Large scale insect calamities present a danger to forest enterprises. But even small scale devaluations in timber can add up to large losses. Counter-measures are often time consuming and must be expertly deployed.

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Spreading dynamics of the European spruce bark beetle in the Black Forest National Park

The goal of the research is to identify the locations that are preferred by I. typographus and thus would be particularly at risk for infestation. To achieve this, the specific characteristics of landing sites are analyzed to determine the preferred stand and terrain structures that are preferred during dispersion.

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Bark beetles - a topical issue

The bark beetles are often a problem for spruce trees. To counteract the problem effectively, it is crucial that forest owners and forest managers are well-informed on the issue. You will find answers to the FAQ here.

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Jewel beetles - beneficiaries of dry summers

Jewel beetles, also known as metallic wood-boring beetles, profit in two ways from a dry summer: firstly because the warm summer accelerates their development, and secondly because the forest trees are weakened by the drought.

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Bark beetles, beware: The three-toed woodpecker!

Three-toed woodpeckers predominantly prey on bark beetles and play a key role in controlling beetle populations in forests dominated by conifers. Their impact is greatest where they occur year-round and thus also breed there. For this, the average deadwood volume needs to be at least 33 m3 per hectare. (12)
Measures against insect pests

We see that certain insect species can, through an outbreak, cause problems and therefore appropriate action must be taken. In this article we have collected web links and information about this topic.

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The Insect Pest Handbook: Prevention – Identification – Action

Besides bark beetles & Co, there are many other insects that can cause considerable damage to forests. What can be done when beetles, caterpillars or aphids are threatening the forest? (13)
Prevention of damage from insects – prevention is better than cure

Near-natural forests are the best prevention for a potential pest outbreak. But other measures can be productive too. In this article we have collected web links and information about this topic. (28)
Who's eating my forest? Insect knowledge and identification

For the correct monitoring and application of defensive measures one should identify insect pests as early as possible. Here you can see how you can identify insect pests with books or internet sites or check to see if there is an expert who can help you further. (12)
The monitoring and prognosis of insect pests

The most important forest insects are monitored using different methods. With this information one can draw conclusions about the size of the populations, recognize hazards and take the appropriate defensive measures.

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Prevention and Control of Bark Boring Insects

The most effective way of reducing bark beetle damage to conifers is "clean" forest practise.

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Heading image: Beat Wermelinger