Drywood Termite
Genera Kalotermes & Incisitermes
Unlike subterranean termites which builds colonies in soil,
drywood termite colonies do not need contact with soil moisture nor any other water source.
As their name suggests, drywood termites are typially found attacking dry wood that may be
above ground level. Commonly found in in structural wood of homes and buildings, fence and
utility posts, furniture, moldings, door and window frames, dry wood termites pose a significant
risk to homeowners.
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- Drywood Termite Appearance:
- Larger than subterranean termites, up to one-half inch long; no worker caste in the colony.
- Soldiers
measure 3/8-inch in length;
- Male and female
reproductives grow to 1/2-inch long. During the winged stage there are four
equal size wings that extend longer than the body by 1/8- to 1/4-inch.
- Usually pale brown in color.
- Drywood termites have soft bodies and are cylindrical in shape. They have six legs, compound
eyes and chewing mandibles.
- Drywood Termite Habits:
- Create colonies in wood, with no connection to the ground necessary; often found in attic wood; need
very little moisture.
- Drywood Termite Diet:
- Once termites have entered a building they do not limit themselves just to wood, also damaging paper,
cloth, carpets, and other cellulosic materials.
- Drywood Termite Reproduction:
- Nymphs pass through seven instars before reaching adulthood; sexual forms eventually swarm
to form new colony.
- Other Drywood Termite Facts:
- Cause serious damage to structures, often long before they are discovered
- Piles of sawdust-like
pellets called Frass are a distinct sign of infestation
- Not as widespread as subterranean termite
- colonies may contain up to 2,700 members.
- Drywood Termite Prevention Tips:
- Store firewood away from the house.
- Use 20-mesh screen on all windows and doors, and especially at ventilation openings for attics
and crawl spaces.
- Exposed wood that is sealed with a uniform coating of paint, varnish or other sealant will help
prevent easy access by drywood termites. Be sure to seal nail holes and cracks.
