Two procedures were evaluated for assessing tree susceptibility to Anoplophora glabripennis. In the first procedure, adult beetles were caged with a section of sugar maple, northern red oak, white oak, honeylocust, eastern cottonwood, sycamore or tulip poplar wood. Results showed that females laid viable eggs on sugar maple, red oak, white oak and honeylocust. Oviposition did not occur on cottonwood, sycamore, or tulip poplar. Eighty-seven percent of the first instar larvae survived in white oak, followed by sugar maple (82%), honeylocust (50%), and red oak (39%). In the second procedure, first instar larvae were manually inserted into potted sugar maple, green ash, and red oak trees and allowed to feed for 60 or 90 days. Significantly more larvae survived for 90 days within the red oak (67%) compared to green ash (17%). Larvae recovered from red oak weighed significantly more than larvae from sugar maple or green ash. Larval survival was positively related to height of insertion. These results indicate: 1) controlled laboratory and greenhouse-based procedures can be used to assess tree suitability to A. glabripennis and 2) A. glabripennis will oviposit and larvae can develop in northern red oak for up to 90 days, suggesting that this species may be a potential host.

host plant resistance, invasive pest, Populus deltoides, Fraxinus pennsylvanica, Gleditsia triacanthos, Quercus rubra, Acer saccharum, Platanus occidentalis, Liriodendron tulipifera, Quercus alba
eastern cottonwood (Populus deltoides Marsh.), green ash (Fraxinus pennsylvanica Marsh.), honeylocust (Gleditsia triacanthos L.), northern red oak (Quercus rubra L.), sugar maple (Acer saccharum Marsh.), striped maple (Acer pensylvanicum L.), sycamore (Platanus occidentalis L.), tulip poplar (Liriodendron tulipifera L.), white oak (Quercus alba L.)
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Author notes

Journal paper 417 of the Pennsylvania State University, Dept. of Horticulture. This research was supported in part by a grant from The Horticulture Research Institute, 1000 Vermont Avenue, NW, Suite 300, Washington, DC 20005, the Pennsylvania Department of Agriculture, the International Society of Arboriculture, the National Biocontrol Institute of USDA, and WPWR-TV Channel 50 Foundation in Chicago, and cooperative agreements with the USDA-APHIS-PPQ, USDA-FS North Central Research Station and McIntire-Stennis Cooperative Forestry Research Program. We thank J. Frank Schmidt and Son Co. for the donation of trees, Nancy Ostiguy for assistance with data analysis, Melody Keena, Bailey Klinestiver, Heather Read, Laura Ludwig, Tracey Harpster and Christina Mullen for technical support, and Greg Kowalewski and staff at the W.K. Kellogg Forest. We extend special thanks to Larry Kuhns and Robert Berghage for reviewing an earlier draft of the manuscript.

2Texas A&M University Agricultural Research and Extension Center at Overton, P.O. Box 38, Overton, TX 75684.

3Department of Entomology, 243 Natural Science Building, Michigan State University, East Lansing, MI 48824.

4Department of Entomology, 501 Agricultural and Industries Building, The Pennsylvania State University, University Park, PA 16802.

5To whom all correspondence should be sent: Department of Horticulture, The Pennsylvania State University. University Park, PA 16802.

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2002