Out of the 4000 known species of cockroach only 20 types are classified as pests.
Cockroaches' favorite food is the glue on envelopes and on the back of postage stamps.
A German cockroach can survive a month or more without food...but less than two weeks without water.
A cockroach’s head will live and respond for at least 12 hours after the animal has been decapitated.
One female cockroach can produce two million offspring in one year. Average breeding session produces 35,0000 offspring.
Some female cockroaches are devoted mothers, carrying their offspring in little pouches like kangaroos. One species even nourishes her young in the uterus with a milk rich in protein, carbohydrates, and fat.
The largest cockroach is Megaloblatta longipennis of Columbia (that name is not a joke...honest). The largest specimen ever recorded was a female that measured 3.81 inches long by 1.77 inches across!
The fastest land moving insects are the tropical cockroaches. They can move 50 body lengths per second. This would be equivalent to a human sprinter running the 100 yard dash in 1 second or approximately 200MPH!