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Ceraclea nigronervosa (Retzius 1783)  
.Ceraclea nigronervosa

Distribution: The species shows a more northern distribution, reaching from West- over Central and Eastern Europe to Scandinavia and European Russia.

Habitat: Aquatic stages of Ceraclea nigronervosa live on stony substratum in greater rivers, streams, seldom at stony lake shores; they even occur in brackish water (Botosaneanu & Malicky 1978, Wallace et al. 2003).

Nutrition: Larvae feed on sponges (Spongillidae) (Graf et al. 2002).

Adults: Adults are on the wing from June to October (Waringer & Graf 1997).