no they leave little bit marks and that is because of were they have sucked your blood it doesnt matter were they do it, it will always be bit marks
Scratches can be removed from concrete by sanding them. They can also be removed by applying a thin scratch coat.
If the bugs are indoors, esp kitchens they may be silverfish.
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.
snake
thin air they thought
No.
Rockets into space poke holes in it. Aircraft cause it to thin. Combustion exhaust and cooling towers cause it to thin. Older refrigerants cause it to thin. Cutting down forests causes it to thin.
They eat with a thin tube called a proboscis
Fleas are smaller than gnats are very thin. These flying bugs are attracted to the white metal frame on above ground pools.
Does Vitamin B Complex cause blood to thin
It's just a protective cover over the screen to prevent scratches
subduction boundary