Drywood Termites: Identification, Pellets, and Wood Context

Entity scope

This profile covers household drywood termites within Kalotermitidae. Species, distribution, swarming seasons, and colony behavior vary.

Quick identity

Taxonomic scope: Drywood termites within Kalotermitidae
Colony context: Above-ground dry, sound wood
Soil contact: Not required
Common sign: Hard, dry fecal pellets expelled from wood
Winged adults: Two similar pairs of long wings
Key limit: Pellets alone do not prove current activity

Key characteristics

Colonies can live entirely within above-ground wood without soil contact.
Pellets are often six-sided or faceted under magnification, but household photographs may not show this reliably.
Swarmers share broad termite anatomy and require comparison with other termites and winged ants.
Old pellets can persist after activity changes, so freshness and repeat accumulation matter.

Where it is found

Structural lumber, trim, furniture, or other above-ground wood in regions where species occur.
Kick-out holes may allow pellets to accumulate below occupied wood.
Geographic likelihood is essential because drywood termite distribution is limited.

Behavior and activity

Colonies remain concealed within wood and may be difficult to detect from surface appearance.
Pellets are pushed out of galleries rather than used to build soil-connected shelter tubes.
Seasonal swarmers can indicate local reproductive activity but do not alone locate the colony.

Diet and resources

Cellulose within suitable dry wood.
No regular soil moisture connection is required.

Associated signs

Termite frass

Pellets or debris require context and do not identify a termite group by themselves.

Common lookalikes

Subterranean termites

Usually depend on soil contact and shelter tubes rather than dry pellets.

Dampwood termites

Occupy very moist or decaying wood.

Powderpost beetles

Wood-boring beetles produce exit holes and powder rather than termite pellets.

Why it matters

Pellets support an inspection question, not automatic confirmation

Repeated fresh pellets below compatible wood can be important evidence, but pellet-like debris has lookalikes and does not identify species, colony size, or structural severity.

Compare material, opening, wood, geography, and recurrence.
A qualified structural-pest inspection may be needed before treatment decisions.

Management direction

Preserve a sample and document where and when pellets recur.
Confirm the termite group and inspect the implicated wood.
Use a licensed local termite professional for structural assessment and treatment options.

Related Evidence

Termite frass

Pellets or debris require context and do not identify a termite group by themselves.

Related Guides

Termite control

Review inspection and treatment decision points after termite activity is supported.

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Reviewed guidance and sources

Last reviewed August 2026. Sources support the claims listed with them; their limits remain part of the review.

UC IPM — Drywood termites
Supports: Drywood termite biology, pellets, wood use, colony behavior, and structural context.
Does not support: Confirmation from pellets alone or one universal control method.
Scope note: California-focused structural-pest guidance; local species and regulations vary.
UC IPM — Subterranean and other termites
Supports: Differences among subterranean, drywood, and dampwood termite habitat, signs, biology, and inspection context.
Does not support: Species certainty from one wing, pellet, tube, or photograph; a universal treatment plan.
Scope note: California-focused structural-pest guidance; local species and regulations vary.