Caerostris sexcuspidata aka the common bark spider occurs in Southern Africa, and on islands off the east coast of Africa, such as Madagascar, the Comores and Aldabra Island. It is a nocturnal orb-web spider, the female constructing a large orb web some 1.5 metres across, stretching between trees or shrubs. Its dorsal surface is cryptically coloured with horny projections which aid in camouflage; legs are drably coloured seen from above and clearly zebra-striped when viewed f