| abstract | A new vagrant eriophyoid mite species, Aculus polygonumnis sp. nov. collected from the weed Polygonum salicifolium Brouss. Ex Willd (Polygonaceae) was described and illustrated from Egypt. Redescription of two first record species, Aceria salicina (Nalepa, 1911), rec. n. collected from Salix babylonica L. and S. mucronata Thunb (Salicaceae), causing leaf rolling and buds, petiole bases, collected on malformed catkins; Anthocoptes salicis Nalepa, 1894, rec. n. collected from S. babylonica and S. mucronata (Salicaceae), vagrant on leaves. The genus Anthocoptes is recorded for the first time for the Egyptian fauna. |