Bruner : Sou i'ii American I .< >ci I i 5 



ri'll cci rd by J. Steinbach al an elevation of 450 meters above sea level, 

 and bears the accession number 4.^40, also " 9 No. 7 with its 4 ova." 

 Tlir latter, no doubt, were saved when the specimen was prepared. 



Genus Lopha< ris Scudder. 



Lophacris Sci DDER, Proc. Bost. Soc. Nat. Hist., XII, p. 353 (1869); Pictet et 

 Sai ssure, Mittli. Schweiz. Ent. Ges., VII, p. 363 (1887). 



82. Lophacris olfersi (Burmeister). 



Acridium olfersii Burmeister, Handb. Ent., II, p. 628, No. 4 (1838). 



Lophacris olfersii SCUDDER, Proc. Bost. Soc. Nat. Hist., XII, p. 354, No. 1 (1869); 



Kirby, Syn. Cat. Orthopt., Ill, p. 378 (1910). 

 Titanacris olfersii Pictet et Saussure, Mitth. Schweiz. Ent. Ges., VII, p. 363 



(1887). 

 Acridium semirubrum Skryille, Ins. Orthopt., p. 653, No. 13 (1839). 



Habitat. — The three males and one female at hand bear the simple 

 label "South America." Undoubtedly they were taken in Brazil or 

 the < ruianas. 



Having been preserved in spirits they have lost their beautiful and 

 striking colors. 



Genus TROPIDACRIS Scudder. 



Tropidacris Scudder, Proc. Bost. Soc. Nat. Hist., XII, p. 346 (1869); Stal, Recens. 

 Orthopt., I, pp. 31, 48 (1873); Pictet et Saussure, Mitth. Schweiz. Ent. Ges., 

 VII, p. 358 (1887); Bruner, Biol. Cent.-Amer., Orthopt., II, pp. 211, 240 (1907). 



These, with one exception, largest of American locusts are found 

 throughout the tropical portions of both North and South America, 

 where at least six distinct species and two or three varieties are 

 known. Great confusion exists concerning their synonymy and can 

 only be approximately worked out with a good series of specimens 

 from many localities. 



83. Tropidacris collaris (Stoll). 

 Gryllus (Locusla) collaris Stoll, Spectres Saut., p. 39, pi. 21b, fig. 80 (1813). 



For additional synonymy see Kirby's Synonymic Catalogue of 

 the Orthoptera, Vol. Ill, p. 379. 



Habitat. — There are six specimens at hand, coming from various 

 Brazilian localii ies. 



84. Tropidacris dux (Thunberg). 



Gryllus dux THUNBERG, Mem. Acad. Petersb., IX, pp. 393, 402, No. 6 (1824). 



For further synonym \ see Kirby's Catalogue. 



