Featured speciesText © K. Reißmann, T. Hörren, M. Stern, F. Bötzl and C. Benisch
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21.07.2023
Nacerdes melanura (L., 1758)
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15 
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The 9 to 13 mm large wharf borer Nacerdes melanura (family Oedemeridae) is one of only two representatives of the genus in Germany, which comprises approx. 40 species worldwide. Originating from Europe, the species is meanwhile of cosmopolitan distribution in the temperate zone. The species is found in coastal areas. The larvae develop in old, damp wood undergoing fungal decay which is regularly submerged by a tidal flow. Since they attack timbers in ships, wharf pilings, wooden harbor and dock constructions they are regarded as pests. The short-lived adults appear between May and September with a peak in June. In Germany the species is mainly found in coastal areas although records from inland locations are known. In Germany, Nacerdes melanura is regarded as vulnerable (RL 3). (CB)
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31.05.2019
Nacerdes carniolica (Gistl., 1832)
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26
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The 12 to 15 mm large false blister beetle Nacerdes carniolica (family Oedemeridae) is one of only two species of the genus in Germany. In former times it was comprised in the genus Xanthochroa. The distribution of N. carniolica ranges from Southern to Eastern Europe. In Germany only the southern half is reached, however, the species is meanwhile much more common than 50 years ago. The stenotopic, silvicolous species lives in pine and mixed forests and develops in rotten trunks of pine and spruce. The adult beetles appear from June to August and are nocturnal. They can be found on strong-smelling blossoms, e.g. linden (Tilia), buckeye (Aesculus) and rose (Rosa). The animals contain a poison, causing blisters when brought in contact with human skin. In Germany, N. carniolica is regarded as vulnerable (RL 3). (CB)
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17.11.2017
Anogcodes ustulata (F., 1787)
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25
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The distribution of the 8 to 12 mm large false blister beetle Anogcodes ustulata (family Oedemeridae) spreads from Southern and Central Europe to Siberia. In Germany no records exist from Hesse, Saarland, Schleswig-Holstein and the largest parts of Lower Saxony (only old records from the Weser-Ems region). There are only historical records from Saxony and the Rhineland. The beetles are normally found during summer on flowers and are easily discovered due to their conspicuous coloration. The species exhibits a marked sexual dimorphism. The larvae develop in wood of various deciduous trees. In the Red List of Germany (1998) the species is classified under the synonym Nacerdes ustulata as vulnerable (RL 3). (KR)
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