"Verity (1920)" . . "1920"^^ . . . "Verity, R. 1920. On Zygaena rhadamanthus, Esper, with special reference to the races of its subspecies oxytropis Boisd. The Entomologist's record and journal of variation, 32(9): 158-162." . "Verity (1920)" . . "1920"^^ . .