Attraction of Flying Scolytus multistriatus1 to Cut Wood of Three Elm Species in California

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Abstract
Scolytus multistriatus (Marsham) was significantly more attracted to bolts freshly cut from Ulmus procera Salisb., than to U. pumila L. and U. parvifolia Jacq. and unbaited controls in a pure stand of U. procera . Beetle attraction to U. parvifolia was significantly lower than to U. procera and U. pumila and did not differ from that of unbaited controls. In contrast, the response of beetles to bolts of U. procera and U. pumila was not significantly different in a pure stand of U. pumila .

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