Cleidecosta hallwachsae Johnson, new species, the first of the genus from North America (Coleoptera: Elateridae: Euplinthini)

Cleidecosta hallwachsae new species (Coleoptera: Elateridae: Euplinthini) is described from Costa Rica, Mexico, and Nicaragua. This is the first Cleidecosta Johnson species reported from North America, is known only from tropical dry broadleaf forest areas, and is probably nocturnal. Within the regional click beetle fauna C. hallwachsae new species is distinctive with a shallowly convex body, pectinate antennae of 12 antennomeres in the male and a strongly serrate antenna of 11 antennomeres in the female, and setose claws. Congeneric species are known from French Guiana, Argentina, southern Brazil, Bolivia and Paraguay