Megaloblatta
Megaloblatta is a genus of Neotropical cockroaches in the family Ectobiidae. Species in this genus are long and can have a wingspan of up to ; the world's largest cockroach by length and wingspan is M. longipennis.
Megaloblatta, like many other insects, use stridulation in order to steer their predators away. The stridulating insects are less likely to be preyed upon in comparison to individuals of the species with an inability to stridulate.