Niemeyer, H., and G. Watzek. 1996. Experiments on monoterpenes in combination with Pheroprax and Chalcoprax in pheromone traps for catching the bark beetles Ips typographus L. and Pityogenes chalcographus L. (Col., Scolytidae). (In German, with English summary). Anzeiger für Schädlingskunde, Pflanzenund Umweltschutz 69:109-110.
Niemeyer & Watzek 1996
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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