Macropanesthia rhinoceros1. 1 sexed pairs size: about 1 Worlds heaviest roach. Awesome bulldozing roaches from the down under. You wont understand how impressive these long lived roaches are until you hold an adult in your hand. These roaches are super easy to raise, and in my experience grow quicker then most online reports say. Heat and oak leaves are the secret. Keep the enclosures next to a heat source to keep one end of the cage warm and dry, while the other end should