Gracillariidae : Lithocolletinae
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Photo © Raymond A Watson,  Hollesley, Suffolk Gen det

Immature stages

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Phyllonorycter ulmifoliella
Red Birch Midget

(Hübner, 1817)353 / 15.075

Morley’s Final Catalogue: Common everywhere on birch. Bentley Woods (Pyett), Aldeburgh (Ctw), Leiston (Grey), Lowestoft 1936 (Gd).

Recent Status: A common species in Suffolk.

Life Style: A double brooded species that has been recorded from April to September. The larvae feed on Betula. They pupate in a tough white cocoon in the larval habitation. The pupal stage passes the winter.

Identification: The moth has a single shining white fascia and a long basal streak. There is a basal dorsal mark that is wide distally. Beyond the fascia there are two dorsal and three costal shining white marks arranged alternately. There is a terminal black mark and line in the cilia. The white marks are broadly dark edged on a variable ground colour of ochreous brown with darker suffusion.
The larvae create a long blister blotch between veins on the underside that significantly distorts the leaf. It has between one and six creases in the lower epidermis and is 8 to 14mm long at maturity. More Info

Determination by Genitalia Examination (gen. det.) Required

Recorded in 37 (64%) of 58 10k Squares.
First Recorded in 1936.
Last Recorded in 2019.
Additional Stats

Phyllonorycter schreberella  |  Phyllonorycter emberizaepenella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
03/11/2019325TM47 - Blythburgh/Dunwich
02/11/2019+26TL88 - Thetford
15/09/2019125TM24 - Woodbridge/Martlesham
15/09/2019125TM24 - Woodbridge/Martlesham
12/09/2019125TM24 - Woodbridge/Martlesham
Show Details | 1990 to 2019 | 2000 to 2019 |
Express Record Phyllonorycter ulmifoliella
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Copyright © Jim Wheeler 2020
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 7-9mm
Flight: Two Generations. May and Aug.
Foodplant:   Birch.
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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