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1 March 2009 Glycobius Speciosus (Say) (Coleoptera: Cerambycidae) Has Been Extirpated from Much of Midwestern U.S.A
Jeffrey D. Holland
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Glycobius speciosus (Say) was at one time found throughout the range of its larval host tree, sugar maple (Acer saccharum) but is currently missing from part of this range. The apparent lack of G. speciosus across much of Midwestern U.S.A. was validated. The characteristic and long-lasting scars left by G. speciosus make the determination of an absence of this species quite reliable. The presence and extent of the extirpation was established using museum records, extensive roadside surveys of host trees, and intensive surveys of hardwood forest patches. Glycobius speciosus is currently not found in an area that includes much of north and central Indiana and north and central Ohio. This area has experienced higher levels of forest loss and fragmentation than adjacent regions where evidence of the beetle remains common and obvious.

Jeffrey D. Holland "Glycobius Speciosus (Say) (Coleoptera: Cerambycidae) Has Been Extirpated from Much of Midwestern U.S.A," The Coleopterists Bulletin 63(1), 54-61, (1 March 2009).
Received: 22 May 2008; Accepted: 1 September 2008; Published: 1 March 2009

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