Marsh Mallow Moth Hydraecia osseola
Marsh Mallow Moth Hydraecia osseola
Adult • Kent • © David Green/Butterfly Conservation

73.125 BF2363

Marsh Mallow Moth Hydraecia osseola

(Staudinger, 1882)


Wingspan 40-50 mm.

Restricted in Britain to a few scattered localities in Kent and East Sussex, this moth inhabits marshes, fens, river banks and ditches.

It flies in September, and is attracted to light, but doesn't tend to wander far from its foodplant.

The larvae feed on the stems and roots of its namesake plant, marsh-mallow (Althaea officinalis).

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