41 



MandihidcB (PL I., D, fig. 4) parvse, costa valida, dorsali firmatae, apicem versus 



dentibus robustis, aciitis, armatie. 

 MaxilUe (PI. I., D, fig. 5) magnae, iinilobatfe, lobo longo, valido, ad apicem recm'vato 



fortiter nncinato, et dentibus quatuor magnis, acutissimis armato, atque 



processu coriaceo ad basim externam instructo ; stipes perparvus. 

 Mentum (PL I., D, fig. 6, f) subqiiadratum, antice excavatum, angulis acutis. 

 Labium (PL I., I), fig. 6, k) elongato-oblongum, costis lateralibns firmatum, para- 



glossis duplieibus, erectis, ad apicem instructum. 

 Lingua \PL L, D, fig. 6, 1) parva, flabelliformis, antice emarginata. 

 Pronotum plerumque parvum, margine interiori iutegra, vel circulariter vel ovaliter 



rotundata, angulis posterioribus liaud productis. 

 Scutellum j^arvum, plerumque rotundatum. 

 Elytra elongata, apicibus rotundatis. 

 Aim magnae, elongatse, membrana ovali, ad basin lata, nervis solitis firmata, 



sui^erficie pilosa. 

 Abdomen segmentis septum compositum, quatuor basalibus coriaceis, tribus 



apicalibus cornels. 

 Prothorax (PL I., D, fig. 2, a) prosterno parvo, inter coxas elevato, et postice 



longius producto atque dilatato ; eTpisternis exiguus ; epimeris sat magnis, 



receptacnla coxarum postice circumdatis ; receptaculis coxarum magnis, 



rotundatis, antice partim apertis, non contingentibus. 

 Pectus mesostcrno (PL I., D, fig. 2, d) modico; episternis modicis ; epimeris sat 



magnis, bumeralibus, receptaculis coxarum sat remotis ; coxarum receptaculis 



sat late distantibus. 

 metasterno (PL I., D, fig. 2, g) magno, transverso, ad latera corporis non extenso, 



margine i^osteriori recta ; episternis magnis, postice angustatis, metasterno 



parum longioribus ; ejnmeris angustis, totis sub elytris occultis. 

 Venter segmentis sex compositus, 1 permagno, c?eteris omnibus fere pariter longo ; 



2-6 sibiipsis paribus, apicali integro. 

 Pedes antici coxis parvis, rotundatis ; trocbanteribus angustis, elongatis ; femoribus 



simplicibus ; tibiis modicis ; tarsis robustis, 4-articulatis ; 1 et 2 fere paribus ; 



2 bilobato ; 3 minuto ; 4 elongato, gracili ; unguibus modicis, plerumque 



fortiter curvatis, et subtus ad bases incrassatis. 

 intermedii anticis longiores, tarsis elongatis, gracilibus, articulis duobus basalibus 



bilobatis, 1 secuudo longiori ; alioqui anticis similes. 

 postici intermediis consimiles. 

 Coxa anteriores non contingentes, vix prominentes. 

 intermedice sat late distantes. 

 posteriores late pyriformes, ad latera corporis non extensaj, inter se sat late 



distantes. 



Body elongate, oval or oblong, more or less densely covered witb bair, convex on 



the under side. 

 Head very small, narrow and flattened ; mouth prominent ; gular region small and 



flattened ; eyes small, not prominent ; the whole head completely covered by 



the thorax. 

 Antennce (PL L, D, fig. 7) moderate, often short, 11-jointed; 1 long and incrassate, 



strongly recurved ; 2 much shorter than the first, incrassate ; 3-6 short, often 



slender, rarely transverse ; 7 often much enlarged ; 8 small, transverse ; 



9-11 much incrassate, forming a foliate club. 

 Maxillary palpn (PL L, D, fig. 5, w) robust, rather long, 4-jointed ; 1 small and 



slender ; 2 large, subpyriform, excavated at the extremity ; 3 subquadrate, 



shorter than the second; 4 elongate, obtusely conical. 

 Labial palpi (PL I., D, fig. 6, m) very short and very broad, 3-jointed; 1 minute; 



2 very short and very broad, cyathiform ; 3 much larger than the others, 



subquadrate, with its anterior margin slightly concave, and minutely denticulate. 



