Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Grocholski, J., J. Michalski, and W. Nowak. 1976. Notes on intraspecific variation and sexual dimorphism of some Palaearctic species in the genus Hylastes Er (Col, Scolytidae). Acta Zoologica Cracoviensia 21:553-584.
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