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Gracillaria syringella
Common Slender (Fabricius, 1794)
Gracillariidae: Gracillariinae
293 / 15.014
Photo © Raymond A Watson,  Hollesley, Suffolk. 12 September 2019

Similar Suffolk Species
Feathered Slender
Caloptilia cuculipennella
Clouded Slender
Caloptilia populetorum
Wingspan: 10-13mm
Flight: Two Generations. March-Aug.
Foodplant:   Privet, Ash, Lilac
Nat Status: Common
Verification Grade:  Adult: 1  Mine: A

Morley’s Final Catalogue: Abundant among privet and lilac everywhere, especially near towns. Common in Ipswich; Orford, Aldeburgh, Leiston; frequent on Gorleston palings. In profusion on lilac at dusk in gardens to south of Thetford in August 1931; Brandon (Mly).

Recent Status: A common species across Suffolk.

Life Style: A double brooded species that flies by day and night and comes to light from March to August. The larvae feed on leaves of Ligustrum, Fraxinus and Syringa. They pupate under a silken membrane on the underside of a leaf. The second brood passes the winter as a pupa.

Identification: A moth of the Gracillariinae that stands erect on its front legs. The moth markings are very varied. They have a balance of dark edged brown bands on a cream background. The shades vary and the dominance of one or other can result in clearly marked pale specimens or overall dull specimens. The dull specimens need careful examination to separate them from Caloptilia species without banding. The larvae initially mine the lower epidermis before creating a full depth blotch. They leave this for two successive rolled or pod shaped spun enclosures before pupation. More Info

Recorded in 46 (79%) of 58 10k Squares.
First Recorded in 1931.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
07/01/2020+25TM59 - Lowestoft
30/08/2019125TM49 - Somerleyton/Beccles
29/08/2019+25TM34 - Hollesley/Rendlesham Forest
27/08/2019125TM24 - Woodbridge/Martlesham
27/08/2019125TM58 - Carlton Colville/Kessingland
Further info: Gracillaria syringella
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