

Author: NORRIS DALE M.
Publisher: Entomological Society of America
ISSN: 1938-2901
Source: Annals of the Entomological Society of America, Vol.63, Iss.2, 1970-03, pp. : 476-478
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Abstract
Mean feeding by the smaller European elm bark beetle, S. multistriatus (Marsham), in 48 hours increased linearly with the log of the concentration of p-hydroquinone per milliliter of solvent in which assay discs were treated. The oxidized product from p-hydroquinone, pbenzoquinone, alone, failed to stimulate beetle feeding; and reduced (deterred) feeding stimulation by p-hydroquinone when added (in several concentrations) to a solution of the latter chemical. Several p-naphthoquinones also reduced the feeding stimulation of a given concentration of p-hydroquinone when added to the latter solution.
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