427. 

 ["Indiis."] 



Embarcacion, Prov. of Salta. April, 1911. One female. 



This striking species, which ranges northward to northern South 



America, has been recorded from as far south as Tucuman and 



Resistencia nel Chaco, Argentina. 



Diedronot'us laevipes (Stai). 



1878. T[rapidonotus] Icevipes St&l, Bihang till K. Svenska Vet.-Akad. Handl., 

 V, No. 9, p. 20. [Sao Leopoldo, Brazil; Argentine Republic] 



IViisiones. January 10, 1911; January 12 and 26, 1910; November 

 26, 1909. (Nos. 21 and 34.) Three males, one female. 



This interesting form has been recorded from a number of localities 



extending from southern Brazil and Paraguay south as far as 



Buenos Aires. According to Bruner, it inhabits the open "camp." 



Diedronotus angulatus (S&tl). 



1873. T[ropinotus] angulatus Stai, Ofv. Kong. Vet.-Akad. Forh., 1873, 

 No. 4, p. 52. [Bahia, Brazil.] 



Jujuy, Prov. of Jujuy. April, 1911. Two males. 



Embarcacion; Prov. of Salta. April, 1911. One female. 



This species has been recorded from several Brazilian localities 

 south to as far as Asuncion, Villa Rica, and Sapucay, Paraguay, and 

 Tucuman, Argentina (Giglio-Tos) , the latter being the only previous 

 Argentine record. 



Diedronotus discoideus (Serville). 



1831. Tropinotus discoideus Serville, Ann. Sci. Nat., XXII, p. 273. [Brazil.] 



Misiones. March 26 and 30, 1909; April 12 and 20, 1910; Sep- 

 tember 16, 1910. Two males, four females. 



^ Ann. Carneg. Mm., VIII, p. 53. 



