At maturity, adult cockroaches will be able to mate and reproduce, and the adults of some species will have wings. Most cockroaches are oviparous, which means their young ones develop in eggs outside the mother's body. Download Diagram Showing Life Cycle Of Cockroach For Free Life Cycles Cockroaches Life A female cockroach can lay somewhere around 18+ “ootheca” in her lifetime and each “ootheca” contains up to 50 eggs, which means a female roach can lay approximately 50×18=900 eggs in her lifetime. Cockroach life cycle drawing . The female cockroach emits a specific, volatile, odorous sex attractant or pheromone to draw the male to her for mating. This stage of cockroach’s egg is calling the “capsule stage” and this is the first stage of the cockroach life cycle. The exoskeleton is thick and hard made up of calcareous plates called sclerites. A cockroach undergoes three developmental stages throughout its life: The distribution of cockroaches is quite cosmopolitan in n...