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Southern wood ant

Southern wood ant

An ant colony consist of a queen, male ants and workers.

Biology

Keywords

ant, wood ant, ant colony, social insect, state-forming insects, queen, colony, male, worker, pupa, complete metamorphosis, ontogeny, egg, larva, chewing, antenna, chitin layer, chitin, forest, formic acid, arthropod, insects, arthropods, animal, insect, biology

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Scenes

Southern wood ant

  • queen - A fertile female, which loses its wings after being fertilised. Its function is laying eggs.
  • eggs - The queen lays them. They develop into larvae then into imagoes (adults).
  • larvae - They hatch from the eggs and develop into pupae.
  • pupae - They develop from larvae then become imagoes (adult ants). Pupae are seemingly in diapause, but actually significant changes take place in their bodies.
  • worker - Infertile female with varied functions, including taking care of larvae, protecting the colony and collecting food.
  • male - Its function is fertilising the queen.

Queen

  • membrane wings (2 pairs)
  • chewing mouthparts
  • antenna
  • compound eyes
  • walking legs (3 pairs)
  • thorax
  • head
  • abdomen

Male

  • membrane wings (2 pairs)
  • chewing mouthparts
  • antenna
  • compound eyes
  • walking legs (3 pairs)
  • thorax
  • head
  • abdomen

Worker

  • chewing mouthparts
  • antenna
  • compound eyes
  • walking legs (3 pairs)
  • thorax
  • head
  • abdomen

Ant colony

Animation

  • queen - A fertile female, which loses its wings after being fertilised. Its function is laying eggs.
  • eggs - The queen lays them. They develop into larvae then into imagoes (adults).
  • larvae - They hatch from the eggs and develop into pupae.
  • pupae - They develop from larvae then become imagoes (adult ants). Pupae are seemingly in diapause, but actually significant changes take place in their bodies.
  • worker - Infertile female with varied functions, including taking care of larvae, protecting the colony and collecting food.
  • male - Its function is fertilising the queen.
  • chewing mouthparts
  • antenna
  • compound eyes
  • walking legs (3 pairs)
  • thorax
  • head
  • abdomen

Narration

Multitudes of ants can often be found on forest litter or even on tree trunks. One of the more well-known ants, the southern wood ant, lives mainly in pine forests.
The cone-shaped nests of southern wood ants are called ant colonies, which may grow up to 1 metre tall. Members of the ant colony are the workers, the short-lived, winged males and the queen. The queen has a large abdomen.

The workers are 4–9-millimetre-large, reddish brown, infertile females. Their antennae, compound eyes and strong mandibles are located on their large heads. The mandibles have an essential role in delivering material to the colony, carrying offspring and acquiring food. Ants capture their prey with their mandibles, and then inject toxins from their abdomens into the wounds of their prey.

Southern wood ants consume a large number of caterpillars and worms, but they also eat organic matter. For this reason, their work is indispensable in forests. Large colonies collect and destroy 2–2.5 million insects annually. Workers only eat a small portion of the food they collect, the rest they take home. When the returning wood ant encounters its hungry partner, the partner indicates his hunger by hitting the forehead of the ant with its mandibles. The worker then lifts its head and gives some food to its partner through its mouthparts. The leftovers are given to the larvae or the queen.

Males are responsible for fertilising the queen.

After mating, the queen loses its wings and lays its eggs. The eggs develop into larvae, which turn into pupae and later into imagoes (adult ants).

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