CHALEPUS. 53 
broader than long; sides obtusely angulate, straight and parallel from the base to 
the middle, thence obliquely converging to the apex, anterior angle armed with an 
oblique obtuse tooth ; subcylindrical, broadly flattened and excavated on the hinder 
disc, closely covered with large, irregular, foveolate punctures; an irregular longitudinal 
space on the middle disc, commencing in front of the transverse depression, and 
extending anteriorly nearly to the apical margin, shining, impunctate; its medial line 
impressed with a fine longitudinal groove; a longitudinal vitta, abbreviated anteriorly, 
together with the extreme edge of the lateral margin, nigro-piceous. Scutellum oblong- 
quadrate; sides distinctly, the apex faintly, emarginate. Elytra parallel, serrulate on 
the sides, the apex rounded and acutely denticulate ; each elytron with eight, at the 
extreme base with nine, rows of punctures; tricostate, the suture also elevated. 
7. Chalepus opacicollis. 
Hlongatus, parallelus, nitidus, subtus niger; thorace (utrinque nigro maculato), pectoris medio abdominisque 
basi, fulvis; supra fulvus, scutello, collo utrinque antennisque nigris; thorace quam lato vix longiori; 
lateribus rotundatis, medio obsolete angulatis ; opaco, sat profunde punctato, vitta discoidali lateribusque 
nigris ; elytris parallelis, lateribus minute serrulatis; apice regulariter rotundato, magis evidenter et 
irregulariter serrulato; utrisque octo- basi nono-seriato-punctatis ; interspatiis secundo, quarto sextoque 
costatis. , 
Long. 3 lin. 
Hab. Panama, Bugaba 800 to 1500 feet (Champion). 
Head smooth, vertex and front faintly impressed with a longitudinal groove; inter- 
ocular space very slightly produced. Antenne robust, slightly tapering at the base and 
apex; first and second joints equal, the third distinctly longer. Thorax scarcely longer 
than broad; sides rounded, converging in front, obsoletely angulate; convex, trans- 
versely impressed on the hinder disc, and again less distinctly so before the middle; 
opaque, impressed, but not very closely, with large, ill-defined punctures. LElytra 
elongate, parallel, regularly rounded at the apex; sides finely, the apical margin more 
strongly and irregularly, serrulate; each elytron with eight, at the extreme base with 
nine, rows of large, deeply impressed punctures; second, fourth, and sixth interspaces 
costate, the sixth serrulate. 
‘8. Chalepus saundersi. 
Hlongatus, subtus niger, nitidus ; femoribus anticis quatuor macula basali flava ornatis; supra minus nitidus, 
scutello capiteque nigris, hoc macula frontali sordide-fulva; thorace subcylindrico; lateribus breviter 
subangulato-rotundatis, basi fere rectis; dorso crebre et fortiter punctato, fulvo, lateribus vittaque lata 
discoidali nigris; elytris fere parallelis, apicem versus vix ampliatis, apice obtuse rotundatis, minute 
serrulatis ; utrisque octo- basi nono-seriato-punctatis ; interspatiis alternis, nec non sutura, modice costatis ; 
fulvis, plaga apicali vittaque suturali nigris. 
Var. A. Elytrorum plaga apicali obsoleta. 
Long. 2 lin. 
Hab. GuaTEMALA, Panima ( Champion) ; Panama, Volcan de Chiriqui 2500 to 4000 
- feet (Champion). 
