Dead-leaf Mantis (Deroplatys truncata)Triangle Dead leaf mantis which originally comes from Southern Asia. These mantis mimic crumpled fallen leaves, giving them a superb natural camouflage. These Mantids may look fragile, but are a relatively hardy species. Size: Size depends on species and sex, but adult mantis size range from 75 85mm in size. Females are substantially larger and heavier then males. Habitat: Provide plenty of good climbing branches. Housing: For mantids, a screen cage