LOCUSTID^. 437 



Female. Body stout, tawny. Head smooth ; fore part puuetured ; 

 two little keels between the sockets of the antennae conveiginjj and con- 

 nected near the lanceolate part of the front. Eyes round, prominent. 

 Prolhoiax r<>n<,'lily tuberculate, with an impressed longitudinal line, which 

 is between the two strongly impressed transverse lines; of these the hinder 

 one is curved; foie border and sides nearly straight; bind border rounded, 

 its tubercles prolonged into spines. Oviduct curved, a little longer than 

 the abdomen. Legs ihick, punctured, with strong spines, those on the 

 bind femora especially large. Fore wings as long as the abdomen, with 

 large irregular areolets; veins blackish. Length of the body 15 lines. 



The hind tibiae are shorter and thicker than those of P. tuberculata, 

 and have stouter spines. 



a. Ega. From Mr. Bates' collection. 



Genus 133. SEXAVA. 



Fcem. Corpus longura, sat graoile. Caput glabrum, longiusculum, 

 cornu anlico porrecto brevi conico sulcato.; frons subobliqua, transverse et 

 snbtilissime striata. Oculi fere rolundi, vaide globosi. Palporum articulus 

 3us 4o valde longior ; ous fere linearis, 3o vix iongior. Antennie graciles, 

 longte ; articulus Ins iongus, crassus. Protlmrax subtiliter rugulosus, 

 lateribus subrolundalis, margine posiico fete recto lateribus incisis. Ovi- 

 duclus arcuatus, abdominis trienti aequilongus. Pedes longiusculi, sat 

 graciles, femoribus anticis uniseriatiin spinosis, femoribus inlermediis iner- 

 mibus, femoribus posticis et libiis quatuor anterioribus hiseriatim spinosis, 

 tibiis piisticis quadriseriatim spinosis. Alae abdomen longe superantes. 



Femide. Body long, rather slender. Head smooth, rather long, with 

 a short conical horizontal furrowed horn between the antennae ; front 

 slightly oblique, transversely and very finely striated. Eyes nearly round, 

 very prominent. Third joint of the ma.xillary palpi much longer than the 

 fourth ; fifth hardly clavate, hardly longer than the third. Antennae 

 slender, very much longer than the body; first joint hmg, very stout. 

 Prolborax finely rugulose, with two transverse furrows, between which there 

 are two short oblique furrows and a short longitudinal furrow ; sides slightly 

 rounded ; hind border excavated on each side, nearly straight in the middle. 

 Oviduct curved upward, about one-third of the length of the abdomen. 

 Legs rather long and sleuder; fore femora with three minute spines beneath 

 near the tips; hind femora with eight minute spines on the outer side and 

 with eleven on the inner side; fore tibiae and middle tibiae with two rows 

 of eight minute spines; hind tibiae with two rows of numerous rather long 

 and stout spines above and with two rows of minute spines beneath. 

 Wings extending much beyond the abdomen. Fore wings thickly and 

 irregularly reticulated. 



1. Sexava lanceolata. 



Fcem. Teslacea ; abdomen subtus fulvum ; ahe anticce viridi submar- 

 ginatce ; alcB posticce diaphance. Var. /S. — Prolhorax viridis ; abdo- 

 men fmcum, segmenlorum marginibus posticis macuLisque lateralibus 

 testaceis ; al<£ anticce fulvce. 



Locusta lanceolata ? Sioll. Saul, et Grill, pi. 10, f. .39, 40. 



