Parasit / Land and forestry - Economy-point.org

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The expression parasit is a collective designation for animal species, those in relation to humans and the culture damage as a carrier of infections, when destroyers of the biomass cause or as a food competitor.

The term depends thus on the value conceptions of the society. The evaluation of the damage happens thereby from purely economic perspective of humans and is no term of biology. However Neobiota than are partly evaluated harmful for ecological systems.

A transferred meaning experienced the term with the expression "public enemy" by the propaganda of the national socialism, which tried to devalue humans on the stage of low and harmful animals.

Arising parasits accompanies with the development of cultures. In particular the Monokulturen promote the development of kinds of parasit. By climatic changes or extremes (heat, dryness) parasits are often favoured.

Among substantial parasits are ranked among other things:

Insects
- Apple rewinding stand
- Sheet lice
- Blue
- Bark beetle
- German scrapes
- Oak splendour beetle
- Oak process ion crank
- Oak rewinding stand
- Fichtengespinnstblattwespe
- Flea
- (Thripse)
- Fruchtschalenwickler
- Common wood worm, often only as gnawing beetles designates
- Kiefernbuschhornblattwespe
- Kieferneule
- Kiefernspanner
- Small spruce sheet wasp
- Louse
- Mite
- Moth
- Nun
- Sponge crank
- Split pin wood beetle
- Termites
- Grape/cluster rewinding stand
- White fly
- Seed owl
Mushrooms
- Fire crust mushroom
- Genuine dry rot
- Hallimasch
- Cellar sponge
- Nectriapilz
- Phytophthora
- Wart sponge
- Scale sponge
Mammals
- Rabbit (Australia)
- Rats
- House mouse