682 PROCEEDIXGS OF THE NATIONAL MUSEUM. vol. xxx. 



DICHROPLUS CONSPERSUS Bruner. 



IHrhropIiiK ronxpiTxiix Bhunek, LocustH of Argentina, 1900, ]i. 78, fig. 4. 



Ilnlyitat. — Not represented in the collections at hand, but it should 

 he found in southern Paraguay where the country is open. 



DICHROPLUS DUBIUS, new species. 



A rather robust, medium sized insect, the general color of which is 

 l)ro\vnish testaceous, jndor benoath, conspersed on legs and tegmina 

 with modci-ately large brownish oi- dull l)lack flecks. 



Head as wide as front edge of pronotum; eyes not prominent, their 

 front edge straight, separated al)Ove b}- a space equal to one-half of 

 th(Mr longest diameter; fastigium of vertex declivant, broad, hex- 

 agonal, l)()unded on sides by rather prominent carinas, in front by a 

 faint one and open behind; frontal costa fairl}' prominent and ])road, 

 a little widest at ocellus, Hat and coarsel}^ punctate above, broadlj' 

 sulcate at ocellus and below. Pronotum rather broad, considerably 

 widest on hind lol)e, the anterior lobes a trifle the longest; transverse 

 sulci deep, the middle and hind uninterrupted and reaching the lower 

 lateral edges, the anterior one interrupted just below the dorsum; 

 anterior edge truncate, l)ehind obtusangulate the apex rounded. Teg- 

 mina tapering, their apex rounded, about as long as abdomen. Hind 

 femora and tibite rather robust, the former as long as, or a little lon- 

 ger than, the abdomen, the latter with 9 si)ines on outer edge. Pro- 

 sternal spine robust but evenly p3' ram idal; interspace between meso- 

 sternal lobes about as long as broad. Hind femora without detinite 

 transverse bands save as the dusky dots referred to jibove congregate 

 into two patches on the upper edge; the bounding carina' of outer 

 disk regularly dark dotted; hind tibiae l)rownish testaceous. 



Length of ])ody, male IT, female 20; of pronotum, male-l:.'^>r), female 

 5; of tcgmina, male 15, female 14; of hind femora, male 11, female 

 IH mm. 



7y/y>.'.— Cat. No. 0714, U.S.N.M. 



ITahlfid. — A number of females and ?> males from Sa])ucay, Para- 

 guay, where they were collected by W. T. Foster. 



DICHROPLUS BRASILIENSIS, new species. 



There are several specimens of an apparently undescribed species 

 at hand that were taken ])y the writer during May, 18i>T, at Victoria, 

 Brazil. Tlu'v are a])out the size of D. Bcryii Stal, and are to be dis- 

 tinguished from all other described species by their deep purple hind 

 tibia'. There is a possibility of this insect being found in I'aragua}^ 

 also. 



