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