Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Rudinsky, J. A., M. Morgan, L. M. Libbey, and R. R. Michael. 1973. Sound production in Scolytidae: 3-methyl-2-cyclohexen-1-one released by the female Douglas-fir beetle in response to male sonic signal . Environmental Entomology 2:505-509.