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5 May 2017 Acanthotomicus sp. (Coleoptera: Curculionidae: Scolytinae), a New Destructive Insect Pest of North American Sweetgum Liquidambar styraciflua in China
Lei Gao, You Li, Ying Xu, Jiri Hulcr, Anthony I. Cognato, Jian-Guo Wang, Rui-Ting Ju
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Abstract

A previously unknown bark beetle species, Acanthotomicus sp., has emerged as a lethal pest of American sweetgum (Liquidambar styraciflua) in China. Our survey of nursery records from around Shanghai suggests that American sweetgum have been under heavy attack since at least 2013, resulting in the death of > 10,000 trees. Mass attacks of the apparently sweetgum-specific Acanthotomicus sp. can be diagnosed by accumulation of resinous exudates on the trunk, wilted foliage, and eventual numerous exit holes of the new generation. A Chinese native sweetgum Liquidambar formosana can also be colonized by Acanthotomicus sp. This pest is of concern not only as a killer of sweetgum in the Chinese nursery trade but also as a potentially destructive invasive pest of sweetgum in North America. This discovery suggests that global preinvasion assessment of pests is warranted.

© The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com
Lei Gao, You Li, Ying Xu, Jiri Hulcr, Anthony I. Cognato, Jian-Guo Wang, and Rui-Ting Ju "Acanthotomicus sp. (Coleoptera: Curculionidae: Scolytinae), a New Destructive Insect Pest of North American Sweetgum Liquidambar styraciflua in China," Journal of Economic Entomology 110(4), 1592-1595, (5 May 2017). https://doi.org/10.1093/jee/tox123
Received: 9 January 2017; Accepted: 3 April 2017; Published: 5 May 2017
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