BuzzSkito Mosquito & Tick Control Specialists · Published July 9, 2026
The 10-Second Check
- Is it attached to your skin and hard to brush off? → Tick. Remove it with fine-tipped tweezers, straight up.
- Count the legs. Eight legs means tick. Six legs plus antennae means bed bug.
- Where were you? Outdoors in grass or woods → tick. Waking up in bed with new itchy welts → bed bug.
- Still unsure? Photograph it from above and submit to eTick.ca for free tick identification within 1–3 days.
Why They Get Confused
The confusion is understandable. Both are small, brown, wingless, and both engorge after a blood meal — which changes their shape enough that a fed tick and a fed bed bug can look genuinely similar to the naked eye. An unfed blacklegged tick is roughly 3 mm and flat; engorged, it swells to pea-sized and turns a grey-blue. An unfed bed bug is a flat 5 mm lentil; after feeding it rounds out and darkens to deep red.
The features that never change are the leg count and the behaviour. Ticks are arachnids — eight legs, no antennae — and they stay latched. Bed bugs are insects — six legs, obvious antennae — and they never attach.
Bites: What Each One Leaves Behind
Bed bug bites typically appear overnight as several small, raised, intensely itchy welts, often in a rough line or cluster on skin that was exposed while sleeping — arms, shoulders, neck, legs. Multiple family members waking with similar bites is a strong bed bug signal.
Tick bites are usually solitary. Often the tick is still there. Once removed, the site may stay slightly red for a few days. The warning sign to watch for in Ontario is an expanding circular or bull’s-eye rash appearing days to weeks later, which can indicate Lyme disease and warrants prompt medical attention. In Ontario, a blacklegged tick generally needs to be attached for 24 or more hours to transmit Lyme, which is why daily tick checks after time outdoors are so effective.
They Need Opposite Treatments
This is the practical reason the identification matters. Bed bugs are an indoor structural pest. Eradicating them requires an interior exterminator treating mattresses, bed frames, baseboards, and furniture with heat or targeted chemicals — yard spraying does nothing.
Ticks are an outdoor pest. They quest from vegetation and never reproduce inside your home, so a single tick indoors is a hitchhiker, not an infestation. The effective control is outdoors: a tick barrier spray applied to lawn edges, leaf litter zones, fence lines, and shaded borders, plus short grass and a wood-chip barrier between lawn and woods. BuzzSkito treats yards across the GTA for ticks and mosquitoes; we do not treat bed bugs.