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Recorded infrequently through accidental importation in aquatic plants from the Far East. First discovered in Britain at Enfield, Middlesex in July 1979. Not recorded in Hampshire or on the Isle of Wight to date. Wingspan 15-24 mm. Larva undescribed.
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Flightime guide |
| Stage | J | F | M |
A | M | J |
J | A | S |
O | N | D |
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