Geometridae: Larentiinae

1789 (ABH70.121) Scallop Shell Hydria undulata (=Rheumaptera), (Linnaeus, 1758)

KR08423

Holme Fen, July 2011
Holme Fen, July 2011
 Photo © Peter Bissell
Holme Fen, July 2011
 Photo © Peter Bissell
 pre-2000
 2000-2009
 2010-2019
 2020-onwards
 Photo © Barry Dickerson
Elton
Elton
 Photo © Brian Stone


General Information

Pupates in loose soil.

Overwinters as Overwinters as a pupa.
Both sexes come to light but in small numbers only.
Often found feeding during day

Forewing length: 16-19mm.
Foodplant(s): sallows (Salix spp.), Aspen (Populus tremula), Bilberry (Vaccinium myrtillus)
Flying: One generation, June-July
UK Presence: Resident
National status: Local

Habitat

Open woodland, heathland, grassland and marshy areas.

Regional Information

Recorded in 21 (7.8%) of the 270 2km squares of Huntingdonshire.

Last recorded in July 2019

Recorded date range (Adult): 11 June to 31 August


Local
Larva/Leafmine:
Larva Type:
Wrinkled
Colours:
Brown, yellow, red
No. of Proleg Pairs:
2