Summary
Synthetic 3-methylcyclohex-3-en-1-one, or 3,3-MCH, decreased by 77% the flight aggregation ofDendroctonus pseudotsugae (Scolytidae) to sticky traps containing attractant (frontalin, α-pinene, and resin). However, windthrown trees were protected by 3,3-MCH much less than is known to occur with the isomer 3,2-MCH.
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This research was supported in part by NSF grants BMS 72-02522 and DEB 77-11361 and the O.S.U. School of Forestry. We thank the administration of the Siuslaw National Forest for study sites, and Dr L.M. Libbey for GC/MS of 3,3-MCH. Oregon State University Ag. Exp. Sta. Tech. Paper No. 4313.
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Rudinsky, J.A., Ryker, L.C. Field bioassay of male Douglas-fir beetle compound 3-methylcyclohex-3-en-1-one. Experientia 35, 1302–1303 (1979). https://doi.org/10.1007/BF01963972
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DOI: https://doi.org/10.1007/BF01963972