NO. 1161. LIST OF PARAGUAYAN LOCVSTS—TUITJNER. 675 



SCHISTOCKRCA Stal. 



TABLE FOR DETERMINATION OF SPECIES. 



a. Pronotnm with its posterior edge decidedly angulate. Antennje of male nearly 

 or quite one-half longer than the pronotum. 

 h. Tegmina distinctly maculate. Sides of pronotum with the lower area obliquely 

 pale, edged above with fuscous. Male cerci apically narrowed. 



desiliens Scudder 

 bd. Tegmina immaculate or very faintly maculate; the lower area of sides of pro- 

 notum pale yellow, separated obliquely from the darker upper portion. 

 Male cerci but little narrowed apically. 

 c. Antennre of male one-half as long again as the head and jironotum together. 

 Wings feebly infumate; the tegmina feebly or obscurely maculate. 



fnrofamciata (De Geer) 

 «'. Antennfe of male one-thinl as long again as the head and pronotum together. 



"Wings strongly infumate, the tegmina immaculate infumata Scudder 



aa. Pronotum with its posterior edge distinctly rounded. Antennte of male rela- 

 tively shorter. 

 b. Head unusually large, broader than the front edge of 'the pronotum, giving to 

 the insect a strangulate appearance, 

 c. General color bright olive green, salmon, and cream, the tegmina obscurely 

 if at all maculate. The pronotum coarsely granulate and with the anterior 



lobe plainly tectate llneata (StoU) 



cc. General color testacious, ferruginous, and white, the tegmina plainly, often 

 strongly, maculate. The pronotum finely granulate, in nowise tectate. 

 d. Pronotum very decidedly strangulate on anterior lobe; the maculation of 

 tegmina rather evenly distributed, the anal area at broadest point one- 

 third broader than the interspace between the eyes...i)eregrhia (Olivier) 

 dd. Pronotum less decidedly strangulate; the maculation of tegmina inclin- 

 ing to form bands, the anal area at its broadest point no broader or but 

 little broader than the interspace between the eyes. 



paranentiis (Burmeister) 

 bh. Head normal, about as wide as the front edge of the jsronotum. Maculations 

 (jf tegmina confined chiefly to the middle area and gathered into two longi- 

 tudinal rows on apical third : jmllens (Thunberg) 



SCHISTOCERCA DESILIENS Scudder. 



Schistocerca dedlienft Scuddek, Proc. Amer. Acad. Arts Sci., XXXIV, 1899, p. 455. 



llahitat. — Specimens of this species we're observed by the writer in 

 the vicinity of Asuncion, in 1897. There are none in the collections at 

 hand from Parag-uay, but quite a series are Before me from Victoria, 

 Brazil. 



SCHISTOCERCA FLAVOFASCIATA i De Geer). 



Airydium jiavojasckdum De Geer, Mem. Ins., Ill, 1873, p. 488, pi. xl, fig. 8; for 

 additional synonomy see Scudder's Orthopteren Genus Schistocerca. 



Habitat. — Reported fi'om Asuncion and Luque, Paraguay. Not 

 represented in the collection just studied. 



