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Flat bark beetle

Latin name of species:

Cucujus cinnaberinus

Protection status:

This species is included in Annex II of the Habitats Directive. Species included in the International and Lithuanian Red Data Book, protection status category - endangered (EN B1b (ii, iii) c (ii))


Body flat, 11-15 mm long, black. The head, chest and wings are red. Antennas, legs and cheeks are also black. The head and back are finely spotted, shiny, and the wings are smooth, matte. It lives after the bark of withered or drying deciduous trees - elm, oak, poplar, alder, rarely under the bark of spruce. The larvae are predatory, feeding on the larvae of insects living in the bark. The duration of development is two years. Beetles hatch in August-September. and shall remain wintering under the bark of the trees. The larvae of the first year also winter there. Adults are active in May-June, then they can be found on tree trunks and logs.

The biggest threats are the deteriorating quality and fragmentation of habitats, the isolation of populations due to intensive forestry, deforestation and sanitary felling. In order to protect the species, it is necessary to leave drying or withered trees in the habitats of beetles, as well as to leave some fallen trees or broken large branches in their habitats.

Source of the information:

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