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Featured species

Text © K. Reißmann, T. Hörren, M. Stern, F. Bötzl and C. Benisch

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14.10.2016
Plegaderus dissectus Er., 1839
Plegaderus dissectus
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10 
The only 1 to 1.5 mm large clown beetle Plegaderus dissectus (family Histeridae) is one of only five representatives of the genus in Germany. Worldwide, the genus comprises 28 species, thereof 14 in the Nearctic region. The distribution of Plegaderus dissectus ranges from Central and Southern Europe to the Caucasus. The stenotopic, silvicolous and lignicolous species lives in deciduous forests and parks in decaying stumps of deciduous infested with white rot., as well as in tinder fungus on beech and associated with ants, mainly Lasius brunneus and Formica cunicularia. They are thought to be preying on the larvae of bark beetles. Due to their small size they are often overlooked. In Germany, Plegaderus dissectus ist present in almost all Federal States, but is regarded as vulnerable (RL 3). (CB)


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