CHALEPUS. 75 
Head moderately produced between the eyes; front longitudinally sulcate on the 
medial line, irregularly sculptured on either side. Antenne half the length of the body, 
slightly thickened towards the apex; the two lower joints ovate, equal, the third rather 
longer. Thorax longer than broad; sides rounded, nearly straight and parallel from 
the base to the middle, sinuate just behind the latter, constricted in front, the anterior 
angle produced obliquely into a subacute tooth; upper surface transversely convex, 
slightly excavated on the hinder disc, closely foveolate-punctate; the lateral margin, 
together with abroad discoidal vitta, black. Elytra broader than the thorax; sides 
parallel, obsoletely constricted in the middle, the apex regularly rounded ; lateral 
margin obsoletely, the apical one more distinctly, serrulate ; each elytron with ten rows 
of punctures, the second, fourth, sixth, and eighth interspaces costate, the sixth less 
strongly raised, its margin serrulate. 
47, Chalepus marginatus. 
Elongatus, subtus niger, nitidus; thorace, lateribus exceptis, pectoris medio femoribusque anticis quatuor basi, 
fulvis ; supra subnitidus, fulvus ; scutello capiteque nigris, hoc macula frontali sordide fulva; thorace 
lateribus rotundatis, antice constrictis ; rude rugoso-punctato, vitta discoidali lateribusque nigris; elytris 
parallelis, apice rotundatis, tenuiter serrulatis; utrisque decem-seriato-punctatis; interspatiis secundo 
quartoque modice, octavo obsolete, costatis ; limbo laterali anguste nigro, sutura ante medium anguste 
nigro-picea. 
Long. 2 lin. 
Hab. Mexico, Cordova (Sallé). <A single specimen. 
Front moderately produced between the eyes, longitudinally sulcate. Antenne 
nearly half the length of the body, subfiliform, slightly thickened towards the apex ; 
joints cylindrical. Thorax transverse; sides rounded, obliquely diverging from the base 
to the middle, deeply sinuate behind the apex, the apical angle armed laterally with an 
acute tooth; disc coarsely and strongly punctured, transversely excavated behind the 
middle. Elytra parallel, regularly rounded at the apex; lateral margin obsoletely, the 
apieal margin finely, serrulate ; each elytron with ten regular rows of punctures, the 
second and fourth interspaces moderately costate, the eighth obsoletely thickened. 
48. Chalepus lateralis. 
Elongatus, parallelus; subtus niger, nitidus; thoracis lateribus, abdominis disco, femoribus basi tibiarumque 
annulo lato, fulvis; supra subopacus, fulvus, scutello capiteque nigris; thorace transverso, lateribus 
rotundatis, pone medium fere rectis, ante medium sat abrupte constrictis ; disco transversim convexo, pone 
medium transversim excavato, rude et crebre punctato ; lateribus maculaque vix pone medium posita, nigris ; 
elytris parallelis, apice rotundatis, ad apicem minute serrulatis ; utrisque decem-seriate-punctatis, sutura 
nec non interspatiis secundo et quarto modice costatis, interspatio octavo minus distincte elevato ; utrisque 
linea laterali, a basi ad longe pone medium extensa, nigra ornatis. 
Long. 2 lin. 
Hab. Guatemaua, Zapote, Capetillo, Panima in Vera Paz ( Champion). 
Vertex smooth, impunctate ; front irregularly sulcate, subrugose ; interocular space 
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