Geometridae

70.121 Scallop Shell Hydria undulata (Linnaeus, 1758)

Local

Similar species: Unlikely to be mistaken for other British or Irish species.

Forewing: 16 to 19mm

Habitats: Damp woodland and carr.

Habits: The moth has been recorded nectaring at Common Valerian during the day. It comes sparingly to light.

Foodplant: The larva feeds on sallows, Aspen and Bilberry. It pupates in a flimsy cocoon in loose soil.

On the European mainland it has been recorded feeding on Goat Willow and Bridewort.