Wiktionary
infestations
n. (plural of infestation English)
Usage examples of "infestations".
The traps are useful for reducing infestations, letting you know where most of the cockroaches are and proving that you have got rid of them, but by themselves these traps will not eliminate all your cockroaches.
This principle can be used to determine where the worst flea infestations really are.
Millions are treated each year for infestations of head lice, and these pests seem to be increasing.
Heavy infestations can cause yucky, spongy patches on the outside of the bulb.