Gracillariidae : Gracillariinae
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Photo © Graham Moates,  Thornham Magna 04/07/2020

Immature stages

Similar Suffolk Species
Caloptilia betulicola
Red Birch Slender
Caloptilia semifascia
Maple Slender
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Caloptilia elongella
Pale Red Slender

(Linnaeus, 1761)282 / 15.004

Morley’s Final Catalogue: Not very commonly beaten from bushes in Bentley Woods during August, November, March and April 1895-1934 (Mly); Flixton near Bungay in April 1891 (Ctw); Reydon in September 1935 (Baker); Sutton and Thetford (Whit.); Blythbro (Gd).

Recent Status: Commonly recorded in Suffolk

Life Style: A double possibly triple brooded species that hibernates. It comes to light and can be found throughout the year. The larvae feed on Alnus species. They pupate under a membrane on the underside of a leaf.

Identification: Caloptilia stand erect on their front legs at rest. This species is one of the less well marked Caloptilia species. It has a variable colour from dull brown to bright yellow ochre. It has variable darker spots and patches. It often has a paler streak centrally from the base and along the costa. There may sometimes be a pale or yellowish indistinct patch on the costa. The femur and tibia are similarly coloured to the wing. It may sometimes be similar to forms of C. betulicola. Dissection is then necessary for identification. More Info
The larvae feed from a small gallery on the upperside of a leaf where the ovum was laid. This becomes a blotch. They then leave this to roll a leaf longitudinally. A second roll is produced.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 30 (52%) of 58 10k Squares.
First Recorded in 1891.
Last Recorded in 2019.
Additional Stats

Caloptilia populetorum  |  Caloptilia betulicola >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
21/09/2019125TM24 - Woodbridge/Martlesham
23/08/2019125TM34 - Hollesley/Rendlesham Forest
25/07/2019125TM06 - Bacton/Stowupland
20/07/2019+25TM58 - Carlton Colville/Kessingland
30/03/2019125TM46 - Minsmere/Leiston
Show Details | 1990 to 2019 | 2000 to 2019 |
Express Record Caloptilia elongella
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Copyright © Jim Wheeler 2020
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 14-16mm
Flight: All year round.
Foodplant:   Alder
Nat Status: Common
Verification Grade:  Adult: 4  Mine: A
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2020. © James Wheeler - Norfolk Moths 2007 - 2020. Data © NOLA™ - Suffolk 2020
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