What Are the Tiny Bugs on My Windowsill?

Tiny bugs on your windowsill could be any number of things, but common culprits are clover mites and carpet mites. Clover mites are plant-feeders, while carpet mites eat any natural fibers, as well as dead skin and other foods. You may also see booklice on a windowsill.

What are these tiny bugs on my window?

Clover mites will crawl from the ground to invade your home through cracks and tiny openings around windows and doors. Inside, you may find them crawling around window sills, on walls, or directly on windows. No larger than a pinhead, these red bugs will leave behind a tell-tale stain when smashed.

What are tiny black bugs on window sills?

Booklice tend to hang out in windows as well as in the books that give them their name. Since they feed on molds, reducing the humidity that encourages mold growth is the simplest way to control these tiny, harmless pests. When you wiped the window sills with dilute bleach, you probably killed their food source.