Tanganyika.—From Kulumusi caves, near Tanga. The eyes of this cockroach are reduced to a pair of slender streaks (Shelford, 1910a; Chopard, 1932a).

East Africa.—Chopard (1936).

Apotrogia angolensis

Belgian Congo.—A troglophile without well-marked adaptive characters. Collected in moist sand on floor of a sandstone grotto inhabited by bats (Chopard, 1927, 1950a). Taken in many caves in Bas Congo (Leleup, 1956).

Apteroblatta perplexa

East Africa.—Accidental inhabitant of cave (Chopard, 1936).

Arenivaga grata

Arizona.—"A female and many nymphs were taken by Flock in the guano in a bat cave in the Tucson Mountains" (Ball et al., 1942).

Aspiduchus borinquen

Puerto Rico.—In limestone cavern by thousands in grass and on walls (Rehn and Hebard, 1927; Rehn, J. W. H., 1951a).