In support of this, studies of insects tend not to indicate that emotions would prove evolutionarily advantageous to them. The more i learned, however, the more respect I gained for my cosmopolitan companions. The Cockroach Control Manual, which Ogg co-wrote, explains the subtle differences among the four. German cockroaches prefer dark, humid areas with little air movement, especially sink traps, leaky faucets, standing water, and wet sponges. American cockroaches are more often found in boiler rooms, in heated steam tunnels, and around water heaters.
Oriental cockroaches prefer basements, crawl spaces, sewer pipes, and other cool, damp locations.
Although cockroaches appeared on this planet some 350 million years ago, their body structure hasn't changed much, and they obviously aren't going anywhere. Heads aside, they often regenerate lost body parts when they molt. According to The Compleat Cockroach , written by David George Gordon and published in 1996, a cockroach's nerves carry impulses so quickly that warning messages can lead to rapid leg movement in 0.045 seconds, literally the blink of a human eye. They can tell by the puff of a cat's breath that it's time to run. They find comfort in cracks as narrow as one-sixteenth of an inch.