LOCUSTIDiE. 289 



Genus 69. MONCHECA. 



Fcem. Corpus lineare, satgracile. Caput cornu anlico brevi-conico, 

 subascendeute; irons subobliqua. Oculi fere rotundi, valde globosi. Pal- 

 porum arliculi 3us et 4us aequilongi ; ous subclavaius, 4o multo longior. 

 Antenna? longae, graciles. Prothorax posiice angustior, sulcis duobus 

 Iransversis subarcuatis, lateribus fere rectis, margine postico subroiundato 

 vix ascendenle. Oviductus rectus, abdomiui aequilonijus. Pedes sat 

 graciles; femora uniseriatim spinosa ; libige quatuor anteriores biseriatim 

 spinosae ; tibiae posticae quadriseriatim spinosae. Alae longae. 



Female. Body linear, ratber 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 of the maxillary palpi as long as the third ; fifth 

 subclavale, much longer than the fourth. Antennee slender, much longer 

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

 hind part narrower ; sides nearly straight ; hind 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 

 ft»ur 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 ; fronsfusca, gutta albida, strigia duabus fulvis obliquis 

 punctisque quatuor pallidioribus, ciypeo ochraceo ; palpi fulvi ; 

 antennce picece, albido quadrifasciatce, basi faiva; prothorax 

 te'itaceuo, albido bifasciafus ; oviductus nigricans ; pedes fusci, tibiis 

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

 costali pallide purpurascente marginata, villa poslica viridi, vitta 

 costali subtus coccinea ; al<2 posticce diaphana, viridi venoscB. 

 Var. /3. — Abdomen testacenm, seg mentis viridi marginaiis. Var. y. — 

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

 ceum ; tibicB posticce rosece ; alie anticce vitta postica jiavo-alba ; ala 

 posticce Jiivo-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 clyi)eus ochraceous. Eyes livid. 

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

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

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

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

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

 cinereous, with whitish veins ; a |»ale 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 



K 



