Pestipedia - Our Pest Resource Guide

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Carpenter Ants

Pest Description

What is a Carpenter Ant?
Workers vary in size from 1/8″ to ½” and are black or combinations of black and red. The antenna is segmented, without a club, and the thorax lacks a spine. Ants are generally active along ant trails from April to mid-October. These trails follow natural contours and lines of least resistance and also frequently cut across lawns. Traffic on these trails may be noticeable during the day, but peak traffic occurs after sunset and continues throughout the night.


Why Should I Care?
Carpenter ants are more than a nuisance…they “mine” wood to create tunnels and chambers for living space. Although carpenter ants do not actually eat wood, this mining activity damages wood structures and can lead to tricky situations.
Carpenter ants’ prime food source is plant pests, especially aphids, scale, mealy bugs, and others that produce honey dew. Inspect your plants. Trim back shrubs and trees that touch your structure.


What Would Portland Pest Guard Do?
Portland Pest Guard has multiple professional treatment strategies to eliminate a carpenter ant infestation. After inspecting the structure and surrounding landscape, your specialist will work with you to determine the best approach for your situation.

Give us a call today at 503.720.8559 to learn more about Carpenter Ants or to schedule
an inspection!



*Portland Pest Guard provides pest control service to most cities in Western Oregon and Southern Washington. Including: Beaverton, Cedar Mill, Gresham, Lake Oswego, McMinnville, Portland, Tigard, Vancouver and surrounding areas.