What Is the Difference Between Carpenter Bees and Bumblebees?
Carpenter bees and bumblebees look similar, but carpenter bees have shiny black abdomens and drill into wood to build nests. Bumblebees have fuzzy striped abdomens and typically nest underground or in sheltered spaces.
What Are Carpenter Bees?
Carpenter bees are large bees that resemble bumblebees, but their nesting habits set them apart. Instead of building hives, carpenter bees tunnel into wood to create nesting galleries.
These bees commonly target:
- Decks
- Wooden siding
- Fascia boards
- Fence posts
- Outdoor furniture
- Eaves and trim
Female carpenter bees bore perfectly round holes into wood, then create tunnels where they lay eggs. Over time, repeated nesting activity can cause cosmetic damage and weaken wooden structures.
While carpenter bees rarely sting, males often hover aggressively around people and pets while guarding nesting areas.

What Are Bumblebees?
Bumblebees are social bees that live in colonies, usually underground or in sheltered spaces. Unlike carpenter bees, they do not damage wood.
Bumblebee nests are often found in:
- Abandoned rodent burrows
- Tall grass or landscaping beds
- Compost piles
- Under sheds or decks
- Occasionally inside wall voids
Because they live in colonies, you may see multiple bumblebees flying to and from the same location. They are excellent pollinators and play a vital role in local ecosystems.
Bumblebees are generally docile, but they will sting if their nest is disturbed.
Carpenter Bees vs. Bumblebees: Key Differences
Although they appear similar at a glance, a few visual and behavioral clues make it easier to tell them apart.
Appearance
Carpenter Bees
- Shiny, smooth black abdomen
- Less fuzzy overall
- Often seen hovering near wood structures
Bumblebees
- Fuzzy, hairy abdomen with yellow and black stripes
- Rounder, fluffier appearance
- Commonly seen visiting flowers
Nesting Behavior
Carpenter Bees
- Bore into wood to create tunnels
- Usually nest individually or in small groups
- Leave behind small piles of sawdust beneath entry holes
Bumblebees
- Build nests underground or in hidden spaces
- Live in colonies
- Do not damage wood structures
Activity Around Homes
Carpenter bees tend to focus their activity around exposed wooden surfaces, while bumblebees are more often seen moving between flowers and landscaping areas.
Why Carpenter Bees Can Become a Problem
While carpenter bees are beneficial pollinators, they can become problematic when they begin nesting in structural wood around a home.
Common signs of carpenter bee activity include:
- Perfectly round holes in wood surfaces
- Yellowish staining beneath entry holes
- Small piles of sawdust
- Bees hovering around decks, railings, or trim
Over time, repeated nesting and expansion of tunnels can cause wood damage and attract other pests, such as woodpeckers, which sometimes peck into the wood to reach the larvae.
In the spring and summer months, carpenter bee activity is especially common around homes in Metro Atlanta and Upstate South Carolina, where our team at Bizzy Bee Exterminators frequently helps homeowners protect decks, trim, and other exposed wood from damage.
Preventing Carpenter Bees Around Your Home
Homeowners can reduce the likelihood of carpenter bee activity by:
- Painting or sealing exposed wood
- Replacing damaged wood surfaces
- Repairing existing bee holes
- Reducing untreated wooden surfaces outdoors
However, once bees establish nesting galleries, professional treatment is usually the most effective solution.
Professional Carpenter Bee Control in Atlanta and Upstate South Carolina
If carpenter bees have started drilling into your deck, siding, or fence, professional treatment can help stop the damage and prevent new nesting activity. Carpenter bee infestations often return year after year if the tunnels are not properly treated and sealed.
As a locally owned pest control company serving Metro Atlanta and Upstate South Carolina for years, Bizzy Bee Exterminators understands the common pests homeowners deal with in this region—including destructive carpenter bees. Our technicians provide targeted treatments designed to eliminate active nesting sites and help prevent future damage to decks, trim, fences, and other wooden structures.
We proudly help homeowners throughout communities such as Acworth, Marietta, Alpharetta, Greenville, and Spartanburg protect their homes from carpenter bees and other common pests.
If you’re seeing large bees hovering around wooden areas of your home, it may be time for a professional inspection. Contact Bizzy Bee Exterminators to schedule an inspection and learn how our local pest control experts can help protect your home from carpenter bee damage.














