found: Work cat.: Lovett, A. The clover root borer, 1916.
found: Bark and wood boring beetles of the world website, Oct. 7, 2010:(Hylastes spp. Erichson, 1836, English Common Name: bark beetles, Taxonomic Rank: Coleoptera: Scolytidae: Scolytinae: Hylesinini: Hylastina)
found: Webster, F. The clover root-borer (Hylastinus obscurus Marsham), 1905.
found: Koehler, C. Biology and control of the clover root borer, Hylastinus obscurus (Marsham), 1961.
found: App, B. Studies on the control of the clover root borer, Hylastinus obscurus (Marsham) in Ohio with notes, 1980.