Epicaerus (Epicaerus) carinatus Boheman 1842

Hab.MEXICO, Vera Cruz¹, Jalapa, Oaxaca (Höge), Juquila (Sallé); GUATEMALA, Calderas, Dueñas (Champion).

This is a considerably smaller insect than E. tristis, with a rather shorter thorax and much coarser setosity, the latter not being confined to the elytral declivity but evident over the whole surface; the antennæ are only about half as thick, being unusually slender. The female has the elytra broader and shorter, more abruptly narrowed behind, and with the suture before the apex more prominent.
 
This species is very variable, if all the specimens I refer to it are really conspecific. The length varies from a little less than 8 to rather more than 10 millim.; the clothing, sculpture, and the sexual distinctions in the shape of the body also vary much. Possibly there may be more than one species amongst these specimens, but if so it will be no easy task to discriminate them. I have examined about twenty-five examples, including a typical specimen from the Schönherrian collection.