Question

Which of the following features is used to identify a male cockroach from a female cockroach?

Options

• Forewings with darker tegmina

• Presence of caudal styles

• Presence of a boat shaped sternum on the 9^th abdominal segment

• Presence of anal cerci

Answer 1

Presence of caudal styles

Explanation:

The 9^th sternite (segment) of the male cockroach bears a pair of caudal styles that resemble spines and are used to distinguish male from female cockroaches.