BR1 m.k : SOI in Ami RICAN A( RID0ID1 \. 1 ]:', 



By referring to the locality cited, il will be seen thai al leasl three 

 species of the genus are known. These are separated bj .1 -\ noptical 

 table. None of the representatives are .ti hand among the material 

 now being si udied. 



( renus Maui 1 ropei ES Rehn. 

 Vn Rehn, Proi .U.S. Nat. Mus., XXXVI, p. 152 (1909). 

 This genus ol locusts belongs to the Vilernc I mi seems to be quite a 

 distance removed from any of the other genera of the group. Thus 

 far only a single species is known. 



157. Machaeropeles rostratus Rehn. 



Mmlueropeles rostralits Rehn, Proc. U. S. Nat. Mus.. XXXVI, pp. 152-154, figs. 34, 

 35 (1909). 



Habitat. — There are at hand a large scries of both sexes. They 

 come from Chapada and Corumba, Brazil, where they were taken 

 during the period embraced in the months of April to August inclusive 

 (II. II. Smith). 



Genus LEPTOMERINTHOPRORA Rehn. 

 Leptomerinthoprora Rehn, Proc. Acad. Nat. Sci. Philad., 1905, p. 436. 



The various members of the presenl genus are distributed over 

 Central America and the northern and central countries of South 

 America. Four of the previously described forms come from Costa 

 Rica and another from Para, Brazil. A sixth species is now added, ft 

 was taken at Chapada, Brazil. These species may be separated as 



follows: 



Synopsis of the Species of Leptomerinthoprora. 



.1 ( ieneral form rather robust. The antennae heavy, short, and annulated with 

 tlavous. 

 b. Hind femora dull clay-color or brunneo-testaceous, cither plain, or marked 

 with oblique fuscous bands and mottlings. 



c. Femora plain, tinged with green brevipennii Rehn. 



cc. Femora obscurely marked externally with oblique and internally with 

 transverse bands; antennae inconspicuously annulate. 



modesta Bruner. 

 bb. Hind femora green or greenish, unadorned, apex testaceous. Antenna; 

 pale annulate. 

 c. Most of face, cheeks below the eyes, and pale lines on pronotum, pleura, 



and tegmina bright wax-yellow flavovittata Bruner. 



cc. Most of face, cheeks below the ryes and pale line- 011 pronotum, pleura, 

 and tegmina brownish-testaceous smaragdipes Bruner. 



