Geometridae : Geometrinae
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Grass Emerald
Pseudoterpna pruinata

(Walker, 1863) 1665 / 70.297
Photo © Mike Pearson, 7 Jul 2010,  Flamborough, VC61

Immature stages

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Similar Yorkshire Species: None
Express Record Grass Emerald

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Yorkshire Status: Scarce and local resident.

Sutton & Beaumont, 1989: There have been several more reports of this species since the last list (YNU, 1970). Whether these were spurred by the comment 'there are surprisingly few records', or whether there has been a genuine increase, is difficult to ascertain. However it probably occurs wherever gorse or broom is established and the moth has probably been overlooked in the past (SMJ pers. comm.).

2012 (CHF): There appears to have been a decline in recent years. Most of the latest records have been from coastal areas.

Recorded in 63 (32%) of 200 10k Squares.
First Recorded in 1883.
Last Recorded in 2022.
Additional Stats

< Grass Wave  |  Large Emerald >
Forewing: 14-19mm
Flight: June - July
Foodplant:   Gorse, Broom
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
03/08/2022163SK69 - New Rossington / Austerfield
26/07/2022163SE20 - Penistone
19/07/2022163SK69 - New Rossington / Austerfield
18/07/2022363SK69 - New Rossington / Austerfield
14/07/2022163SK69 - New Rossington / Austerfield
  Immature   Adult
Show Details | 1990 to 2022 | 2000 to 2022 | Graph Key
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