You may have black thunder bugs in your house for several reasons. They may be looking for a food source or they may be seeking shelter.
Those little black bugs are weevils.
They are little twerpy bugs.
I need you to be a little more specific.
Ticks
The most common black bugs in your hair are nits. However you will know wether its lice( a worse hair condition )if there are not little white eggs from nits.
that one
There are many insects that can be described as thin, black buzzing bugs that fly. The most common would be a mosquito, and a house or horse fly.
The bugs are fleas. Buy a flea powder and sprinkle the guinea pig according to the directions.
fleas
I think it's an black widow because I have seen one jump before and there black.
Black Beetles Eat Jeff they also eat other bugs and beetles and I know this from Experience I have a Beetle