https://techcrunch.com/2023/12/23/deal-dive-f-u-bed-bugs/

Bugs can be, well, pests. They can cause serious damage inside homes and buildings, and can also wreak havoc outdoors on crops and plants. The amount of chaos and calamity these little fellas can cause is directly tied to one factor: how many of them there are.

Most people don’t realize they have a bug problem until there are enough of them to cause noticeable damage to homes, furniture or wildlife. And by the time they do, the problem may already have become a bit unwieldy.