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These beetles belonging to the Bostrichidae family (including rodent beetles, knock beetles, poch beetles) are common worldwide with around 500 species and in Europe with 50 species. The 2 to 20 millimeter long insects have elongated cylindrical, slightly flattened bodies and are either strong, fine or not hairy at all. The head with oval eyes is covered by a hood-like shield. The larvae, also known as woodworms, are similar grubs (Beetle larvae). Some species are even linked to certain plants. The drill beetles or their larvae penetrate woody parts of plants and can cause serious damage. The larvae feed on dead and living tissue. In the United States California and Oregon will too vines infested that are in the wood of the shoots burrow. Effective control is achieved by cutting off all dead and dying wooden parts as well as the infected plant parts. See also under Vine enemies,

Bohrkäfer - Bostrichus capucinus

Photo: Christoph Benisch -

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