Which of the following features is used to identify a
male cockroach from a female cockroach?
(a) Presence of a boat-shaped sternum on the 9th
abdominal segment
(b) Presence of caudal styles
(c) Forewings with darker tegmina
(d) Presence of anal cerci
male cockroach from a female cockroach?
(a) Presence of a boat-shaped sternum on the 9th
abdominal segment
(b) Presence of caudal styles
(c) Forewings with darker tegmina
(d) Presence of anal cerci