Small, flat, oval-shaped insects
Reddish-brown color
About the size of an apple seed
Wingless body
Visible antennae
Six legs
Dark spots on mattresses, sheets, or furniture
Rust-colored stains from crushed bugs
Shed skins near sleeping areas
Tiny white eggs or eggshells
Musty, sweet odor in heavy infestations
Bites appearing in clusters or lines on skin
Signs on seams, cracks, and crevices of beds or furniture