Biology & Reproduction

Wood Boring BeetleLyctid, mostly commonly known as powderpost beetles, are considered a wood destroying insect. There are about 11 species of powderpost beetles throughout the United States, but they’re usually a reddish brown color with a hard outer shell to cover its wings. Females lay 15-50 eggs in exposed wood pores, cracks or crevices. Once they hatch, the larvae will tunnel only within sapwood and wood grain if that’s where they were laid. As they tunnel, a fine, powder-like frass is pushes out of the hole. When the larvae are halfway through the growth cycle, it’ll tunnel to the surface and construct a chamber. There, it’ll become an adult and leave the wood between late winter and early spring. If under favorable conditions, growth will take 9-12 months, but it can last from 2-4 years or more. Then it’ll live out its adult life in 1-3 months.

Habits

Powderpost beetles will attack sapwood, hardwood, lumber, and sometimes manufactured wood. Oak, hickory, ash, and bamboo are most prone to an attack.  If the wood has a finish on it, it’ll prevent any egg lying. Adults are active at night, are able to fly, and are attracted to light.

Control

There is no effective do-it-yourself method for control and elimination of powderpost beetles. Since they are considered a wood destroying insect, any infestation left untreated can cause serious damage and result in costly repairs.  Professional maintenance is highly recommended.

Provider was extremely knowledgeable and professional. Explained chemicals that would be used clearly. Also, he had a great sense of humor!

-Dianne Holliman

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