Experimental prey.—Blattella germanica, England? (Pocock, 1893).
Periplaneta americana, nymphs, England? (Cloudsley-Thompson, personal communication, 1956): This scorpion is found naturally in southern Europe and North Africa.
Euscorpius italicus italicus (Herbst)
Experimental prey.—Cockroaches including nymphs of Periplaneta, England? (Cloudsley-Thompson, 1951): The cockroaches had to be disabled before the scorpion would feed on them. Prey is apparently detected by tactile and auditory senses, sight being poorly developed and not used. The scorpion is found in southern Europe and North Africa.
Family VEJOVIDAE
Hadrurus arizonensis Ewing
Experimental prey.—Periplaneta americana, U.S.A. (Stahnke, 1949): This record is a photograph showing the scorpion eating the cockroach.
Family ISCHNURIDAE