Question

Differentiate between male and female cockroach on the basis of external morphology.

Answer 1

The body of male cockroach is smaller than the female. 2. The abdomen of male cockroach is slender and the last segment of the abdomen is pointed. ... The wings of male cockroach are larger than that of the females and extend beyond the abdomen.

Answer 2

Main differences between male and female cockroach :

Male cockroach Female cockroach

1.smaller than female. 1.larger

2 abdomen is slender 2.abdomen is

and pointed. boat shaped

and blunt

3.Anal style +nt and 3.Anal style - nt

but brood pouch

+nt

brood pouch - nt

4 Sternum of mesothorax is not bifercated 4. Sternum of

mesothorax is

5.antenna smaller

bifid

5.antenna relatively larger