Geometridae : Geometrinae
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Similar Herts & Middlesex Species
Little Emerald
Jodis lactearia
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Small Grass Emerald
Chlorissa viridata

(Linnaeus, 1758) 1670 / 70.306

General comments:
Immigrant or vagrant..

We have just four records of this moth, from the Rothamsted Estate, Harpenden on 14th July 1948 and 13th August 1976, from a garden in Hemel Hempstead in 1994 and from a garden in Digswell on 17th July 1999. The 1976 record was on an exceptionally late date at the end of the long hot summer of that year during which many unusual sightings of moths across Britain were attributed to wandering stimulated by the weather conditions. The two more recent records defy explanation, but are most unlikely to represent nearby breeding populations. Plant (1993) records the last record in the Greater London area as being made in 1886. The moth is typically associated with heathland in lowland Britain.

Retained Specimen / Photograph will be Required.

Recorded in 3 (7%) of 41 10k Squares.
First Recorded in 1948.
Last Recorded in 1994.
Additional Stats

< Common Emerald  |  Oak Processionary >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
1994120TL00 - Hemel Hempstead
13/08/1976120TL11 - Harpenden / Wheathampstead
1969+20TL00 - Hemel Hempstead
1964+20TL20 - Potters Bar
14/07/1948120TL11 - Harpenden / Wheathampstead
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Small Grass Emerald
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 11-13mm.
Flight: One generation. June-July.
Foodplant:   Woody plants
Red List: Least Concern (LC)
GB Status: Nationally Scarce
Former Status: Nationally Scarce A
Verification Grade:  Adult: 3
 Immature Adult   [Show Flight Weeks]
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