Ecological risk assessments for insect species emerged from western larch imported to northern Minnesota.

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Ecological risk assessments for insect species emerged from western larch imported to northern Minnesota.

Authors

Dodds, Kevin J.

Gilmore, Daniel W.

Seybold, Steven J.

Published Date

2004-07

Publisher

University of Minnesota

Type

Report

Abstract

Forest products imported intra-continentally are potential pathways for introducing native insect species into areas where they were not previously found. While the risk associated with importation of exotic insects into foreign lands is well documented, native species pose similar threats. Ecological risk assessments were conducted on seven species of native insects (Tetropium velutinum LeConte, and Pygoleptura nigrella [Say] [Coleoptera: Cerambycidae], Phaenops drummondi [Kirby] [Coleoptera: Buprestidae], Stephanopachys substriatus [Paykull] [Coleoptera: Bostrichidae], Dendroctonus pseudotsugae Hopkins and Scolytus laricis Blackman [Coleoptera: Scolytidae], and Camponotus noveboracensis [Fitch] [Hymenoptera: Formicidae]) that emerged from western larch logs imported into northern Minnesota. The ecological risk of each species was assessed considering the following factors: economic impact, host specificity, potential for associated organisms, survey potential, pathway potential, establishment potential, and mitigation potential. Following suggestions provided in this document will minimize the likelihood that more western forest insect species will be introduced into Minnesota and other areas of the US.

Keywords

Ecological risk assessment

forest insects

invasive insects

woodborers

false powderpost beetles

bark beetles

carpenter ants

Cerambycidae

Buprestidae

Bostrichidae

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Department of Forest Resources Staff Paper Series

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174

Funding information

This work was supported by a University of Minnesota Rapid Agricultural Response Grant to DWG and SJS, by funding from the USDA Forest Service, Forest Health Protection Suppression Program to DWG (No. 1Z71AR210141715621, M. Connor, Cooperator) and by funding from the Minnesota Agricultural Experiment Station (Projects # MIN-42-034 and MN- 17-070). Support was also provided by the University of Minnesota College of Natural Resources.

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Dodds, Kevin J.; Gilmore, Daniel W.; Seybold, Steven J.. (2004). Ecological risk assessments for insect species emerged from western larch imported to northern Minnesota.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/37638.

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