Astaena rosettae is a species of beetle of the family Scarabaeidae. It is found in Brazil (EspÃÂrito Santo).
Adults reach a length of about 9âÂÂ10 mm. The pronotum is shiny, but the elytra are dull and pruinose. The upper surface is reddish-brown and the underside is reddish-brown and shiny.