An identification guide to Eurysternine dung beetles (Coleoptera, Scarabaeidae)

Abstract

An identification guide to the genus Eurysternus is presented. One new species, confusus is described from South America. The synonymies inflexus (Germar) (=planipennis Lucas), parallelus Castelnau (=femoralis Lucas), hirtellus Dalman (=cirratus Harold), calligrammus Dalman (=opacus Lucas), foedus Guérin-Méneville (=claudicans Kirsch), velutinus Bates (=hypocrita Balthasar), and caribaeus (Herbst)(=peruanus Harold) are established, and four previously established synonymies confirmed. Lectotypes are designated for the following species of Eurysternus: mexicanus Harold, plebejus Harold, angustulus Harold, velutinus Bates, hypocrita Balthasar, hamaticollis Balthasar, nebulosus Kirsch, peruanus Harold, sulcifer Balthasar, cirratus Harold, planipennis Lucas, cyanescens Balthasar, femoralis Lucas, and for Onitis deplanatus Germar.

Neotypes are designated for the following species of Eurysternus: magnus Castelnau, marmoreus Castelnau, impressicollis Castelnau, foedus Guérin-Méneville, hirtellus Dalman, opatrinus Perty, parallelus Castelnau, cayennensis Castelnau, and for Scarabaeus caribaeus Herbst.

Type-species are designated for the genera Eurysternus Dalman and Aeschrotes Saint-Fargeau & Serville.