m>. 1461 . LIST OF PA RA G UA TAX LOCUSTS— BR UNER. 643 



e. Mesosternal lobes longer than wide, their internal margin straight. 



Schistocerca Stal 



ee. Mesosternal lobes transverse or of equal width and length, their internal 



margin rounded. 



/. Posterior tibife furnished with 8 or sometimes more than 8 spines in the 



outer row. 



g. Tegmina equaling the abdomen in length or abbreviate, never lobi- 



form or rudimentary, always with the inner margins overlapping. 



h. Head small, not exserted, the hind part narrower than front edge 



of pronotum; occiput and vertex on the same plane with the 



pronotum Atrachelacris Giglio-Tos 



hh. Head distinctly exserted, the posterior part of equal width or 

 very little narrower than pronotum. 

 i. Pronotum decidedly dilated posteriorly. Cerci of the male slen- 

 der, pointed at apex Dichrophis Stal 



ii. Pronotum subcylindrical, but little broadened posteriorly. Male 

 cerci more or less ampliated at apex. 

 j. Female with the valves of the ovipositor normal, acute. Male 

 cerci fairly broad and obliquely docked at apex. 



Leioteitiv, new genus 



jj. Female with the valves of the ovipositor slender, straight, the 



upper ones much the longer. Male cerci variable, spatulate 



or slender and curved at apex Scotussa Giglio-Tos 



gg. Tegmina lobiform, lateral, widely separated, or with their inner 

 edges nearly, but never quite touching. 

 h. Pronotum with the posterior margin rounded or subangulate. 

 i. Head very large, the hind portion wider than the pronotum; the 

 labrum large. Frontal costa prominently dilated between the 

 antenufe. Prosternal spine minute. Tegmina lateral, the dor- 

 sum of abdomen exposed between them. Subgenital plate 

 subglobose at apex, the cerci, excejjt at base, stiliform, bent 



upwards -. Parascopas, new name 



a. Head large, but not broader than the pronotum; the labrum 

 normal. Frontal costa not at all or but little dilated between 

 the antennte. Prosternal spine elevated, not minute. Teg- 

 mina with their inner edges nearly touching. Subgenital 

 plate triangularly produced, the cerci variable. 

 j. Male cerci laminately compressed. Chief color of insect green 



or greenish Chlorus Giglio-Tos 



jj. Male cerci long and slender, the apex pointed and decurved. 



Chief color of insect ferruginous EuroteUix, new genus 



hh. Pronotum with the posterior margin truncate or roundly emar- 



ginate Paradichrophis Brnnner 



./f. Posterior tibise generally with less than 8 spines, usually with 6' to 7, 

 in outer row. Frontal costa i^ercurrent, straight, not at all or but 

 little produced between the antennae. Tegmina and wings fully 

 developed OsmUia Stal 



PROCOLPIA MINOR Giglio-Tos. 



Procolpia minor Giglio-Tos, Boll. Mas. Zool. Anat. Torino, No. 184, IX, 1894, 

 p. 17; No. 877, XV, 1900, p. 3. 



While the collections contain no .specimens of this insect, it has 

 been reported from Asuncion. 



