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Elophila nymphaeata (Linnaeus, 1758)

A common species in most parts of Belgium.

The larva first mines the underside of a leaf of Potamogeton spp., Hydrocharis, Sparganium spp. or some other aquatic plant. Later on it lives in a flat, oval case made of pieces of a leaf. It hibernates. Pupation in a cocoon covered with pieces of leaf, attached to the stem of a plant about 25 mm above water level.

The adults fly from the beginning of June till mid September. Most abundant in the second half of July and in August. They are active at dusk and later come to light.


Belgium, Limburg, Kinrooi, 08 September 2005.
(Photo © Chris Steeman)
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© Flemish Entomological Society