Incredible Small Little Bugs In House Ideas. The average length of domestic roaches is 15 mm. Web cockroaches are very common tiny brown house bugs with long antennae, oval, slender bodies, and six legs.

Web small flying bugs in house fungus gnats are little black flying insects that look like fruit flies but aren’t fruit flies. Web 17 common house bugs spiders, cockroaches, termites, and beetles are some of the most common bugs seen in a vast majority of homes. Web the following species of small red bugs are the most common either in the house or outdoors.