Grypus equiseti, known by the common name horsetail weevil, is a species of weevil native to Europe.Fauna EuropaeaFreude, H., Harde, K.W., & Lohse, G.A. (eds, 1981, 1983) Die Käfer Mitteleuropas. Band 10. Bruchidae, Anthribidae, Scolytidae, Platypodidae, Curculionidae. Band 11. Curculionidae II. Krefeld: Goecke & Evers.Hoffmann, A. (1950, 1954, 1958) Coléoptères curculionides. Parties I, II, III. Paris: Éditions Faune de France. Bibliothèque virtuelle numérique pdfs It feeds on Equisetum arvense (field horsetail or common horsetail) and Equisetum palustre (marsh horsetail) plants. It has been introduced to New Zealand to control Equisetum arvense, which is an invasive species there.
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