Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Bakke, A. 1963b. Hylesinus oleiperda Fabr. and Pityogenestrepanatus Nordl. (Col., Scolytidae) new to Norwegian fauna. Norsk Entomologisk Tidsskrift 12(3-4): 124-125.