Ground beetles are a common pest found by home and business owners throughout Southwestern Ontario. Here’s a look at what you should know about the common ground beetle, how to identify an infestation and how to get rid of ground beetles in your home.

What Are Ground Beetles?

Ground beetles are members of the family Carabidae, which is one of the largest and most common beetle families in North America. There are 800 species in Canada alone and 2600 spread across the continent. As their name suggests, they often live underground or under logs, rocks, leaves, or boards.

What Do Ground Beetles Look Like?How to get rid of ground beetles in your home

Ground beetles can be between 2 and 25 mm long, and they tend to be long and oval. Most species are dark, but some can have iridescent shells that come in a variety of metallic colours like blue, copper, green, orange, red, yellow, or a combination of those colours.

Are Ground Beetles Harmful?

Not very. They don’t damage property or transmit disease. They don’t even lay eggs inside. They can, however, damage crops or vegetable gardens by eating the seeds, pollen, or shoots of plants. They can be considered a nuisance by homeowners if an infestation is found.

Why am I Finding Ground Beetles In My Home?

Ground beetles are attracted to light. They will often gather in large numbers around a well-lit building before entering. Ground beetles also like dark and damp hiding spaces, so many people will find ground beetles in their basements or under objects.

Problems Caused by Ground Beetles:

Ground beetles can be considered beneficial, for they eat invertebrate pests and seeds from weedy plants, however, no homeowners likes to discover a ground beetle in their home. They can also cause problems for gardens, farms and homes as they eat seeds from houses and crops. Some ground beetles are even known to produce foul smelling secretions.

Detecting a Possible Ground Beetle Infestation In Your Home:

Ground beetles are most likely to enter homes during the middle or end of summer. They are drawn by light and will often congregate around a light source before entering. Ground beetles do not breed indo