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Beech-green Carpet
Colostygia olivata ([Denis & Schifferm?ller], 1775)
Geometridae: Larentiinae
1774 / 70.099
Photo © Jim Morgan,  Lake Vrynwy, VC47

Similar Yorkshire Species
Autumn Green Carpet
Chloroclysta miata
Red-green Carpet
Chloroclysta siterata
Forewing: 13-15mm
Flight: July - August
Foodplant:   Bedstraws
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 3

Yorkshire Status: Rare and very local resident.

This is not a common moth in Yorkshire and is restricted to upland limestone areas in the west of VC64 and the east of VC62, the larvae feeding on bedstraws. There are also one or two odd records from the lower ground. This species is prone to misidentification and the green colour fades quickly to brown which can make identification tricky. It is rarely seen in any numbers, and all records since 2004 have been of single moths, so it is either very thinly spread or is not strongly attracted to light. Looking at distribution maps, it must have been commoner across the country many years ago. It may not be a fan of climatic change.

Sutton & Beaumont, 1989: Typically a species of upland limestone areas, but recently also reported from two lowland sites (records from Bilton and Baldersby, below). Very local in the County.

Retained Specimen / Photograph will be Required.

Recorded in 28 (14%) of 200 10k Squares.
First Recorded in 1880.
Last Recorded in 2023.
Additional Stats

Latest 5 Records
Date#VC10k Area
04/09/2023162NZ61 - Guisborough
20/08/2023162NZ90 - Robin Hoods Bay
17/08/2023162NZ61 - Guisborough
16/08/2023162NZ61 - Guisborough
22/07/2023164SD96 - Malham / Threshfield
Further info: Colostygia olivata
 
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