Pyralidae : Phycitinae
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Photo © Dave Jones,  26/08/2022 - Stoke Holy Cross

Similar Norfolk Species
Dioryctria abietella
Pine Knot-horn
Dioryctria schuetzeella
Spruce Knot-horn
Dioryctria sylvestrella
Chequered Pine Knot-horn
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Dioryctria simplicella
Drab Pine Knot-horn
(Heinemann, 1863)1455 / 62.027
=Brown Pine Knot-horn

Norfolk status
Conifer plantations and heathland.
Fairly common where pine occurs.

D. simplicella tends to have less contrast of forewing markings than the three other similar species, and is usually smaller than D. abietella

Recorded in 38 (51%) of 74 10k Squares.
First Recorded in 1932.
Last Recorded in 2024.
Additional Stats

< Dioryctria schuetzeella | Dioryctria abietella >

Determination
Dioryctria simpliciella (f), Amner, Norfolk, Slide 1509 (J Clifton) (513x1000)
A melanistic form occurs but will usually show a paler basal patch and slightly paler terminal area to the forewing
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
28/08/2024128TF62Sandringham
27/08/2024+28TL78Weeting Heath (Gravelpit Wood)
22/08/2024128TF63Snettisham / Ingoldisthorpe
12/08/2024127TG11Horsford
11/08/2024128TL79Cranwich
 Show Details | 1990 to 2024 | 2000 to 2024 | Graph Key
Express Record Dioryctria simplicella
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Click Map for Details
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 21-30mm
Flight: June - Sept
Foodplant:   Scots Pine, Corsican Pine
Nat Status: Local
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Times]
Further info: Dioryctria simplicella
 
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