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Autumn Green Carpet
Chloroclysta miata (Linnaeus, 1758)
Geometridae: Larentiinae
1761 / 70.096

Similar Herts & Middlesex Species
Red-green Carpet
Chloroclysta siterata
Forewing: 15-17mm.
Flight: One generation Sept-Nov. (March-May)
Foodplant:   Sallows, Birches, Alder, Lime etc.
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 3

General comments:
Extinct resident.

Not seen since 1949 in our two counties.

Reference has already been made under the heading of Red-green carpet to early misidentified records of Autumn Green Carpet from the Sandridge area (Griffith, 1888) and from Haileybury School (Bowyer, 1888). Others from the era include within two or three miles of St Albans Town Hall and the area east of Bamville Wood Farm, near Harpenden Common (Gibbs, 1889). Foster (1916) had it as 'Not uncommon at light' [in north Hertfordshire] and in his 1937 list he adds Tring, Hitchin, East Barnet, Bricket Wood, Wilstone, Watford, Cheshunt, Berkhamsted, Broxbourne, Hoddesdon and Harpenden. For the latter locality, Riley (1999) states that there were three in the traps during the 1930s, one in 1949 and one in 1967, with none since that last date. Hodgson (1939) notes it as 'scarce at light at High Scrubs (near Berkhamsted)'. This wood lies south of Tring. The mapped old records show a strong association with some of the county's older woodland complexes, especially the Broxbourne Woods complex.

Retained Specimen / Photograph will be Required.

Recorded in 10 (24%) of 41 10k Squares.
First Recorded in 1888.
Last Recorded in 1967.

Latest Records
Date#VC10k - General Area
1967120TL11 - Harpenden / Wheathampstead
1960+20TL11 - Harpenden / Wheathampstead
15/10/1949120TL11 - Harpenden / Wheathampstead
1945+20SP90 - Berkhamsted
1940+20SP90 - Berkhamsted
1940+20TL42 - Bishop's Stortford (N)
1938120SP90 - Berkhamsted
1937120SP91 - Tring
1937120TL10 - St Albans
1937120TL12 - Hitchin (S) / Whitwell
Further info: Chloroclysta miata
 
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