Are cockroaches and bedbugs beneficial to humans in any way?

I have to disagree wholeheartedly with Joshua James. Only a very few of the over 4,500 species of cockroaches in the world are pests to humans. While, yes, these few species can be harboring diseases, cause a lot of annoyance, and ruin food and other products, many more are providing crucial nutrient cycling. read more

Cockroaches can be beneficial if you are looking for an unusual pet that is easy to handle and love making creative or natural environments for something to live n and explore. But not bed bugs. I do not know what good they do. They not even a sign of bad living conditions as anyone can get bed bugs these days. Even from buying new furniture. read more

If you have unexplained bites, that's a good way to know. You can also look for their blood droppings. The excrement is a liquid that varies from either light brown to black and can either bead up or be absorbed by the surface. read more