Insects and other invertebrates

Insects and other invertebrates

Apart from the most important forest pests many highly protected species belong to the taxonomic group of the insects. Other invertebrates are especially active in the soil as either pests or as beneficial organisms.

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  (7 articles)
Hawk moths and willowherbs

The majority of moth species live in the tropics, however, about twenty of them live here among us. A number of these excellent flying acrobats can also be found in the forests and a couple of these moths truly adore the willowherb.

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Red wood ants in Switzerland

Red wood ants play a vital role in our forests. With their numbers apparently in decline, it is important that we learn more about them: not only how they benefit the forest but also what they require from their habitat.

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Cycles and importance of the larch budmoth

The grey larch budmoth is a small moth that reproduces in masses in a regular cycle of eight to ten years. Its caterpillars feed on larch needles, which causes larch forests to turn reddish brown during a mass outbreak.

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Insects benefit from storms in the forest

Storm-ravaged woodland is approximately twice as rich in insect species as undamaged forest. Many endangered forest insects benefit from the brighter, warmer climatic conditions there.

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Sunlight and Deadwood – a paradise for wood living beetles

Over the last three decades there have been intensive discussions about leaving deadwood in forests. It is undisputed that more deadwood needs to be left in forests if the variety of species is to be increased. New habitats for many species including rare ones are being created by additional thinning out.

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The Natural Enemies of Bark Beetles

The biology and the environmental needs of bark beetles are already well known. The knowledge about their antagonistic agents however is limited.

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About the Biology of the Eight-Toothed Spruce Bark Beetle Species

In Switzerland, the large spruce bark beetle causes the most damage economically among all forest insects. In order to take preventative action and control measures, profound knowledge about the life of these beetles is paramount. (66)
  (7 articles)
Heading image: Thomas Reich