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A nonnative pest of potato recently established and causing significant economic damage in Portugal and Spain was ini- tially identified as Epitrix similaris Gentner and included on lists of quarantine pests. The identity of this pest was doubted by some experts, since E. similaris is a rare species previously recorded only from California and does not damage potato in its native range. Our comparison of 20 specimens of this pest from Portugal with paratypes of E. similaris has revealed that it is not E. similaris. The name "Epitrix similaris" should be removed from lists of quarantine pests. The damage to potato tubers caused by the larvae of this pest is similar to that of E. tuberis Gentner, but examination of paratypes of E. tuberis has revealed that the pest is not E. tuberis. This pest differs from all species of Epitrix recorded in the Holarctic and from all known Epitrix pests of potato in the world. Herewith it is described as a new species Epitrix papa sp. n., whose native range is unknown.

european journal of entomology

Epitrix papa sp. n. (Coleoptera: Chrysomelidae: Galerucinae: Alticini), previously misidentified as Epitrix similaris, is a threat to potato production in Europe