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A form of protective mimicry, especially in insects, in which a species that is palatable or harmless closely resembles an unpalatable or harmful species and therefore is avoided by predators.
[After Henry Walter Bates (1825-1892), British naturalist.]
(Zoology) zoology mimicry in which a harmless species is protected from predators by means of its resemblance to a harmful or inedible species
[C19: named after H. W. Bates (1825–92), British naturalist and explorer]
Bates′i•an mim′icry(ˈbeɪt si ən)
mimicry in which a species with poor defenses resembles another species that more successfully avoids predators.
[after Henry Walter Bates (1825–92), English naturalist]