New species of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) from Costa Rica and Panama

The following new species of dung beetles (Coleoptera: Scarabaeidae) from Costa Rica and Panama are described: Copris tridentatus sp. nov ., Onthophagus notiodes sp. nov ., Onthophagus xiphias sp. nov. and Trichillum arcus sp. nov . Pedaridium bradyporum (Boucomont) is reported from the Pacific slope of Costa Rica for the first time. Drawings of the dorsal habitus of all species are provided.