The Neotropical D. agenor species group of the subgenus Luederwaldtinia Martínez, 1951 is taxonomically reviewed. After examination specimens in collections, will consist seventeen species, a leap from former nine species: (Harold, 1869), amplicollis belus 1880), centralis deyrollei sagittarius 1869) stat. rev., tristis (Luederwaldt, 1923), triquetrus validipilosus 1931), fornicatus 1931) [tran...

Dung beetle (Coleoptera: Scarabaeoidea: Scarabaeinae) activity is influenced by rainfall seasonality. We hypothesized that rainfall might also play a major role in regulating the community structure of this group. In this study, we describe seasonal changes in the richness, composition, and structure of the Scarabaeinae community in a Brazilian tropical dry forest. A fragment of arboreal Caatin...