Best thing to do either way is bomb fog your whole house.
Tiny insect flying on carpet.
Sounds like you have either a flea infestation note fleas are very small but do not fly they jump or the start of a termite infestation.
They leave their molted skins behind so you might find small piles of fuzzy skins in infested pantries closets or drawers.
Often they ll just fly inside your home but can also get inside on pets or clothes.
Two major home invaders are the carpet bug better known as the carpet beetle and the maggot which is actually a house fly larvae.
Hitching rides on cut flowers clothing or pets or simply flying though open windows.
Carpet beetles are covered in tiny hairs which are difficult to see unless you look at them under magnification.
Carpet beetle larvae are elongated and appear to be fuzzy or hairy.
Once inside carpet beetles dermestids can settle in and lay.
They enter your home in a myriad of ways.