Differentiate between male and female cockroaches on the basis of external morphology.
The female cockroaches are larger in size and are boat-shaped.
The male cockroaches are smaller in size and slender in shape.
The female cockroach | The male cockroach |
The female cockroach is larger in size. | The male cockroach is smaller in size. |
The body is boat-shaped and blunt. | The body is of slender shape. |
The 2nd and 6th segments contain 2 ovaries. | The 4th and 6th segments contain pair of testes. |
Wings are smaller. | Wings are larger. |