CALLEROS.—CALODADON. 27 
This so far differs from the three preceding species as to give rise to reasonable 
doubts whether it should really be associated with them. It agrees, however, in 
having very slightly compressed hardly serrate antenne. The prothorax has acute 
hind angles, they are a little produced backwards; it is as long as wide, round in front, 
with parallel sides. In one specimen the scutellum is brown. 
CALOLYCUS. 
Genus Plateroti affine, thorace latiore lateribus explanatis reflexis, elytrisque magis ampliatis, ovalibus, differt. 
Caput haud rostratum, antennis utroque sexu subfiliformibus, compressis, apicem versus attenuatis. 
Thorax maris transversim subquadratus; femine latior, lunaris, angulis posticis productis acutis; antice 
carinatus, postice canaliculatus. Elytra areolarum seriebus novem, interstitiis quarto et octavo costatis. 
The form of the prothorax and of the elytra are the principal characters which separate 
this genus from Plateros,—the former being expanded, especially in the female, at the 
sides, so as to remind one of Lycostomus; the latter being oval, as in Cenia. 
I have not at present seen any other species than the one now described, which I 
should associate with it. 
1. Calolycus calanticatus. Tab. IV. fig. 3.) 
Niger, opacus; prothorace roseo, medio nigro-vittato, transverso, angulis posticis acutis, disco antice leviter 
a > p ? & b] b] oO 2 
carinato, postice canaliculato basi integro; elytris ovatis ampliatis, humeris costatis, striga minuta rufa 
ornatis. Long. 8-10 millim. ¢ 9. 
Hab. Mexico, Cordova (Sallé). 
The head, antennee, legs, and body are entirely black. The thorax wide, with the 
hind angles produced backwards ; the front rounded, not prominent, the base sinuate 
and not notched in the centre, but with a reflexed margin a little more raised there; 
the central vitta is widest at the base, not very distinct in one specimen (male), in 
another (female) distinct, and in front only as wide as the carina. The elytra have ten 
rows of squarish areole, not very deep; the humeral callus strongly raised and con- 
tinued as a costate interstice to near the apex. The portion of the elytron external to 
this is widened much as in Cenia, and contains two rows of cells; the margin itself is 
thickened a little. 
This is a very elegant insect, the black elytra contrasting strongly with the red 
thorax. It cannot be well placed in the genus Plateros, while it differs from Eros, 
which has the thorax divided into seven areole, in having its disk sculptured as in the 
former of those genera. 
CALODADON. 
Caput haud rostratum; oculi magni prominentes; antenne corpore breviores, longe flabellata (fcemine 
serrate). Palpi maxillares articulo ultimo subsecuriformi, obliquiter truncato. Pronotum pileiforme, disco 
antice carinato, in medio usque ad basin, carina duplici inter se suleum angustum formante, basi medio 
prominente, haud exciso. -Elytra seriebus punctorum decem, interstitiis alternis elevatioribus. Pedes 
longi, femoribus et tibiis compressis et sulcatis. Abdominis segmentum apicale ventrali, maris acuminatum, 
penultimum rotundato-emarginatum ; foeminee ventrali apicale rotundatum, haud fissum aut excisum. 
Et 2 
