248 Mr. J. S. Baly's descrijHions of 



coxas fequialtum, postice transversim dilatato, apice medio 

 postice porrecto, dorso carinato, retrorsum ad metasterni 

 apicem producto ; acetahulis anticis integris ; mesosternivm 

 apice concavo-emarginato, medio occulto. Allied to Cre- 

 pidodera, separated by the unarmed apices of the four 

 anterior tibife and by the form of the prosternum. 



Stegnea nigripes. 



Anguste ovata, convexa, fulva, nitida, pectore piceo 

 tincto ; pedibus antennisque (his basi femoribusque basi 

 exceptis) nigris ; thorace remote et minute puuctato, 

 sulco basali sat profunde impresso ; elytris tenuiter punc- 

 tato-striatis, striis fere penitus deletis ; interstitiis tenuiter 

 punctatis, prope latera subcostatis. 



Long. 1| lin. 



Hah. — Chanchamayo. 



Vertex shining, impunctate ; encarpje subtrigonate, 

 contiguous ; carina narrowly hastate ; antennge rather 

 more than half the length of the body, filiform, the foiu- 

 lower joints fulvous, the rest black ; eyes entire, subrotun- 

 date, black. Thorax about one-half broader than long ; 

 sides straight and parallel from the base to beyond the 

 middle, thence obliquely converging towards the apex, 

 the anterior angles obtuse, the hinder ones acute ; disk 

 convex, very minutely punctiu'ed (the punctures only 

 visible under a deep lens), basal groove deeply impressed. 

 Elytra ovate, convex, not depressed below the basilar 

 space, very finely punctate-striate, the striee on the middle 

 disk obsolete ; interspaces finely punctured, thickened and 

 subcostate below the humeral callus and on the lateral 

 margin. 



Genus EuGONiA. 



Corpus ovatum, convexum. Caput exsertum, facie 

 trigonatum ; carina lineariformi ; encarpis transversis, 

 vix contiguis ; oculis magnis, prominentibus ; antennis 

 filiformibus ; palpis maxillaribus subfiliformibus, articulo 

 ultimo acuto. Thorax transversus, lateribus rotundato- 

 ampliatis ; margine basali medio late transversim, utrinque 

 oblique truncato ; disco convexo, basi sulco transverse, 

 utrinque paullo intra marginem abrupte desinente, im- 

 presso. Scutellum cuneiforme. Elytra modice convexa, 

 punctato-striata. Prosternum medio angustatum, postice 

 transversim dilatatum, acctabulis anticis clausis. Pedes 



