The wingspan is 16–20 mm.The forewings vary from yellow-ochreous to rather dark fuscous ; basal area with dentate white and dark fuscous lines ; a white subcostal spot before first line ; lines whitish, obscure, dark-margined, first angulated above middle, second with deep abrupt sinuation inwards below middle ; median band almost occupied by three white dark edged blotches ; an irregular interrupted white dark-edged and dark-veined subterminal streak. Hindwings as forewings, but base white, median band white except discal spot, second lineless sinuate.The larva is light brownish ; dorsal line darker ; head light brown ; plate of 2 black-edged. In flat oval
floating cases of leaf-fragments, on Potamogeton, Hydrocharis,
Sparganium, etc[2]
Caterpillar
♂
♂ △
Biology
The moth flies from May to September depending on the location.
Elophila nymphaeata silarigla Speidel, 1984 (Algeria and Morocco)
References
^"GlobIZ search". Global Information System on Pyraloidea. Retrieved 2011-10-11.
^Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description