These flies live in my gym changing room
There are always 10 or 15 buzzing around. Black and around 3mm size. It’s a closed room with no windows or external doors so they don’t come in from outside. There are only lockers and showers - so plenty of water, but no food. What are these insects and what do they live on?
There are always 10 or 15 buzzing around. Black and around 3mm size. It’s a closed room with no windows or external doors so they don’t come in from outside. There are only lockers and showers - so plenty of water, but no food. What are these insects and what do they live on?