describe differance between reproductive system of male and female cockroach

In females:

• 7^th sternum; boat-shaped
• The 7^th, 8^th and 9^th sterna form the genital pouch (brood).
• Anterior part of genital pouch contains gonopore, spermathecal pores and collateral glands.

In males:

• Genital pouch lies at the hind part of the abdomen
• Genital pouch is bounded dorsally by the 9^th and 10^th terga, and ventrally by the 9^th sternum.
• Genital pouch contains dorsal anus, ventral male genital pore and gonapophysis.
• Bear a pair of short, thread-like anal styles which are not present in females