carnivore, consumer
third-level consumer.
A bird that stalks, kills, and then eats an insect could be described as a carnivore, a predator, or a consumer. Each of these terms imply that the bird gains energy from eating other organisms.
predator ?
He stalks and kills the children of the parent's that are responsible for his own death.
It locates and stalks viable prey. After stalking its prey, it attacks, kills and then eats the prey.
An insecticide usually kills any type of insect in your garden
The organisms which eat insects are called insectivores.
I believe the movie you are thinking of is Scream.
It may not harm you. But it is immensely painful to have any insect in your ear. You have to fill the ear with spirit. It instantly kills the insect. Then your doctor will take out the dead insect from your ear, very easily.
army ant!
A substance that kills insect; a toxic substance used to control populations of insects by killing them.