South Africa.—Numerous in four deep-level gold mines on the Witwatersrand.
Sumatra.—Numerous males and females from Sawah Lunto "'from a coal mine where they lived in great numbers on the faeces of miners'" (Hanitsch, 1929).
Periplaneta australasiae
Sarawak.—Found swarming on walls of caves and in soft bird guano in company with Symploce cavernicola (Moulton, 1912).
Tonkin.—Chopard (1929a); Colani (1952).
Periplaneta cavernicola
Malaya.—Taken on walls of inner caverns, where they were particularly abundant (Chopard, 1919).
Periplaneta lata
Tonkin.—Chopard suggested that its presence in caves is probably linked with man (Chopard, 1929a; Colani, 1952).