Plantations of Australian acacia, Racosperma mangium (Willd.) Pedley (Fabaceae), are option for commercial reforestations in the Amazon. The work aims, for the first time, report and describe injuries caused by Pelidnota filippiniae Soula, 2009 (Coleoptera: Melolonthidae: Rutelinae) in experimental plantation in Dom Eliseu County, Pará State, Brazil. Monthly observations were made from 2006 to 2009. Outbreaks occurred at the beginning of the rainy season, in October and November, in the early years of plantation when were observed different intensities of defoliation. Although significant damages have not been recorded, P. filippiniae has the potential to cause damages to this crop. Monthly monitorings and insect-picking are recommended during this period to avoid further damages.
Acacia mangium; Forest Entomology; Reforestation
