Bromius obscurus, the western grape rootworm,[4] is a species of beetle in the leaf beetle family. It is the only member of the genusBromius. The distribution of the species is holarctic; it can be found in North America, wide parts of Europe, and Asia. The species is a known pest of grape vines in Europe and western North America.[5]
^Kirby, W. (1837). "The insects". In Richardson, J. (ed.). Fauna Boreali-Americana; or the zoology of the northern parts of British America: containing descriptions of the objects of natural history collected on the late northern land expeditions, under command of Captain Sir John Franklin, RN. Vol. Part the fourth and last. Norwich.: J. Fletcher. p. 209.
^Moseyko, A. G.; Sprecher-Uebersax, E. (2010). "Eumolpinae". In Löbl, I.; Smetana, A. (eds.). Catalogue of Palaearctic Coleoptera. Volume 6. Chrysomeloidea. Stenstrup, Denmark: Apollo Books. pp. 619–643. ISBN978-87-88757-84-2.