ANT IDENTIFICATION

Pavement Ants in Ontario

Ontario pavement ant identification, nesting behaviour, indoor trail signs and practical prevention.

Pavement ants in London, Ontario, Tetramorium immigrans
Actual reference photo: Tetramorium immigrans. Ryan Hodnett / Wikimedia Commons — source and licence.
IDENTIFICATION

What pavement ants look like

Pavement ants are small brown to black ants that often travel in defined trails. They can be seen around cracks in concrete, foundation edges and ground-level entrances.

HABITAT & BEHAVIOUR

Where activity develops

Colonies commonly establish beneath pavement, slabs, stones and foundation areas. Workers may enter kitchens and lower levels while searching for food and moisture.

VISIBLE EVIDENCE

Signs worth documenting.

01

Small dark ants along floor edges

02

Soil displaced near cracks or patio stones

03

Trails leading to sweet or greasy food

PREVENTION

Make the property less favourable.

Prevention depends on correct identification and the conditions supporting activity. These steps are a practical starting point.

Seal accessible foundation cracksClean spills and store food securelyReduce gaps beneath exterior doors

Identification before treatment

Similar-looking pests can require very different responses. Avoid applying a product until the pest, location and permitted label directions are clear.

Serving Eastern Ontario

Emerald Pest Control serves Belleville, Kingston, Trenton, Napanee, Brighton, Stirling, Picton, Quinte West and surrounding communities.

LOCAL PEST HELP

Not sure whether it is pavement ants?

Send a clear photo and tell us where it was found. We can help confirm the pest and discuss appropriate next steps.

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