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

(Linnaeus, 1758) 1674 / 70.303

General comments:
Increasingly local resident. Declining. Species of Conservation Concern.

Woodland features at almost all the sites where we have reports of this moth, which is absent from many garden lists. My suggestion (Plant, 1993) that the moth was in general decline across the entire London Area, which includes the southern third of Hertfordshire, is not contradicted by the present results and the map shows clearly a number of sites from which it has not been recorded for some time. Within Middlesex, the woods of the northern boundary area support most records but the moth seems to have been lost from much of this zone.

Recorded in 27 (66%) of 41 10k Squares.
First Recorded in 1887.
Last Recorded in 2021.
Additional Stats

< Small Emerald | Common Emerald >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
24/06/2021120TL10 - St Albans
27/06/2019120TL31 - Hertford
18/06/2018120TL10 - St Albans
21/09/2017220TL10 - St Albans
23/08/2017120TL10 - St Albans
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Little Emerald
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 11-12mm.
Flight: One gen. May-June.
Foodplant:   Downy Birch, Silver Birch, Hazel, Hawthorn, Blackthorn
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Weeks]
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