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Hansen, Steen; Hattendorf, Jan; Wittenberg, Ruediger; Reznik, Sergey; Nielsen, Charlotte; Ravn, Hans Peter; Nentwig, Wolfgang (2006). Phytophagous insects of giant hogweed Heracleum mantegazzianum (Apiaceae) in invaded areas of Europe and in its native area of the Caucasus. European journal of entomology, 103(2), pp. 387-395. České Budějovice (Czech Republic): Institute of Entomology, Czech Academy of Sciences :
