Forewing Length: 16-19mm;
Wingspan: 25-30mm
Egg | Larva | Pupa | Adult | ? | August - September | (Winter) | May - August (Earliest: 10.6) |
Catalogue of the Lepidoptera of Belgium:
Hydria undulata
Hydria undulata
Nature Spot:
Scallop Shell - Hydria undulata
Lepidoptera and Their Ecology:
Rheumaptera undulata
Lepiforum:
Hydria undulata
Plant Parasites of Europe:
Hydria undulata
Pictures © 2003, 2017 J.K. Lindsey
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