Key Points. 1  The most anterior portion of the pubis, the pubic symphysis, is where the two hip bones of the pelvis are fused together. 2  The pubis has a body, a superior ramus, and an inferior ramus. 3  The body of the pubis contributes to the lunate surface and acetabular fossa in the acetabulum.
American cockroaches generally live in moist areas, but can survive in dry areas if they have access to water. They prefer warm temperatures around 29 Â°C (84 Â°F) and do not tolerate cold temperatures.
Cockroaches can live for weeks without their heads. As crazy as this sounds, entomologists have actually decapitated roaches to study this phenomena. Lop the head off a roach, and a week or two later it will still respond to stimuli by wiggling its legs.