There are approximately 4500 species of cockroaches worldwide. The US alone houses at least 85 different types of roaches. Most roaches, including palmetto bugs, have a size ranging between 1 to 2 inches in length. But interestingly, the largest cockroaches are found in the wild, and they are too big to believe. Larger Than Guinness … Continue reading World Biggest Cockroach (LARGER than Guinness Book)