TKIMEKOTBOPIS. 181 



This insect is common in the extreme western part of Dimmit County, Texas, and 

 occurs in Mexican territory on the opposite side of the Rio Grande. 



7. Trimerotropis tolteca, Sauss. 



(Edipoda tolteca, Sauss. Rev. et Mag. Zool. xiii. p. 397 (1861) *; Thomas, Acrid. N. Am. p. 215 



(1873) 2 . 

 Trimerotropis tolteca, Sauss. Prodr. OEdip. p. 169 (1884) 3 ; McNeill, Proc. U.S. Nat. Mus. xxiii. 



p. 429 (1901) 4 . 



Hah. Mexico, in temperate and higher regions, Orizaba, Oaxaca 1_4 . 

 Not contained in the collections at hand for study. 



8. Trimerotropis pistrinaria, Sauss. 



Trimerotropis pistrinaria, Sauss. Prodr. OEdip. p. 173 (1884) 1 ; McNeill, Proc. U.S. Nat. Mus. 

 xxiii. p. 430 (1901) 2 . 



Hah. North America, Texas. — Mexico, Zacatecas x , Durango and Colonia Garcia 

 (coll. L. Bruner). 



9. Trimerotropis melanoptera, McNeill. 



Trimerotropis melanoptera, McNeill, Proc. U.S. Nat. Mus. xxiii. p. 430 (1901) l ; Rehn, Proc. 

 Acad. Nat. Sci. Philad. 1902, p. 722 2 . 



Hah. North America, Silver City and Sacramento Mts., New Mexico. — Mexico, 

 Northern Chihuahua (L. Bruner). 



10. Trimerotropis californica, Bruner. 



Trimerotropis californica, Bruner, Proc. U.S. Nat. Mus. xxiii. p. 431 (1901) \ 



Hah. North America, Los Angeles, California 1 . — Mexico, Northern Sonora 

 (L. Bruner). 



11. Trimerotropis pallidipennis, Burm. 



(Edipoda pallidipennis, Burm. Handb. Ent. ii. p. 464 (1839) * ; Thomas, Acrid. N. Am. p. 218 



(1873) 2 . 

 Trimerotropis pallidipennis, Sauss. Prodr. OEdip. p. 171 (1884) 3 ; McNeill, Proc. U.S. Nat. Mus. 



ixxiii. p. 437 (1901) \ 

 (Edipoda straminea, Erichs. in Schomburgk's Faun, und Flor. Brit. Guiana, p. 582 (1848) 5 . 



Hah. Mexico 3 , Amula in Guerrero (H H. Smith), Orizaba (H. H. Smith & F. 1). 

 Godman), Tlalpam, Agua Calientes, and Zacatecas (L. Bruner), Distrito Federal 

 (0. W. Barrett) ; Central America 1 3 . — South America, Guiana 5 . 



This species seems to be common and rather widely distributed over Middle and 

 Southern Mexico, and from there southward into South America, almost or quite to the 



