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Flying insects

Honeybee

Apis mellifera · Also called: Honey bee, western honey bee, European honey bee

Honeybees are lightly fuzzy bees, golden brown to almost black, kept by beekeepers across Alberta for honey and crop pollination. Homeowners usually notice them as a swarm, a large cluster of bees resting on a branch or wall in late spring or early summer.

Golden brown honeybees clustered in a hanging swarm on a tree branch
Quick facts

Size Workers about 12 mm long; queens are longer

Colour Golden brown to almost black, with darker bands and fuzz

Key feature Slim, lightly fuzzy brown body, often with pollen on the hind legs

Season Active spring to fall; swarms mostly in late spring and early summer

Where Swarms on branches, fences and eaves; colonies in walls, attics, chimneys

How to identify it

What it looks like

Honeybees are slimmer than most bumblebees. The body ranges from golden brown to almost black, with darker bands on the abdomen and short, light fuzz on the thorax. Workers often carry balls of yellow or orange pollen on their back legs. They are calm while feeding on flowers and seldom land on food or drinks.

A swarm looks alarming but is usually gentle. It is a hanging cluster of thousands of bees, often about the size of a soccer ball, clinging to a branch, fence or wall while scout bees search for a new home. A colony that has moved into a building looks different: a steady stream of bees at one gap in siding, a soffit or a chimney, day after day.

Often confused with

Yellowjacket

Yellowjackets are shiny, bright yellow and black, with almost no hair. They scavenge meat, sweets and garbage, while honeybees stick to flowers and water.

Bumblebee

Most bumblebees are larger, rounder and much fuzzier, often with bright yellow, orange or white bands. They live in small nests, not large colonies.

Drone fly

Drone flies look like honeybees but have only two wings, huge eyes and very short antennae. They hover in place and cannot sting.
Know the signs

Signs to look for

A cluster of bees outdoors

A dense, buzzing ball of bees on a branch, fence post or wall that appeared suddenly in late spring or early summer.

Steady bee traffic at one gap

Many bees flying in and out of the same crack in siding, a soffit, vent or chimney on every warm day.

Bees at water sources

Honeybees collect water, so a group at a pool, birdbath or dripping tap may come from hives or a colony nearby.

Humming or sticky stains

A loud hum inside a wall, or dark, sticky stains on a ceiling or wall, can point to an established colony with comb.
Why it matters

Risks and damage

Honeybees sting only to defend themselves or their colony. The barbed stinger stays in the skin, so scrape it out quickly with a fingernail or card. Most stings cause short-lived pain and swelling, but people with a bee venom allergy need medical help right away. A colony living in a wall can leave honey and wax behind that melt, ferment, stain walls and ceilings, and attract other pests if it is not fully removed.

In Alberta

Alberta is Canada’s largest honey producer, and managed hives are common on farms and in some Edmonton and Calgary yards. Honeybees are not native here. Swarms appear mostly in late spring and early summer. Wild colonies in walls are uncommon, since few survive an Alberta winter.

Did you know?

Alberta produces more honey than any other province. Much of it comes from bees working the province’s canola, alfalfa and clover fields.

Prevention

How to keep them out

Seal gaps before swarm season

Close holes in siding, soffits and around pipes in early spring. Scout bees look for dry, sheltered cavities for a swarm to move into.

Screen vents and chimneys

Fit sturdy screens on roof vents and chimney caps so a swarm cannot settle in the attic or flue.

Leave swarms alone

Do not spray, hit or throw things at a swarm. Keep people and pets back and let a beekeeper collect it.

Remove old comb completely

After a colony leaves or is removed from a wall, make sure all comb and honey come out, since the scent can draw new swarms and pests.
When to call

When it is time to bring in a professional

A swarm hanging on a branch or fence can sometimes be collected by a local beekeeper. Professional help is worth it when bees have moved into a wall, attic or chimney, since both the bees and the comb need to come out. Technica’s licensed technicians can confirm the species and help arrange relocation where possible.

Common questions

Frequently asked questions

Is a honeybee swarm dangerous?

Swarming bees are usually calm because they have no nest or young to defend yet. Keep people and pets back and do not disturb the cluster. It often moves on within a few hours to a couple of days. Volunteer beekeepers in Edmonton and Calgary may be able to collect a swarm.

Why can't bees in my wall just be sealed in?

Sealing a live colony inside can push bees into the home. Even if the bees die, the honey and wax left behind can melt, ferment, stain walls and draw other pests. The comb usually needs to be taken out and the space repaired.

How can I quickly tell a honeybee from a wasp?

Look at the body and the behaviour. Honeybees are lightly fuzzy and golden to dark brown and spend their time on flowers. Yellowjackets, the wasps most often seen at picnics, are shiny and bright yellow and black, and they come to meat, sweet drinks and garbage.

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