The Genus Acrida. 155 



majores. Antennse 



serrataj Oxyolena, Karsch. 



7.7. Statnra minore. Lobi 

 acnminati femorum 

 posticorum interiores 

 majores. Antennfe 



serratse. 

 8. Caput rugis longitudi- 



nalibus instructnm . Amycns, StS,l. 

 8.8. Caput rugis nullis . . Machxridia, iitk\. 



Acrida, Linn. 



Caput in conum ascendentem elongatum ; oculi oblongi, a niargine 

 antico pronoti longe remoti. Fastigium verticis rotundatum, lateri- 

 bus reflexis, cum fronte angulo valde acuto contiguum. Foveolaj 

 verticis inferse, angustissimte, triangulares. Frons valde reclinata, 

 ad ocellum medium subconstricta. Costa frontalis ad verticem 

 acuta, inter antennas valde compressa, profunda sulcata, dehinc 

 sensini obliterata. Antennoe capite longiores, compressse et basi 

 dilatatse, ensiformes, segmento primo cylindrico, secundo parvo, 

 aeque longo et lato, sequentibus valde compressis, triquetris, apicali- 

 bus 10 angustioribus, ultimo subcylindricis. Pronotum, a latere 

 visum, concavum, postice triangulare (in A. thryrnmatoptera excep- 

 tum, rotundato-truncatum), supra tricarinatum, carina media a sulco 

 transverso unico interrupta, carinis lateralibus antice subparallelis, 

 postice divergentibus, lobis deflexis rugis longitudinalibus interruptis 

 instructis, angulo antico obtuso, postico acuto. Elj^ra angusta, 

 acuminata, vena intercalata nulla. Ala3 acuminata?, angustye, area a 

 furca rami radialis inclusa dilatata. venulis transversis verticalibus, 

 ajque distantibus reticulata. Pedes graciles, postici longissimi, 

 gracillimi. Femora postica vix incrassata. Segmentum abdominale 

 primum utrinque fovea valde aperta instructum. Lamina suprana- 

 lis in utroque sexu triangularis, obtusa, in larvis utriusque sexus 

 valde elongata, compressa, acuminata. Lamina subgenitalis (^ in 

 processum cucullatum producta. 



{Grylkts) Acrida. Linn., 1758, S.N„ ed. x, i, p. 427. 

 Truxalis. Fabr., 1775, Syst. Ent., 279 ; Serv. Cliarp. 

 Toyxalis. Bndle, 1835, 'Hist. Nat. Ins., IX, 21G ; Fiscb. 



Fr. Brunner et auctt. 

 Troxallis. Fiscb. de W., 1846, Orth. Ross., p. 229. 

 Acrida. Stal, 1873, Rec. Ortb., I, 05 ; Karscb, BoL, Sauss. 



Sti^il was tbe first to restore Linnseus' name, of un- 

 doubted priority, and although Brunner refuses to accept 



