Bed bugs range in size from about 1/6th of an inch to 1/8th of an inch. They are reddish-brown to brown and have a flat and ovular shaped body about the size of an apple seed. These unappealing critters feed exclusively on blood.
Bed bugs get their name from their favorite hangout, the bed. They also live in furniture, clothing and around warm spaces, like heaters. Because they favor warmth they also hide in electronics, making bed bug control all the harder. The best way to visually inspect for them on your own is to check the creases at the edge of your mattress for what looks like black pepper like in this picture.