When one designates mostly Arachnids or insects, which are useful for humans in any way, above all by the fact that them other insects, which are called for their part parasits, when food or landlord needs. One should hold oneself before eyes that this organization is related to humans exclusively.

The most well-known is:

Arachnids

In terms of figures and of the eating achievement the most important is the Arachnids (Arachnida). They are to be called since they nourish themselves nearly without exception of living insects and kind comrades; as food competitors they are not possible. Dangerously as disease carriers for humans only the Zecken can become and in warmer regions also scorpios. Isolated Arachnids can cause easy turning red or swelling of the skin by bite as defensive measure against humans; serious endangerments are not well-known. The spiders living in Europe are harmless for humans, since their poison or the Kieferklauen is much too weak (see also: Arachnologie).

To the Arachnids also the mites belong: Category: The most frequent and most remarkable of the Unterstammes of the Arachnida spread in the whole world is

• Web spiders (Araneae)
• Robbery mites (Stigmaeidae)

Insects

• Run beetle (Carabidae)
• Ladybird (Coccinellidae)
• or robbery beetle (Staphylinidae)
• Soft beetle (Cantharidae, Malacodermata)
• Ear worms (Dermaptera)
• Florfliegen (Neuroptera)
• Floating flies (Syrphidae)
• Crawler-type vehicle flies (Tachinidae)
• Assassin bugs (Heteroptera)
• Slip wasps (Ichneumonoidea)
• (Itonididae)

and others

Sometimes also bees and Hummeln as well as other flight insects are ranked among the since they are responsible for dusting of east trees and other useful plants.

See also

• List of the which can be also bred and bought
• Biological
• Nuisance

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