m. 1461. LIST OF PAEA G UA YAN LOCUSTS— BR UNER. 681 



slender, a little sui'passing' the tip of abdomen; hind tibiae 9 spined in 

 outer roAV. The last central segment of male al)domeii elongate, with 

 the upper edges straig'ht and the apex liluntly rounded, directed pos- 

 teriorl3^ Cerci slender, evenly tapering, fully three times as long as 

 basal width, directed posterioi'l}^ and a little upwards, and bent inwards. 

 Prosternal spine slender, acuminate. 



Length of body, male, 23; of pronotum, 5.1,5; of tegmina, 18; of 

 hind femora, 13 mm. 



Ti/jH'.— Cat. No. 9713, U.S.N.M. 



IlahlUd. — Sapuca}^, Paraguay, a single male specimen which seems 

 to have lost its color by immersion in spirits or some other preserva- 

 tive. This insect seems to approach T). hei'gii Stal most closely in gen- 

 eral structure. 



DICHROPLUS PATRUELIS Stal. 



Acridium {Podi.vna) jxitriteUs Stal, Freg. Eugene Resa, Ins. Orthopt., 1870, 



p. 384. 

 Pezotettix {BicliropJus) jyftfrueUs 8tal, Reoens. Orthopt., 1873, I, p. 78. 



Hahitat. — Reported 1)}" Giglio-Tos as occurring in the Province of 

 San Pedro, Paraguay, and from Resistencia, Argentina. Not repre- 

 sented in the collections at hand. 



DICHROPLUS EXILIS Giglio-Tos. 



' Dichroplm exilis Giglio-Tos, Boll. Miih. Zool. Anat. Torino, IX, 1894, No. 184, 

 p. 23. 



Habitat. — This species is represented by both sexes from Sapuca}^, 

 Paraguay, where the}' were taken l)y W. T. Foster. It is also reported 

 from Paraguay by Kehn. Outside it is known from Resistencia and 

 San Lorenzo in Argentina. 



DICHROPLUS ELONGATiJS Giglio-Tos. 



Plate XXXV r, tig. 10. 



DirlmipluK dom/(ditt< G\(UAO-ToH, Boll. Mus. Zool. Anat., Torino, IX, 1894, No. 184, 

 p. 23. 



IlaVitat. — Villa Rica and Asuncion, Paraguay (Giglio-Tos). Not 

 represented in the collections studied for this paper. It is more com- 

 mon to the southward and westward. 



DICHROPLUS PUNCTULATUS (Thunberg). 



Plate XXXVIII, figs. 3 and 4. 



Gri/Z/ws ;3Mnc<MZofH.9 Thunberg Mem. Acad. St. Petersb., IX, 1824, p. 408. 

 Pezotettix {Trigotiophymux) pxinctnlatm HtAi., Recens. Orthopt., I, 1873, ]>. 77. 

 Pezotettix {Dlchroplus) punctulatua Stal, Obs. Orthopt., Ill, 1878, p. 6. 



IIal>ltat. — This, the most widely distributed species of the genus, is 

 represented by specimens collected at Sapuca}^ 1)y Mr. W. T. Foster. 

 It occurs from middle Argentina to Central America and southern 

 Mexico, and exhibits considerable variation in color and size. 



