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- Payne, T. L., H. A. Moeck, C. D. Willson, R. N. Coulson, and W. J. Humphreys. 1973. Bark beetle olfaction, II. Antennal morphology of sixteen species of Scolytidae (Coleoptera). International Journal of Insect Morphology and Embryology 2(3):177-192.