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Molanna angustata Curtis 1834  
.Molanna angustata
   
 

Distribution: The distribution area of Molanna angustata is restricted to the northern half of Europe, including the British Isles, the northern part of West-, Central and East-Europe, the Baltic States, Scandinavia and Russia1.

Habitat: Aquatic stages of Molanna angustata inhabit lakes and pools, slow-flowing rivers and canals where they live on sand or fine gravel; larvae avoid places with dense vegetation; the species can also be found in brackish water (Eidel 1933, Botosaneanu & Malicky 1978, Robert & Wichard 1994, Waringer & Graf 1997, Wallace et al. 2003).

Nutrition: Larvae are detritivore and carnivore (Graf et al. 2002).

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