Question

Which of the following is characteristic feature of cockroach regarding sexual dimorphism?

Options

• Presence of anal styles.

• Presence of sclerites.

• Presence of anal cerci.

• Dark brown body colour and anal cerci.

Answer 1

Presence of anal styles.

Explanation:

Male cockroaches possess unique, thread-like anal styles located at the rear of their abdomen. These sensory appendages serve as an early warning system, detecting environmental changes and potential dangers. This feature is exclusive to males, as females do not have them.