if your question is why does a dragon fly look like a crayfish? they don't look the same at all. the crayfish looks like a lobster but that is it.
they like to fly
A yellow jacket
A bee fly is a member of the fly family Bombyliidae, with adults which look like bumblebees.
E. W. Laake has written: 'Biology of the primary screw worm fly, Cochliomyia americana, and a comparison of its stages with those of C. macellaria' -- subject(s): Screwworm
What you saw is the Eristalis Tenax also known as the Drone Fly or Hover Fly.
it looks just like ours but microscopic
it is a blacl rou g thing
if you look like jade
it is a blacl rou g thing
they are colorfull and they flutter when they fly
No, but they might be carried when the food is transported.