The myth that cockroaches lay eggs when killed is a longstanding misconception. This myth developed due to an erroneous understanding of the cockroach egg sac. In reality, roach eggs are not fully developed. Instead, they contain the nymphs that will develop in a safe environment. As such, it is unlikely that you will see an egg in your home if you kill a cockroach.
Often, cockroaches will lay eggs in hard-to-reach places. However, the eggs can be easily removed by using gloves and paper towels. You can also use a vacuum cleaner to eliminate the eggs. Alternatively, you can crush them using a plastic bag. In either case, you should dispose of the bag far away from your home.
Cockroaches have been known to multiply rapidly. You can see this in the old books that cockroaches leave behind. In addition, if you squish a cockroach, you will squish its eggs. This will speed up their reproduction.
The egg cases of cockroaches can contain between thirty and fifty eggs. You can determine which species of cockroaches you are dealing with by looking at the egg cases. They are about a quarter to half inch long and are curved like a banana. Cockroaches lay an egg sack once they’re mature, and the average adult American roach will lay between sixteen and 50 eggs. However, the female German cockroach carries her egg case on her body for most of the embryonic stage.