Astaena macilenta is a species of beetle of the family Scarabaeidae.BioLib It is found in Costa Rica and possibly Honduras.
Description Adults reach a length of about 6.5–10 mm. They are medium yellowish red, with the pronotum and elytra pruinose and opalescent. The head is moderately shiny.
Etymology The species name is probably derived from Latin macilenta (meaning thin) with reference to the narrow body of the species.
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