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    Author(s): Therese M. PolandRobert A. Haack
    Date: 2000
    Source: J. Appl. Ent. Vol. 124 p. 63-69. (2000)
    Publication Series: Scientific Journal (JRNL)
    Station: North Central Research Station
    PDF: View PDF  (1.16 MB)

    Description

    We tested the hypothesis that green leaf volatiles (GLVs) disrupt the response of overwintered pine shoot beetles, Tomicus piniperda (L.) to multiple-funnel traps baited with the attractive host volatile -pinene. A combination of four GLV alcohols, 1-hexanol (E)-2-hexen-l-ol (Z)-2-hexen-l-ol, and (Z)-3-hexen-l-ol, caused 54 and 36% reduction in the number of pine shoot beetles captured in two separate trapping experiments. Similarly, a combination of the four alcohols plus two GLV aldehydes, hexanal and (E)-2-hexenal, caused 38% reduction in the number of pine shoot beetles captured compared with -pinene alone. A blend of the two GLV aldehydes was not disruptive. None of the four GLV alcohols nor the two GLV aldehydes were disruptive when tested individually. The finding that the blend of four GLV alcohols reduced attraction of T. piniperda supports the general hypothesis that GLVs common to nonhost angiosperms are disruptive to conifer-attacking bark beetles (Scolytidae).

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    Citation

    Poland, Therese M.; Haack, Robert A. 2000. Pine shoot beetle, Tomicus piniperda (Col., Scolytidae), responses to commn green leaf volatiles. J. Appl. Ent. Vol. 124 p. 63-69. (2000)

    Keywords

    GLV, Tomicus piniperda, 1-hexanol (E)-2-hexen-1-ol (Z)-2-hexen-1-ol, (Z)-3-hexen-1-ol, T. piniprda

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