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Termite education

Drywood vs. subterranean termites

California homes face both. Each lives differently and needs a different treatment. Here's how to tell them apart and what to do.

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Side by side

How the two types compare

Drywood
Subterranean
Where they live
Inside the wood itself
Underground, in the soil
Soil contact
Not needed
Required (moisture)
Tell-tale sign
Frass (pellet droppings)
Mud tubes on foundation
Colony size
Smaller, localized
Very large, fast-growing
Common spots
Attics, framing, furniture
Foundation, crawlspace, slab
Best treatment
Local treatment or tenting
Soil treatment / trenching

Know your enemy

The two you'll meet in California

Most SoCal infestations are one of these two. Here's a closer look at each.

Lives inside the wood
Drywood

Lives inside the wood

No soil contact needed. Common in attics, framing, fascia and furniture.

  • Frass: small pellet droppings
  • Discarded wings near windows
  • Hollow-sounding wood
Lives underground
Subterranean

Lives underground

Needs moisture and soil contact. Builds mud tubes to reach your home's wood.

  • Mud tubes on the foundation
  • Large, fast-growing colonies
  • Extensive structural damage

Know the difference

Carpenter ant or termite?

The #1 mix-up homeowners make. Here's how to tell them apart.

Winged carpenter ant vs. termite swarmer — elbowed vs. straight antennae, unequal vs. equal wings
Carpenter Ant
Termite (swarmer)
Antennae
Bent / elbowed
Straight, bead-like
Waist
Narrow, pinched ("wasp waist")
Broad, no waist (uniform body)
Wings
4 wings, front pair longer (unequal)
4 equal-length wings, longer than body
Shed wings
Rarely piles up
Discarded wings pile near windowsills
Wood
Does NOT eat wood, carves smooth galleries to nest
EATS wood (cellulose)
Signs / frass
Sawdust-like shavings with insect parts
Hard pellet frass (drywood) or mud tubes (subterranean)
Activity
Forages in the open
Hides inside wood, avoids light

Not sure which you have? Get a free inspection. If it's termites, that's exactly what we do.

Treatment options

  • Drywood: local spot treatment
  • Drywood (widespread): fumigation / tenting
  • Subterranean: soil treatment & trenching
  • Both: wood repair after treatment
  • Follow-up to keep them from returning

Termite questions

Drywood & subterranean, answered

Not sure which you have? Call (562) 500-3921 for a free inspection.

Both are widespread in SoCal. Drywood termites are extremely common in coastal and inland homes; subterranean termites thrive wherever there's soil moisture against the structure.

Look for the tell-tale signs: small pellet-like frass means drywood; mud tubes running up the foundation mean subterranean. A free inspection confirms it for sure.

They can, if conditions invite them. That's why we repair damaged wood and give you follow-up guidance, and for widespread drywood, full fumigation clears the whole structure.

Every year or two is smart in Southern California, and always before buying or selling a home.

Not sure which termite you have?

Schedule your free inspection today, we'll identify it and tell you straight.

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