Geometridae : Larentiinae
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Scallop Shell
Rheumaptera undulata

(Linnaeus, 1758) 1789 / 70.121
=Hydria undulata
Photo © Terry Box, 24 Jun 2017,  SE4672Pilmoor, VC62

Immature stages

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Similar Yorkshire Species: None
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Yorkshire Status: Rare and local resident.

Sutton & Beaumont, 1989: There have recently been several records for this species from vice-counties 61, 63 and 64. Previously it had not been recorded since 1914 (YNU, 1970), although Walsh (1956) mentions several 'of late years'.

Argus 52, 2006:

VC64. Ellington Banks MoD, 28.6.2006 (CHF, JCW). NEW VICE-COUNTY RECORD.

2012 (CHF): Local in the county in damp woodland and sallow scrub. There are recent records from all five VCs. It is only ever encountered in small numbers and may not come strongly to light.

Recorded in 59 (30%) of 200 10k Squares.
First Recorded in 1883.
Last Recorded in 2022.
Additional Stats

< Argent & Sable  |  Scarce Tissue >
Forewing: 16-19mm
Flight: June - July
Foodplant:   Sallows, Aspen, Bilberry
Red List Status: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
16/08/2022165SE19 - Leyburn / Catterick Garrison
07/08/2022162SE58 - Rievaulx
04/08/2022162SE88 - Pickering (E)
26/07/2022163SE02 - Halifax
24/07/2022162NZ30 - Great Smeaton
  Immature   Adult
Show Details | 1990 to 2022 | 2000 to 2022 | Graph Key
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