03 PROSOPODONTA. 



5. Demotispa bimaculata, n. sp. 



D. ovata, depressa, nigra, nitida, utroque el}-tro macula rotundata 



fulvo-tlava ; abdoniinc femonimqiie basi fulv'is. 

 Long. 2^ lin. 



D. ovate, depressed, shining black, each elytron with a large round 

 fulvous-yellow spot ; abdomen and base of thighs fidvous. Upper 

 portion of face finely punctui-ed ; antennae moderately robust, 

 third joint not longer than the second, apex of terminal joint pale 

 fulvous. Thorax subquadrate ; sides scarcely dilated, nearly 

 straight, narrowed from their base to the apex, slightly rounded 

 in front, anterior angles produced, obtuse, posterior shghtly pro- 

 duced laterally, acute ; anterior margin excavated ; above smooth 

 and shining, disc convex, transversely impressed near the base, 

 nearly impunctatc, sides slightly excavated, finely punetm-ed. 

 Scutellum smooth, impimctate. Elytra ovate ; sides dilated, 

 slightly recm-ved ; apex rounded, conjointly but indistinctly emar- 

 ginate at the suture ; above depressed, subconvex along the sides, 

 the latter sinuate below the shoulders ; each elytron with eleven 

 rows of fine pimctures, the first abbreviated; shining black, a 

 large, nearly cii'cular spot placed near the middle, but very close 

 to the suture, fulvous yellow. Beneath black ; breast, abdomen 

 and base of thighs fulvous. Apex of anal segment of abdomen 

 obtusely truncate. 



Eah. Mexico. 



Collections of M. Chevrolat and J. S. Baly. 



Genus XY. PROSOPODONTA. Details, Tab. I. Fig. 15. 



Antenncp. (fig. 15 a) robustie, subfiliformes, apicem versus leniter in- 

 crassatae et subcompressae, articulis duobus basalibus bre%ibus, 

 fere aequaUbus, prime incrassato, tertio cylindrico, praecedenti- 

 bus aequaU aut longiori, tribus proximis bre^-ioribus, oblongis, 

 longitudine gradatim decrescentibus, caeteris brevibus. subcom- 

 pressis et paullo ampliatis, ultimo paullo longiori, subovato, 

 apice obtuso. 



Lahrum (fig. 15 b) transversum, antice incrassatum et decKve, 



MancUhulce (fig. 15 c) robnstae, subtiigonae, obsolete dentatae. 



Paljpi maxUJares (fig. 15 d) articulo primo minuto, secundo elongato, 

 leniter curvato, subclavato, tertio bre\iori, ad apicem vix incras- 

 sato, ultimo ovato, subacute ; labiales (fig. 15 e ) articulo primo 

 parvo, secundo subclavato, tertio oblongo-ovato. 



Mentum (fig. 15/) transverse -quadi-atum ; ligida (fig. 15 g) oblonga ; 

 segmento hasilan transverse, medio late obHterato ; segmento 

 apicali obovato, basi attenuate, ad menti marginem prolongate. 



Caput facie paullo decHvi, medio inter antennas creta dentiformi 

 instinicta. 



Thorax transverso-quadratus, antice angustatus. 



