In cockroach, fertilised eggs are stored in the dark reddish to blackish brown capsule, (about 3/$8^{II}$ (8 mm long) called oothecae. On an average, females produces 9-10 oothecae, each containing 14-16 eggs
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.