Asian Longhorned Beetle
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Annotated Categorization of ALB Host Trees
Alan Sawyer
USDA-APHIS-PPQ, Otis Plant Protection Laboratory
Revised May 8th, 2003
Click on Genus for more information (link will open in new browser window)

Category1
Genus2
Common Name
Host Abundance 
in Infested Areas3
Listed for
Treatment4

Very good hosts
Acer
Maple, boxelder
Very Common
Yes
Aesculus
Horsechestnut, buckeye
Uncommon
Yes
Salix
Willow
Common
Yes
Ulmus
Elm
Very Common
Yes

Good hosts
Betula
Birch
Uncommon
Yes
Plane tree, sycamore
Common
Yes
 
Occasional hosts
Albizia
Mimosa, silk tree
Uncommon
Yes
Celtis
Hackberry
Common
Yes
Fraxinus
Ash
Very Common
Yes
Populus
Poplar  (excluding cottonwood)
Common
Yes
Sorbus
Mountain-ash
Uncommon
Yes
 
Questionable hosts
Hisbiscus
Rose-of-Sharon
Common
No
Malus
Apple, crab apple
Common
No
Morus
Mulberry
Very Common
No
Prunus
Cherry, plum
Very Common
No
Pyrus
Pear
Common
No
Quercus
Oak
Very Common
No
Robinia
Black Locust
Common
No
Tilia
Linden, Basswood
Common
No
 
No U.S. Record5
Alnus
Alder
Uncommon
No
Silverberry, Russian Olive
Uncommon
No
Melia
Chinaberry
Uncommon
No

Reported not to be hosts
Ailanthus
Tree of heaven
Common
No

 

1Host suitability based on records of relative infestation rates, rearing results, laboratory studies and Chinese literature.

2Host genera listed alphabetically within catagories.

3Host abundance based on program records , general oversvations of infested areas in NY and IL, and on Nowack, D.J., 1994. "Urban Forest Structure: the State of Chicago's Urban Forest." pp 3-18 In: E.G. McPherson et al., Chicago's Urban Forest Ecosystem: Results of the Chicago Forest Climate Project. Gen. Tech. Rep. NE-186, USDA Forest Service, Northeast Forest Experiment Sta., Radnor, PA.

4Trees listed for treatment are those receiving imidacloprid insecticides as a preventative measuse against the Asian longhorned beetle. Click here for more information from APHIS.

5Trees with no US record are reported to be hosts in China but have not been attacked in the US at this point.


 
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