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Epermenia chaerophyllella
Common Ridge-back (Goeze, 1783)
Epermeniidae: Epermeniinae
483 / 47.005
Photo © Raymond A Watson,  Hollesley, Suffolk. 11 July 2019

Similar Suffolk Species
Streaked Ridge-back
Epermenia falciformis
Wingspan: 12-13mm
Flight: all months of the year.
Foodplant:   Umbelliferae - Hogweed, Wild Parsnip, Cow Parsley, Wild Angelica, Wild Carrot
Nat Status: Common
Verification Grade:  Adult: 1  Mine: L

Morley’s Final Catalogue: In Southwold town during August 1900 and a few in Monks Soham garden on 19 October 1905 (Morley).

Recent Status: Widespread and well recorded in Suffolk.

Life Style: the species is double or triple brooded and the adults hibernate and so may be found throughout the year. The larvae feed on a variety of Umbelifer leaves.

Identification: A narrow winged brown and black species with some white and ochre markings. An intricately marked species with a slightly hooked apex. The dorsum has four scale tufts, decreasing in size towards the tornus, that sit erect with the moth at rest.
The larvae initially mine a blotch before leaving to graze beneath the leaves under a slight webbing. There will usually be several larvae per leaf. More Info

Mine: Either the leaf or a good photograph required

Recorded in 27 (47%) of 58 10k Squares.
First Recorded in 1900.
Last Recorded in 2023.

Latest 5 Records
Date#VC10k Area
10/09/2023125TM49 - Somerleyton/Beccles
03/09/2023125TM34 - Hollesley/Rendlesham Forest
11/08/2023125TM49 - Somerleyton/Beccles
09/08/2023125TG50 - Gorleston
09/08/2023+25TM34 - Hollesley/Rendlesham Forest
Further info: Epermenia chaerophyllella
 
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