Featured speciesText © K. Reißmann, T. Hörren, M. Stern, F. Bötzl and C. Benisch
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29.10.2021
Cychramus variegatus (Hbst., 1792)
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The 5 to 7 mm large sap beetle Cychramus variegatus (family Nitidulidae) is the rarer of the two species of the genus Cychramus present in Germany. It can be easily distinguished from its similar sister species by its body size, the overall darker color and the four black spots on the pronotum. The larger male is chagrined and mat, whereas the pronotum and elytra of the smaller female are shiny. The stenotopic, mycetophilous species is known to occur in the montane zone from North and Central Europe to Siberia and Japan. It prefers montane, deciduous forests and develops in fungi, especially in honey fungus (Armillaria mellea) on decaying stumps and logs, occasionally also on other fungi. In Germany, Cychramus variegatus is missing in the North. It is regarded as not endangered. (CB)
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