How to tell a carpenter bee from a bumblebee

They're big, fuzzy, buzzy... and a little bit clumsy. One's an important and prolific pollinator, while the other does damage that outweighs any pollination benefits. 

Check out RESCUE! Carpenter Bee TrapStik

Here are some key ways to tell the difference between carpenter bees and bumblebees



Carpenter bee appearance:

Carpenter bees have a bare, shiny abdomen that's all black. They measure about 1 inch long. The thorax on some carpenter bee species is yellow; other species have a white, black, brown or blue thorax. 

Carpenter bees have a fuzzy thorax and a shiny black abdomen.

Bumblebee appearance:

A bumblebee's head, thorax and abdomen are all fuzzy. The thorax has a thin yellow band, and the abdomen is yellow and black. Bumblebees can range from 3/4 inch to 1.5 inch in length.

Bumblebees are all fuzzy, with yellow stripes.

Carpenter bee nests:

Carpenter bees make their nests in wood, drilling a hole and then turning 90 degrees to excavate a tunnel in which to lay eggs. 

Carpenter bees make their nests in wood.

Bumblebee nests:

Bumblebees build their nests close to the ground, in places like compost heaps, wood or leaf piles, or abandoned rodent holes. 

Bumblebees nest in the ground.

Carpenter bee colony:

Carpenter bees are solitary bees and do not form colonies. They live in small nests constructed by one female who bores into wood to lay her eggs in several small cells. 

Carpenter bees are solitary and do not form colonies.

Bumblebee colony:

Bumblebees are social insects that live in colonies of 50-400 bees. There is one queen, and the other bumblebees gather food to serve her and care for the developing larvae.

Bumblebees are social insects that live in colonies of 50-400 bees.

Carpenter bee habits:

Carpenter bees hover around wood siding, decks, eaves and fences to excavate a nest or feed the larvae inside.

Carpenter bees bore into wood.

Bumblebee habits:

Bumblebees visit flowers to collect pollen and nectar. They can make flowers release pollen through the fast vibration of their wings. 

Bumblebees visit flowers to collect pollen and nectar.

Carpenter bee aggression:

Male carpenter bees are known for "buzzing" the heads of humans in an aggressive manner, but they cannot sting. Female carpenter bees can sting if the nest is threatened.

Male carpenter bees are aggressive, but only the females can sting.

Bumblebee aggression:

A female bumblebee can sting, and will do so repeatedly without losing its stinger. Bumblebees are typically not aggressive unless the nest is threatened. 

Female bumblebees can sting, and don't lose their stinger.

For many, the costly structural damage caused by carpenter bees outweighs any beneficial aspect of their presence, which is why we created the Carpenter Bee TrapStik®. Just hang the TrapStik® horizontally near untreated wood or wherever you notice carpenter bees hovering, and you can catch them before the damage is done. 

Spring is the best time to catch carpenter bees before they mate, but TrapStik® can be used throughout the summer and early fall to get rid of carpenter bees. 

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