Asian Longhorned Beetle
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What is it?

The Asian longhorned beetle (ALB) is an exotic pest threatening a wide variety of hardwood trees in North America. Adults are large (0.75 - 1.50 inches long) with very long black and white banded antennae.  The body is glossy black with irregular white spots.  The beetle was introduced into New York City, Chicago, New Jersey, Massachusetts, Ohio in the US and Toronto, Ontatio Canada and is a serious pest of hardwood trees. Adults can be seen from late spring to fall depending on the climate.  Learn more about it's biology, how to distinguish ALB from other native insects, and what trees it infests.


Recent News

May 12, 2014: USDA declares part of Boston, MA ALB Free

April 11, 2014: APHIS adds portions of the towns of Oyster Bay, Huntington & Babylon on Long Island, NY to the ALB Regulated Area

May 14, 2013: Manhattan and Staten Island, NY Declared ALB Free, but ALB continues to threaten  Brooklyn, Queens and central Long Island.

April 5, 2013: Minister of Agriculture announces ALB is eradicated in Canada

March 14, 2013: New Jersey declares itself ALB free!

Click here for the News Archive


The Problem

ALB attacks and kills many hardwood trees, such as maple, elm, horsechestnut, ash, birch, poplar, willow and many more.  ALB could significantly disrupt the forest ecosystem if it became established over a large area.  Click here for a list of ALB host species and to view some frequently asked questions.



ALB is currently infesting trees in Ohio, Massachusetts and New York.  In the past, infestations were found in Illinois and New Jersey in the US and Toronto, Ontario in Canada, and have since been eradicated.  ALB has been intercepted in warehouses or at ports all over North America
Click here to find out if you live near an infestation and to view maps of the quarantined areas.



The Asian longhorned beetle is currently infesting trees in Massachusetts, New York and Ohio. If you see this beetle call the USDA toll free:  1-866-702-9938 or report it HERE.

Click here to view other state Contacts as well as contacts in Canada.



A number of research projects have been initiated to better understand how to manage ALB.  These include projects that range from general biology of the beetle to the potential impact of ALB on the American landscape.  Click here to read summaries from some ALB research.



Quarantines have been established around infested areas to prevent accidental spread of ALB.  All infested trees are being removed, chipped, and burned.  Regulations on solid wood packing material from China have been established by the Animal and Plant Health Inspection Service (APHIS).  Click here to learn more about ALB management


Learn more about ALB!


Wanted: The Asian Longhorned Beetle Booklet
USDA-APHIS Program Aid No. 1655
. 16 page brochure (1.61 MB PDF)

Get your free copy of the US Forest Service's Video:'Asian Longhorned Beetle: First Line of Defense' (Available in English or Spanish)

You can watch the USDA video now online!
Click on image or link above to view movie.
[File size: 120 MB and may take a few minutes to load depending on connection speed.]


Watch a movie about ALB.
Click on image or link above to view movie.
Video: Courtesy Rick Hoebeke, Department of Entomology, Cornell University


The Ohio Department of Natural Resources has created a fine Flash animation about the Asian Longhorned Beetle.

Click here to view the animation. [You need Macromedia Flashplayer to view animation.]

Public Awareness Materials


Click here to view more public awareness materials such as brochures, posters, and displays!

Webmasters - help stop ALB! click here.


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Last updated on July 7, 2014








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