Pyralidae : Phycitinae
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Similar West Midlands Species
Matilella fusca
Brown Knot-horn
Apomyelois bistriatella
Heath Knot-horn
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Ortholepis betulae
Birch Knot-horn

(Goeze, 1778)1450 / 62.011
=Metriostola betulae

A local and possibly declining species. Last Staffordshire record was in 1961.

Found on heathland with scattered birch, woodland, parkland.

Larvae feed in a web on upper surface of birch leaves. Adults come to light.

Recorded in 17 (12%) of 140 10k Squares.
First Recorded in 1892.
Last Recorded in 2006.
(Data up to end 2019)
Additional Stats

Wingspan: 24-27mm.
Flight: July
Foodplant:   birches (Betula)
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 2
Elegia similella  |  Matilella fusca >
List Species Records   [Show All Latest]
Latest 5 Records (data up to end 2019)
Date#VC10k Area
17/07/2006+VC40 - ShropshireSJ43
27/06/2002+VC37 - WorcestershireSO95
04/05/1994+VC37 - WorcestershireSP06
01/01/1992 to 31/12/1998+VC39 - StaffordshireSJ91
17/06/1989+VC37 - WorcestershireSO75
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