The female roach carries an egg-sac on her abdomen. She drops this sac a few days before the young roaches (nymphs) are ready to hatch. German Roaches Young roaches look much like the adults and are capable of surviving on their own as soon as they emerge into the world.
Professional services to control German roaches will focus on sanitation, elimination of harborages, and treatment of nesting areas. It is very common for professional treatments to require follow-up services in the weeks following an initial service. Controlling German roaches is not easy and it is not a do-it-yourself job!