Just the same as anything else, they evolved from simpler creatures to fill the role their species occupies. Natural selection. Cockroaches are generally hearty and reproduce quickly, so they are not likely to die out while the surface of the Earth is still remotely inhabitable.
they carry diseases from all the stuff they walk on and could contaminate your food
because their dirty and carry diseases
Because they are very freaking annoying
Cockroaches & rats are common household pests which spoil & damageour food and other articles
zath- cockroaches, like most pests, eat our foor and carry deases, even though they are a pain in the *** to get rid of, we have to do it.
Bug killers. But don't kill them. They kill cockroaches and other pests
The climb, they crawl, they can get into most any nook or cranny in your house. They are pests and ugly.
No, they aren't actually "scary". But people get "scared" because they are pests and lay eggs everywhere, producing quickly.
Worldwide there are about 3,500 species of cockroaches. The United States alone is home to more than 50 different varieties. Of those species, there are about four kinds of cockroaches that are considered pests.
household pests can be defined as living things found in a house or home that may cause destruction to the house or home and discomfort to the people living in the house or home
Well, what you think matters. If they bite or injure anyone and begin to spread heavily, I suggest you defenitely call pest control.
Keep the business and garbage areas clean and eliminate possible entry points.
They are cockroaches,flies and rats because they are vectors of disease and can get access to food we consume if not controlled.
Spiders have many benefits. They help control other pests such as grasshoppers, cockroaches, and mosquitoes. Their venom has also been used to help with arthritis.
No they are not pests unlike any other cockroach. They don't bite or contain harmful fluids. They only have a couple of eggs. They wouldn't breed if they escape [they need to be in a very warm and damp place in order to breed]. They are an ideal pet for kids.