A) Forewings with darker tegmina
B) Presence of caudal styles
C) Presence of a boat shaped sternum on the abdominal segment
D) Presence of anal cerci
Correct Answer: B
Solution :
Males bear a pair of short, thread like anal styles which are absent in females. Anal/caudal styles arise 9th abdominal segment in male cockroach.You need to login to perform this action.
You will be redirected in
3 sec