PestHigh Severity

Asian Longhorned Beetle

Anoplophora glabripennis

A highly destructive invasive wood-boring beetle from Asia that attacks and kills healthy hardwood trees. This pest poses a severe threat to North American forests and urban trees.

Peak Season: Adults active July through October, can extend later in fall with warm temperatures. Larvae active year-round, pupation occurs in spring/early summer.
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Longhorned beetle showing characteristic features similar to Asian longhorned beetle with long antennae and wood-boring damage

Identification & Symptoms

What to Look For

Round exit holes in bark, about 3/8 inch diameter
Shallow oval egg-laying pits in bark
Yellowing and wilting foliage in upper crown
Fine wood dust (frass) at base of tree
Visible larvae galleries under bark

Potential Damage

Complete tree mortality within 2-3 years
Structural damage to wood making trees hazardous
Massive economic losses to forestry industry
Destruction of urban tree canopies

Lifecycle

Adults emerge in summer, mate, and lay eggs in bark pits. Larvae bore through wood for 1-2 years before pupating and emerging as adults.

Professional Treatment Approach

1

Immediate reporting to agricultural authorities required

2

Tree removal and destruction under regulatory oversight

3

Systemic insecticide treatments for high-value trees

4

Quarantine measures to prevent spread

5

Early detection monitoring programs

Recommended Mauget Products

Imicide

Professional-grade treatment specifically effective against asian longhorned beetle.

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Imisol

Professional-grade treatment specifically effective against asian longhorned beetle.

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Dinocide

Professional-grade treatment specifically effective against asian longhorned beetle.

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Need Professional Diagnosis?

Our certified arborists can help you accurately identify tree problems and develop an effective treatment plan using Mauget's proven injection systems.

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