Ants
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Transcript of Ants
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Ant Hill
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During the few seconds it takes you to read these four lines: - 40 humans and 700 million of ants are being born on Earth - 30 humans and 500 million ants are dying on Earth »
Les fourmis, Bernard Werber
There are about 12,000 species of ants on earth.
They represent 25% of the total terrestrial animal biomass.
This insect exists since 130 million years (2.5 for humanity).
They can leave 14 days under water.
They can resist 11 months while exposed to cesium radioactivity.
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One colony of russet ants kill : 8000 caterpillars, 3600 nymphs, 3300butterflys per day.
Magnans Queens can lay millions of eggs in their lives.
The biggest queen (Dorylus nigricans) is 6 cm long.
The Atta ant colony can occupy up to 100 square meters and move up to 40 tonnes of ground.
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Different casts:
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a. Princes/Princess
Male and female who don’t work Copulation in the sky Males die takes her wings off
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b. Queen(s)
Monogyne and polygyne Metamorphose: eggs, larva, nymphs
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b. Queen(s)
Metamorphose:eggs, larva, nymphs
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Eggs
Larva
Nymphs
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c) Soldier
Worker specialist Protect colony
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d) Workers
everybody doesn’t work (1/3) 10% of the workers are in the outside
Evolution : they begin with the queen/ as a builder/ as a hunter
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Superfamily
Suborder
Order Hymenoptera
Symphyta Apocrita
Apoidea
(Bees)
Cynidoidea
(Wasps)
Vespoidea
(Ants)
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1. Myrmicinae
2500 species
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Messor barbarusMyrmica rubra (red ant)
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2. Formicinae
2500 species
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Lasius niger (black ant) Camponotus fallax
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3. Ponerinae
900 species
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Cryptopone ochraceaPonera coarctata
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4. Dolichoderina
300 species
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Dolichoderus quadripunctatus Tapinoma erraticum
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Type of ant
Weaver (Tisseuse) Reaper (Moissonneuse) Charpentiere Esclavagiste Champignionniste
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Type of ant : Weaver
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leaf
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Small animals Proteins Sugar Seeds
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Dominant species Ant Human Pig Rat
Bernard WERBER
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• http://www.antweb.org/• http://www.myrmecos.net/anttaxa.html• http://www.antcolonies.net/• http://myrmecos.wordpress.com/2008/09/27/how-to-identify-queen-
ants/
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Tank you
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