LOCUSTID^. 447 



curved, testaceous towards the base, a little longer than tbe abdomen. 

 Legs stout ; hind femora three-fil'Uis of the length of the fore wings. Fore 

 wings nariow, longer by one line and a half than the hind wings; areolels 

 large; scapular vein and externo-medial approximate and parallel to each 

 other, connected towards the lip. Hind wings blackish, with a narrow 

 cinereous l)order; longitudinal veins tawny; transverse veins white. 

 Length of the body 13 lines; expansion of the fore wings 33 lines. 



a. Oajaca. From M. Salle's collection. 



24. Meuoncidius tenebrosus. 



Fcem. Teslaceus ; caput fusceacenle septem-vitlatum, labro flavo ; 

 unlenna funco fasciatce ; prothorax scaler, nigricante triviUatus ; 

 abdominis dorsum fuiimm tentaceo conspersum ; oviductiis niger, basi 

 leslaceus ; pedes robiisli, fuscu plogiuti aut fasciati ; alee anticce 

 cinerece, angustce, fusco jnacutai.a; ; ala posdccp nigricantes, secturibus 

 iransversis albidis. 



Female. Testaceous. Head smooth, with seven brownish stripes, of 

 which the middle one is extremely broad ; labrum yellow. Antennae with 

 many brown bands. Prothorax scabrous, with three irregular blackish 

 stripes and with two strongly impressed transverse lines. Abdomen above 

 tawny, thickly speckled with pule testaceous. Cerci pale testaceous, 

 slightly curved. Oviduct black, slightly curved, testaceous towards the 

 base, as long ;is the abdomen. Legs stout, with several brown blotches or 

 irregular bands; spines with black tips; hind fen)ora with rather more 

 than two-thirds of the length of the fore wings. Fore wings cinereous, 

 narrow, shorter by two lines than the hind wings, with many brown spots, 

 some of which are coiinected in the disk ; areolets rather large, mostly 

 regular. Hind wings blackish ; hmgitudinal veins black ; transverse veins 

 whitish. Length of the body 15 lines; expansion of the fore wings 

 35 lines. 



a. Oajaca. From M, Salle's collection. 



25. Meroncidius inficitus. 

 Mas et fcem. Fulvus ; caput te.itaceum, antice flavum, carinis fuscis ; 

 antenna picece ; prothorax scaber, marginibus antico et poslico vittis- 

 que duabus inlerruptis nigris ; styli subclavati ; oviductus rectus, 

 apicem versus niger,abdominemulto brevior ; pedes robiisli, femoribus 

 anticis nigricante trifasciatis ; alee anticce bieviusculce, pallide 

 cinerea;, albido reticulalce,fulvo venoste,fusco postiee maculata ; alee 

 poslicce nigricantes, breviores, venulis transversis albis. 



Male and female. — Tawny, with the usual structure. Head testaceous, 

 smooth, with two brown keels which are approximate in front, where they 

 are contiguous to the brown projection of the front; fore part yellow, 

 smooth. Antennae piceous, tawny towards the base. Prcihorax scabrous, 

 with two irregular more (u- less interrupted black stripes and with two 

 transverse strongly marked impressed lines ; fure boidtr, hind border and 

 the hind part of each side border black; an occasional blackish mark 

 adjoining the fore border. Cerci obtuse, much thicker in the male than in 

 the female. Siibgenitul lamina with subclavate styles. Oviduct straight, 



