Gracillariidae : Gracillariinae
ABH BF
Photo © Jim Swalwell,  Emilys Wood, 27/6/11

Similar Norfolk Species
Caloptilia robustella
New Oak Slender
 
Caloptilia alchimiella
Yellow-triangle Slender

(Scopoli, 1763)15.008/286
Norfolk status
Difficult to distinguish from the recently separated C. robustella.

The flight period is from May to July.

If uncertain, please record as the aggregate Caloptilia alchimiella/robustella


Determination by Genitalia Examination (gen. det.) Required



Leaf-mine: July - Oct.
Narrow gallery leading to a squarish or triangular blotch. Then forms up to three successive cones by folding the lobe of a leaf downwards.
Note: You cannot separate these from C. robustella unless you examine the pupa or breed out.

Recorded in 29 (42%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2014.

 

Caloptilia azaleella  |  Caloptilia alchimiella/robustella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
31/08/2014127TG11 - Drayton/Swannington
28/08/2014127TG11 - Drayton/Swannington
30/07/2014127TG42 - Hickling/Horsey
27/07/2014127TG11 - Drayton/Swannington
05/06/2014127TG11 - Drayton/Swannington
Express Record Caloptilia alchimiella
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Copyright © Jim Wheeler 2015

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 10-13mm
Season: May - July (possibly as two separate broods)
Foodplant:   Oak
Nat Status: Common
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2015. © James Wheeler - Norfolk Moths 2015. Data © NOLA™ 2015