Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Perttunen, V. 1957. Reaction of two bark beetle species, Hylurgops palliatus Gyll and Hylastes ater Payk. (Col., Scolytidae) to the terpene alphapinene. Annales Entomologici Fennici 23(2): 101-110.
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