The cockroach is also called cockroach or cockroach in Europe , cockroach in Canada and ravet in the West Indies .

These insects are considered " harmful " because of the habits of some of their species. In total, less than 1% of known cockroach species interact with humans and can be truly considered undesirable.

The so-called “ pest ” species are synanthropic and are found mainly in kitchens, where they feed on human waste.

The approximately 6,000 species distributed across the world vary in shape, color and size.

Their appearance on Earth dates back almost 355 million years.