Dendroctonus pseudotsugae Hopkins (Coleoptera: Scolytidae): production of and response to enantiomers of 1-methylcyclohex-2-en-1-ol

Female Douglas-fir beetles, Dendroctonus pseudotsugae, produced an average 45:55 mixture of the (S)-(-)- and (R)-(+)-enantiomers of 1-methylcyclohex-2-en-1-ol (MCOL). The (S)-(-):(R)-(+) ratio of 3-methylcyclohex-2-en-1-ol (seudenol) produced by this population of females was 34:66. Lindgren funnel...

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