Syagrius intrudens is a species of weevil native to Australia Pullen, K.R., Jennings, D. and Oberprieler, R.G. (2014) Annotated catalogue of Australian weevils (Coleoptera: Curculionoidea). Zootaxa 3896: 1-481. and introduced to Europe.Fauna EuropaeaMorris, M.G. (2012) True Weevils. (Coleoptera: Curculioninae, Baridinae, Oroitidinae). Part III. Royal Entomological Society of London Handbook 5 (17d).Hoffmann, A. (1950, 1954, 1958) Coléoptères curculionides. Parties I, II, III. Paris: Éditions Faune de France. Bibliothèque virtuelle numérique pdfs
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