Critical Differences Between Carpet Beetles and Bed Bugs

Adult bed bugs are slightly larger than carpet beetles, typically measuring about 4 to 5mm in length. Carpet beetle larvae are the critters that get mistaken for bed bugs, because they are commonly found in bedrooms. That is where the similarity stops. Do you have tiny bugs in your home but can’t tell if they’re carpet beetles or bed bugs? While both can be a nuisance, knowing the difference is crucial for effective pest control. 

Is it a Bed Bug, Cockroach or Carpet Beetle? Bed Bugs: Reddish brown flattened and oval in … Carpet Beetles: Round, solid brown to blackish This guide will help you identify these common household pests and take the right steps to eliminate them.

The main difference lies in their diet:

• Bed bugs feed on the Blood of humans and animals.
• Carpet beetles feed on natural fibers like wool, carpets, and clothing.

Bed Bugs: The Bloodsuckers

• Appearance: Oval-shaped, reddish-brown, flat bodies about the size of an apple seed. Wingless.
• Behavior: Nocturnal, hiding in mattresses, bedding, and furniture during the day.

• • Signs of Infestation: Itchy bites, often in a line or cluster

• • Blood stains on sheets

• • Dark fecal spots on bedding

• • Musty odor

Carpet Beetles: The Fabric Destroyers

• Appearance: Oval-shaped, with a variety of colors and patterns. Adults have wings and can fly. Larvae are tiny and fuzzy.
• Behavior: Adults are attracted to light and are often found near windows. Larvae prefer dark, undisturbed areas like closets and under furniture.

• • Signs of Infestation: Damage to carpets, clothing, and upholstery

• • Shed larval skins

• • Adult beetles near windows or light sources