a male cockroach has an anal style while a female does not have it..
By putting her on his back and carrying her away
She does not lay eggs and she can not have nymphs without a male
The difference between male and female cockroaches is tough to see unless you get up close to the roach. In the female cockroach, the seventh abdominal segment is divided in two, but it is not divided in the male cockroach.
i think that one is big and one is small
Hi friend, I may not be to the point on your question but here are some interesting facts and details about cockroach that may try and answer your questions regarding cockroaches. http://scienceray.com/biology/interesting-facts-about-cockroach/
The anal region of the cockroach is used to secrete digested materials. This area is very small and hard to see with the human eye.
No. Only female cockroaches lay eggs. There is no male insect of any kind which lays the eggs. A female cockroach will lay anywhere between 10 and 40 eggs in a batch, and a total of around 30 batches of eggs during her lifetime.
Yes! but once impregnated the female is fertilized rest of her life. This basically means that cockroaches do not need to keep mating to get pregnant.
A male.
because the male will try and get on the female
if it is a female it will be sitting if it is a male it will be jumping
You cannot tell weather a caterpillar is male or female.