Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Loyttyniemi, K., K. Heliovara, and S. Repo. 1988a. No evidence of a population pheromone in Tomicus piniperda (Coleoptera, Scolytidae): a field experiment . Annales Entomologici Fennici 54:93-95.
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