LOCUSTIDJB. 289 



Genus 69. MONCHECA. 



Fcem. Corpus lineare, sat gracile. Caput cornu antico brevi-conieo, 

 subascendente; frons subobliqua. Oculi fere rotundi, valcle globosi. Pal- 

 poruin articuli 3us et 4us aequilongi ; 5us subclavatus, 4o multo longior. 

 Antennae longae, graciles. Prothorax postice angustior, sulcis duobus 

 transversis subarcuatis, lateribus fere rectis, margine postico subrotundato 

 vix ascendente. Oviductus rectus, abdomini aequilongus. Pedes sat 

 graciles; femora uniseriatim spinosa ; tibiae quatuor anteriores biseriatim 

 spinosae ; tibia posticae quadriseriatim spinosa?. Alae longae. 



Female. Body linear, rather slender, smooth, shining. Head as 

 broad as the prothorax, with a conical slightly ascending protuberance 

 between the antennas ; front slightly oblique. Eyes nearly round, very 

 prominent. Fourth joint ot the maxillary palpi as long as the third ; fifth 

 subclavate, much longer than the fourth. Antennae slender, much longer 

 than the body. Prothorax with two transverse slightly curved furrows ; 

 hind part narrower; sides nearly straight ; bind border slightly rounded 

 and elevated. Oviduct straight, as long as the abdomen. Legs rather 

 slender ; femora with a single row of spines beneath, five on each of the 

 four anterior femora, nine on each of the hind femora ; four anterior tibiae 

 with about eight spines on each side; hind tibiae with numerous spines in. 

 four series ; lobes of the third joint of the tarsi much dilated. Wings very 

 much longer than the body. 



The spines on the fore tibiae are more numerous and much smaller 

 than those of Locusta. 



1. MONCHECA PRETIOSA. 



Fcem. Beryllina ; frons fusca, gutta albida, strigis dttabus fulvis obliqui? 

 punctisque quatuor pallidioribus, clypeo ochraceo ; palpi fulvi ; 

 antennae picece, albido quadrifasciatce^ ban falvce; prothorax 

 te*taceus, albido bifasciatu/t ; oviduclus niyricans ; pedes fusci, tibiis 

 posticis saturate rufis; alec anticce cinerece, albido venosce^ vitta 

 costali pallide purpurascente marginata, villa postica viridi, vitta 

 costali subtus coccinea ; alee posticce diaphance, viridi venosce. 

 Var. /3. Abdomen teslaceum,seg mentis viridi maryinatis. Var. y. 

 Caput supra pallide roseum, albo lineatum ; abdomen albido-testa- 

 ceum ; tibiae posticce rosece ; al< anticce vitta postica Jlavo-alba ; alt* 

 posticce flavo-albo venosce. 



Female. Beryl-green. Front of the head brown, with a whitish 

 conical dot near the antennae, with a tawny oblique streak on each side and 

 with four anterior paler points; face and clypeus oehraceous. Eyes livid. 

 Palpi tawny. Antennae piceous, tawny for nearly one-third of the length 

 from the base ; four whitish bands in the pieeous part. Prothorax testa- 

 ceous, brown about the sutures, with two whitish bands. Oviduct blackish, 

 pale luteous beneath, except towards the tip. Legs brown ; hind tibiae 

 deep red ; tarsi rosy red beneath ; hind tarsi reddish above. Fore wings 

 cinereous, with whitish veins ; a pale yellow costal stripe, which tapers from 

 the base to two-thirds of the length and is bordered on the hind side by a 

 shorter purplish red stripe ; a green stripe tapering from the base along 



