Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Davidson, R. H., and L. M. Peairs. 1966. Insect pests of farm, garden and orchard. Edition 6 [Scolytidae; p. 49, 253-254, 411-416, 475-477]. J. Wiley and Sons, New York. ix + 675 p., 587 figs.
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