swarm
Infestation perhaps, but a plague of locusts.
pee
what do we call the energy motion
A large number of people together is called a crowd or a group.
you call them legs
Entomology is the study of insects and entomologist is a person who studies insects.
Expressing the result of a very large number or even a very small number is what we call scientific notation.
Some insects have wings but not all insects have wings. Also if you don't know the harmful aspects of these insects then you can't control them. You can call this number to know the harmful aspects of all the insects +1 855 640 0327 (Toll-Free)
A motion
arthropoda
A Swarm
The energy related to motion is called "kinetic energy".