Gracillariidae : Gracillariinae
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Photo © Chris Knott,  Great Ellingham 06/09/2016

Immature stages

Similar Norfolk Species
Caloptilia elongella
Pale Red Slender
Caloptilia rufipennella
Small Red Slender
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Caloptilia semifascia
Maple Slender

(Haworth, 1828)15.012/290
Norfolk status
Local.
Diagnostic angled light streak starting at the leading edge of the forewing.

Leaf-mine: June-July
gallery leading to a squarish blotch, later forming up to 3 leaf tubes/cones.

Please Note: The rare C. hemidactylella (Recorded in Suffolk, not yet recorded in Norfolk) can only be separated as mines from C. semifascia by rearing through.

On Sycamore, the feeding signs can also be confused with those of C. rufipennella and will need rearing to confirm.

C hauderi (Not yet recorded in Norfolk) is now regarded as the first brood of double-brooded populations of Caloptilia semifascia in the UK (Langmaid et al. 2011. Nota Lepidopterologica 33, 191-197).

Scattered VC27 records. First confirmed VC28 record in 2013 when cones were collected on Silver Maple at Lynford Arboretum and bred through. This is thought to be a new foodplant record for this species. (I. Barton, K. Rosewarne)

[MBGBI Vol2 p268]

Mine: Moth needs to be reared and, in some cases, possibly dissected.

Recorded in 28 (41%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2019.
Additional Stats

Caloptilia falconipennella  |  Caloptilia hemidactylella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
23/04/2019127TG33 - Bacton
23/04/2019127TG10 - Wymondham/Cringleford
23/04/2019127TG33 - Bacton
22/04/2019128TL78 - Hockwold/Weeting
21/04/2019127TG10 - Wymondham/Cringleford
Show Details | 1990 to 2018 | 2000 to 2018 |
Express Record Caloptilia semifascia
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Copyright © Jim Wheeler 2019

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 10-12mm
Season: Sept - May (hibernates)
Foodplant:   Field Maple, Sycamore, Silver Maple, Norway Maple
Nat Status: Local
Verification Grade:  Adult: 2  Mine: R
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2019. © James Wheeler - Norfolk Moths 2007 - 2019. Data © NOLA™ 2019
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