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 Arachnids
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Spider with a bee
Spider with a bee (Pictures of Arachnids)


Arachnids (Arachnida)
Arachnology is the science of arachnids (Arachnida), while Acarology is concerned only with animals with a spider-like appearance. Arachnids belong to the Phylum of Arthropods (Arthropoda) and the Subphylum Chelicerata. Arachnida can be classified as spiders (Araneae), whip spiders (Amblypygi), Solifugae, hooded tickspiders (Ricinulei), harvestmen (Phalangida), mites (Acarina) and ticks (Ixodida). The largest order within the arachnids are the Acarina.
Spider - Arachnid
Spider - Arachnid (Pictures of Arachnids)
Arachnid
Arachnid (Pictures of Arachnids)
Spider caught in a net
Spider caught in a net (Pictures of Arachnids)
The life span of arachnids, in contrast to that of insects varies widely. Their body growth is greatly limited by a rigid exoskeleton. Arachnids moult, after retreating into hiding and fasting. While most spiders moult hanging down from a thread (thread moulting) to spend the time of moulting on their backs.
Arachnida on cobweb
Arachnida on cobweb (Pictures of Arachnids)
Almost all spiders are land animals. They often remain hidden during the day and are active only at dusk or at night. The water spider is the only spider that lives in water. A number of species hunt on the water.
Arachnid 1 mm long
Arachnid 1 mm long (Pictures of Arachnids)
Birds are the most common spider predators. Amphibians, reptiles, and bats also prey on spiders on occasion. Some spider species (eg Mimetidae) feed exclusively on other spiders. Other natural enemies are: species of wasps, ants, dragonflies, ball flies, nematodes and mites.
Amongst humans, particularly in western industrialized countries, spiders have a bad reputation. This irrational aversion may in some cases lead to mental illness (arachnophobia). Some species of spiders are in fact dangerous to humans, for example, the black widow. In Cambodia, spiders are brutally killed and eaten. However in many Asian cultures, the spider is considered useful because it kills insects. In West Africa, the spider is considered a deity.


Further chapters of "Arachnids"
- Harvestmen
- Spiders
  - Zygielle x-notata
  - European Garden Spider
  - Tetragnatha montana
  - Walnut Orb-Weaver Spider
  - Pardosa amentata
  - Autumn spider
  - Money spiders
    - Platform hammock-spider
- Jumping Spiders
  - zebra spider
- Mites and Ticks
  - Trombidium holosericeum
- Crab Spiders
  - Heather Spider
- Running Crab Spiders
  - Philodromus dispar
  - Philodromus aureolus
- Cobweb spiders
  - Rabbit Hutch Spider
  - Enoplognatha ovata
- Meshweb Weavers
  - Nigma walckenaeri
- Orb-weaver spider
  - Wasp spider
  - Lobed argiope
  - Oak spider
  - Long-jawed orb weavers
    - Pachygnatha listeri
Description of images / photos
Photography with Cameras
Nikon D3x, Nikon D300, Canon 50D
Image editing with Photoshop
1. Spider with a bee
2. Spider - Arachnid
3. Arachnid
4. Spider caught in a net
5. Arachnida on cobweb
6. Arachnid 1 mm long
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