Batesian mimicry is a form of mimicry wherein a harmless species has evolved to imitate the warning signals of a harmful species in order to benefit from these signals' tendency to deter their mutual
Plate from Bates 1861, illustrating Batesian mimicry between Dismorphia species (top row and third row) and various Ithomiini (Nymphalidae) (second and bottom rows). A non-Batesian species, Pseudopieris nehemia, is in the centre.
Henry Walter Bates described the form of mimicry that bears his name in 1861.
The yellow-banded poison dart frog (Dendrobates leucomelas) has conspicuous aposematic coloration.
The hoverfly Spilomyia longicornis is an imperfect Batesian mimic of wasps, lacking their long antennae and wasp waist.
Müllerian mimicry is a type of biological mimicry in which two or more well-defended species, often foul-tasting and sharing common predators, converge in appearance to mimic each other's honest warni
Batesian mimicry
…are many other forms of mimicry, some very similar in principle to the Batesian variety, others far separated. Batesian mimicry is often compared with Müllerian mimicry, the mutually beneficial, converging appearance of two or more harmful species. Batesian mimicry is often thought to be diametrically opposed to…
The viceroy butterfly (top) appears very similar to the noxious-tasting monarch butterfly (bottom). Although it was for a long time purported to be an example of Batesian mimicry, the viceroy has recently been discovered to be just as unpalatable as the monarch, making this a case of Müllerian mimicry.
A common morph of Ranitomeya (Dendrobates) imitator is aposematically striped black and yellow, but in other areas, other morphs imitate differently coloured species.