STORED-PRODUCT PESTS

Spider Beetles in Ontario

Spider beetle identification and storage-area prevention for homes and commercial properties.

Shiny spider beetle with rounded body and long legs, Gibbium psylloides
Actual reference photo: Gibbium psylloides. Gunther Tschuch / Wikimedia Commons — source and licence.
IDENTIFICATION

What spider beetles look like

Spider beetles are small rounded beetles with long legs and antennae, giving them a spider-like appearance. Colour ranges from reddish brown to dark brown.

HABITAT & BEHAVIOUR

Where activity develops

They feed on a wide range of dry organic material and may occur in pantries, warehouses, old bird nests and quiet storage voids.

VISIBLE EVIDENCE

Signs worth documenting.

01

Small round beetles in storage

02

Activity near old dry goods

03

Beetles wandering from hidden voids

PREVENTION

Make the property less favourable.

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

Remove old food and nesting debrisImprove storage rotation and containmentInspect quiet voids when activity persists

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 spider beetles?

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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