Bruner: South American Acridoidea. 9 



('.ciuis Truxalis Fabricius. 

 Truxalis Fabricius, Syst. Ent., p. 270 (1775). 



Truxalis, as a1 presenl restricted, belongs to the American hemi- 

 sphere, where it is represented on both continents by the following 

 named species. 



5. Truxalis brevicornis (Linnaeus). 



Gryllus brevicornis 1 inn h s, Cent. Ins. Far., p. 15 (1763). 



Truxalis brevicornis Fabrk n s, Sj t. Ent., p. 279 (1775). 



Airiliuni nisi com urn 1)e Geer, Mini. Ins., p. 449, pi. XLII, figs. 1. 2 (1773). 



nala punctipennis Serville, lli-t. Nat. Ins. Orthopt., p. 590 (1838). 

 Truxalis viridula Pai.isot de Beauvois, Ins. Afr. et Amer., p. 80, pi. Ill, fig. 1 



is.. 7 , 

 Oxycoryphtts burkharlianus Saussure, Rev. et Mag. Zool., p. 315 (1861). 

 Truxalis adspersa Blanchard, Voy. Amer. Merid., VI, pt. 2, p. 216, pi. XXVII, 

 fig. j 1 [837 [843). 



Habitat. — Specimens of this insect are at hand from Corumba and 

 Chapada, Brazil, where the} were taken during the months of March 

 and July respectively (II. II. Smith). It also occurs throughout 

 Brazil, Paraguay, much of Argentina, and northward through Central 

 America, Mexico, and the United States east of the Mississippi river, 

 even to the Canadian border. 



Genus ORPHULA Stal. 

 Orphula Stal, Reeens. Orthopt., I, p. 105 (1873). 



A genus of medium-sized locusts belonging to tropical America. 

 Species are found in both North and South American countries. At 

 least seven of them have been recognized. 



6. Orphula pagana Stal. 



Gomphocerus (Jlyalopteryx) pagana Stal, Freg. Eug. Resa., Ins., Orthopt., p. 339 



(i860). 

 Truxalis {Orphula) pagana Stal, Reeens. Orthopt., I, p. 106 (1873). 

 Orphula pagana Giglio-Tos, Boll. Mus. Zool. Anat. Torino, IX, Xo. 184, p. 9 



(18941. 



Habitat. — Corumba and Chapada near Cuyaba, Matto Grosso, 

 Brazil, March to August (11. II. Smith). Also other Brazilian, 

 Paraguayan, Bolivian, and Argentinian localities. 



Genus Orphulella Giglio-Tos. 

 The locustid genus Orphulella is typical of the New World and is well 

 represented in both Xorth and South America. It- members are 



