The citriculture in Roraima state is limited by some factors, within which the pests have a special prominence. In the last years, a new plague has damaged on several orchards in the state. The objective of this work is to identify this new pest as well as to describe the main symptoms and damages, aiming a correct recommendation for its control. Infested branches and trunks were collected from several orchards and placed into cages. After emergency, the specimens were sacrificed, then conditioned in bottles with 70% ethanol, and lead to the Centro de Identificação de Insetos Fitófagos-UFPR, Curitiba-PR, for the identification. The insect was identified as Hylettus seniculus (Germar, 1824) (Coleoptera: Cerambycidae), until this momment, it was not cited as a species of economic importance for the citriculture of the state. Furthermore, its occurrence has been associated with inadequate fitossanitary control, old and abandoned orchards, and the existence of forest hosts. Such factors are considered favorable to the dissemination of this insect in the orchards.
citros borer; injuring; citrus; dissemination