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162 





ADEPHAGA. 





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8. Casnonia tubulifera. (Tab. VI. fig. 25.) 



Casnonia tubulifera, Bates, Proc. Zool. Soc. 1878, p. 604 ! . 















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Subseneo-nigra, elytris macula anteriore antice ramum ad basin emittente et altera apicali marginibusque ruf o- 

 testaceis ; antennis pedibusque rufescentibus ; capite lsevi, mox pone oculos subito constricto, deinde in 

 eollum tubuliforme prolongate ; media fronte bicallosa ; thorace minus elongate, grosse punctate ; elytris 

 oblongis, politis, nudis, apice leviter sinuatim truncatis, angulo exteriore obtuso, supra striato-punctatis, 

 striis interioribus quatuor post medium interruptis, interstitio tertio trifoveato, calloque posteriore sub- 

 marginali. 





" Long. 3 lin. 



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Hab. Guatemala, Cahabon (Champion) ; Chontales, Nicaragua (Belt) 1 ; Panama, 







Volcan de Chiriqui, Bugaba (Champion). 



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The single Guatemala example differs from all those from other localities in the tawny 





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markings of the elytra being reduced to a few small spots. 











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9. Casnonia sulcicauda. 



G. marginestriatce affinis et quoad formam similis (gracilis, elytris relative brevibus subovatis). Nigra, nitida, 

 capite thoraceque seneo tinctis, elytris fascia flexuosa prope apicem et altera abbreviata (vel linea transversa) 

 mediana margineque anguste testaceo-albis ; antennis articulis 2°-4 m pedibusque pallide testaceis, femoribus 

 annulato lato, tibiis tarsorumque articulis apice infuscatis : capite postice modice elongate, gradatim recte 

 angustato, fronte irregulariter rugulosa ; thorace antice anguste cylindrico, postice subito dilatato, supra 

 transversim recte striato ; elytris medio lsevibus, apice arcuatim sinuato-truncatis, juxta basin et apicem 

 tantum striatis, striis apud basin vix impressis, apud apicem profunde et late insculptis, striis marginalibus 

 (8 a et 9 a ) integris, 8 a in medio subtiliore. 



Long. 3| lin. 



Hab. Guatemala, San Geronimo (Champion). 



10. Casnonia championi. 



C. corruscce (Chaud.) affinis, multo minor. iEneo-nigra, antennis, palpis et pedibus rufescenti-testaceis (femo- 

 ribus basi et apice albis) ; elytris utrinque fasciis macularibus duabus, interstitia 4 m -7 m transeuntibus : 

 capite convexo, lsevissimo, ovate, post oculos paullulum rotundato-angustato, fronte antice rugata, episto- 

 mate quadrifoveolato ; thorace modice elongate, ab apice usque ad medium leviter dilatato, ante basin vix 

 angustato, supra transversim plicate ; elytris oblongis, angulo apicali exteriore dentiformi, dorso ante 

 medium late depresso, grosse striato-punctatis, callo magno prope scutellum fere laevi, striis versus mar- 

 ginem valde impressis, apud fascias sulcatis, interstitio tertio et quinto pluripunctatis. 



Long. 3| lin. 



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Hab. Panama, Volcan de Chiriqui (Champion). 







Eesembles the C. corrusca of Ecuador, a fine species 



5tt lines long and 



more robust 



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in all its parts. 



In colours and general form there is scarcely any difference ; but the 





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head is much more convex and less rectilinearly narrowed behind, and the sculpture of 



the elytra differs 

 punctuation. 



lesser area occupied by sulciform striae and the more regular 















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