USDA Asks Public to Assist Verify Timber for Asian Longhorned Beetle


USDA Asks Public to Assist Verify Timber for Asian Longhorned Beetle


Rhonda Santos



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Suzanne Bond


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WASHINGTON, July 31, 2023—The U.S. Division of Agriculture (USDA) declares August as “Tree Verify Month” for the Asian longhorned beetle (ALB). USDA and its companions are asking the general public to examine their bushes for this invasive insect and the harm it causes and restrict the motion of ALB-host supplies, akin to firewood. August is an important time of 12 months to search for the beetle as a result of it’s when individuals are almost definitely to see grownup beetles.

The ALB is an invasive, wood-boring beetle that assaults 12 kinds of hardwood bushes in North America, akin to maples, elms, buckeyes, birches, and willows. Infested bushes don’t get well and ultimately die. Infested bushes additionally grow to be security hazards since branches can drop and bushes can fall over, particularly throughout storms. In its larval stage, the insect feeds inside tree trunks and branches, creating tunnels because it feeds, then adults chew their means out within the hotter months, leaving about 3/4-inch spherical exit holes. As soon as they exit a tree, they feed on its leaves and bark earlier than mating and laying eggs, which creates one other technology of tree-killing beetles.

“You may assist us shield extra bushes and get rid of the beetle from america. In case you take a stroll, have a look,” stated Josie Ryan, APHIS’ Nationwide Operations Supervisor for the ALB Eradication Program. “The earlier we spot the beetle, the earlier we will help cease its unfold.”

The grownup beetle has distinctive markings which might be straightforward to acknowledge:

A shiny, black physique with white spots which might be about 1” to 1-1/2” lengthy.

Black and white antennae which might be longer than the insect’s physique.

Six legs and ft that may seem bluish in shade.

Indicators {that a} tree may be infested embody:


Spherical exit holes in tree trunks and branches concerning the measurement of a dime or smaller.

Egg websites which might be shallow, oval, or spherical wounds within the bark the place sap may weep.

Sawdust-like materials referred to as frass discovered on the bottom across the tree or on the branches.

Branches or limbs falling from an in any other case healthy-looking tree.


You may assist cease the unfold of the ALB and get rid of it by checking bushes and limiting the motion of ALB-host supplies, akin to firewood. Doing this retains infestations from spreading to new areas. In case you take a stroll, have a look!

Report it: In case you suppose you discovered a beetle or tree harm, report it by calling the ALB hotline at 1-866-702-9938 or submitting an internet report at Attempt to {photograph} the ALB or tree harm. In case you can, seize the beetle in a sturdy container and freeze it, which helps protect the insect for identification. Then report it.

Cut back unfold: In case you reside in an ALB quarantine space, please hold the tree-killing pest from spreading. Comply with state and federal legal guidelines, which prohibit the motion of woody materials and untreated firewood that may very well be infested.

It’s potential to eradicate ALB. The ALB program eradicated beetle infestations in Illinois; Boston, Massachusetts; New Jersey; Brooklyn, Queens, Manhattan, Staten Island, and Islip in New York; and a portion of East Fork State Park, and Stonelick and Monroe townships in Ohio. This 12 months’s efforts will give attention to inspecting bushes for gratis to property homeowners in quarantined areas in Worcester County in Massachusetts; central Lengthy Island in New York; Clermont County in Ohio; and Charleston and Dorchester counties in South Carolina.

For extra details about the ALB and the eradication efforts, go to For native inquiries or to talk to your USDA State Plant Well being Director, name 1-866-702-9938.

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