How To Identify German Cockroaches | Get Rid of ...
Soap; Toothpaste; Life Cycle. Each egg case, or ootheca, contains approximately 30 to 40 eggs. This egg case is then carried by the female until 1 to 2 days before hatching. Depending upon the conditions, the average time for development, from egg to adult can range from 54 to 215 days, with an average of approximately 100 days. Reproduction