VISUAL MIMICRY. Various kinds of mimicry Batesian mimicry: resemblance of harmless species to some...
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Transcript of VISUAL MIMICRY. Various kinds of mimicry Batesian mimicry: resemblance of harmless species to some...
![Page 1: VISUAL MIMICRY. Various kinds of mimicry Batesian mimicry: resemblance of harmless species to some non-edible species that signals their unsuitability.](https://reader035.fdocuments.net/reader035/viewer/2022081718/551437235503466d1a8b531a/html5/thumbnails/1.jpg)
VISUAL MIMICRY
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Various kinds of mimicry
• Batesian mimicry: resemblance of harmless species to some non-edible species that signals their unsuitability to possible predators
• Müllerian mimicry: resemblance of aposematic signals of different non-edible species
• Peckhamian mimicry: resemblance of predators’ messages to messages of some species, or to some objects, that are harmless to their prey
• Wasmannian mimicry: occurs when the mimic resembles it's host in order to live within the same nest or structure
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Batesian mimicry
•
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Batesian mimicry
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More Batesian mimicry
The toxic sea slug Phillidiella pustulosa (left) is mimicked by a harmless flatworm Pseudoceros imitatus
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More Batesian mimicry
The harmless Allobates zaparo (top)
mimics the poiseness
Epipedobates biliguis (middle)
and the even more toxic species
E. parvalus whenever these species
share their habitats
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More Batesian mimicry
The venomous coral snake Micrurus fulvius and its non-
venomous mimic the king snake Lampropeltis triangulum
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More Batesian mimicry
The viceroy butterfly Limenitis archippus (left) has evolved to mimic and look like the foul-tasting and
poisonous monarch butterfly Danaus plexippus
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More Batesian mimicry
The filefish Canthigaster valentini (left) mimics the unpalatable puffer Paraluterus prionurus
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The Harlequin Snake eel (Myrichthys colubrinus) mimics the Banded sea snake (Laticauda colubrina) an extremely toxic species with conspicuous black and white warning colouration
More Batesian mimicry
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The mimic octopus (Thaumoctopus mimicus) has the ability to mimic other aquatic creatures in order to
avoid predation
More Batesian mimicry
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Müllerian mimicry
Many stinging wasps, like (from left to right) Vespula vulgaris, Vespula germanica and Vespula rufa share the same or similar
black and yellow aposematic colour pattern.
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Müllerian mimicry
Subspecies of Heliconius erato
(left-hand column) and of
H. melpomene on the right.
Both species are toxic and form
a local mimicry ring from a different
area of Ecuador or northern Peru
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Müllerian mimicry
The unpalatable soldier beetles (Cantharidae) mimic the distateful lycid beetles (Lycidae) and, when flying, the wasp
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More Müllerian mimicry
Unpalatable caterpillors of St. Jacobbutterfly mimic stinging wasps and venomous coral snakes
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The use of black and yellow as a warning sign (RESEMBLING POISENESS SPECIES)
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This anglar fish (Antenarius sp.) displays a lure resembling a small fish
Peckhamian mimicry
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In its mouth, the Alligator snapping turtle (Macroclemys temminckii) possesses a wormlike projection that is moved to attract prey into the turtle’s mouth
Peckhamian mimicry
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The orchard spiders (Celaenia sp.) mimic bird droppings to look unappatising and attract moths by scent
More Peckhamian mimicry
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The bolas spider Mastophora hutchinsoni emits chemical attractants that mimic the sex pheromones of its moth prey
More Peckhamian mimicry
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Some spiders like the Synemosyninae and the genus Myrmarachne mimic ants that they hunt
More Peckhamian mimicry
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Lightning bugs (Lampiridae) have specific flash sequences to find eachother. Females of the genus Photurus can imitate the flash sequence of Photunis females in order to attract male wich they will devour .
More Peckhamian mimicry
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The fly orchid (Ophrys insectifera) and the Venus Flytrap, (Dionaea muscipula) attract insects that they digest
Peckhamian mimicry in carnivorous plants
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Aposematic colouration:(maybe) I’m poiseness
Sea slugs of the genus The distasteful grasshopper Chromodoris Acripeza reticulata
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More aposematic colours:(maybe) I’m poiseness
Warning colours in amphibians and insects
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Beetles like the Staphylinidae (right) and Phosphaenus hemipterus (left) mimic scorpions that may scare predators.
Signs of warning:(maybe) I’m dangerous
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Some planthoppers (Homoptera) mimic jumping spiders probably to avoid some predators, such as ants and even the jumping spiders
Signs of warning:(maybe) I’m dangerous
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More signs of warning:(maybe) I’m dangerous
The false eye-spots in some species may frighten off or throw into disorder their predators
Madoryx oiclus
Polyphemus Moths
Pleurodema thaul
Papilio troilusChaetodon captistratus
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Some beetles mimic ants in order to be provided with food, shelter and protection
Wasmannian mimicry
Araeoschizus sp. Reichenbachia spatulifer
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Camouflage
The moth Datana sp. (Notodontidae) mimics the rain forest floor
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The frog Paradoxophyla palmata mimics the mud and tree trunks in its environment.
Camouflage
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The insect Phyllium giganteum mimics a leaf to disguise itself
Camouflage
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The praying mantis Hymenopus coronatus uses its elegantly-lobed hind legs and pink and white coloration to camouflage itself amongst the native orchid flowers
Camouflage
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The pygmy seahorse Hippocampus bargibanti mimics gorgonian corals of the genus Muricella
Camouflage
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The starry flounder Platichthys stellatus makes use of melanophores and chromophores to adapt to the sea floor
Camouflage
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The great bittern Botaurus stellaris is pretty well camouflaged in its natural habitat
Camouflage
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The zebra Equus burchelli and the leopard Panthera Pardus may look conspicuous to us but are quite difficult to spot at dusk, especially when beïng “colour-blind”
Camouflage
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Egg-spots
Among cichlids the males of maternal mouthbrooders wear “egg-dummies” on their anal fin that are crucial to mating