Pyralidae : Phycitinae
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Photo © Keith Kerr,  02/07/2021 - Litcham (garden)

Similar Norfolk Species
Delplanqueia dilutella
Powdered Knot-horn
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Delplanqueia inscriptella
Brown Powdered Knot-horn

(Duponchel, 1836)1462a / 62.0151
Norfolk status
Local

D. dilutella has now been split, and has a sister species D. inscriptella. Differences in the genitalia of both sexes were detected by Leraut (2001) and the species added to the British list in 2015 (D. Agassiz, Ent. Rec.127)

D. inscriptella is more variable than D. dilutella, ground colour dull brown rather than grey, normally lacking a white sub-basal fascia.

UK Distribution is unknown until more specimens have been determined. It is thought that D. dilutella Is not present in Norfolk.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 16 (22%) of 74 10k Squares.
First Recorded in 2001.
Last Recorded in 2022.
Additional Stats

Delplanqueia dilutella  |  Sciota adelphella >

Determination
Pempeliella inscriptella (M), Hindolveston, 2001 J Clifton
Delplanqueia inscriptella - Narborough Railway 26.vi.16 - K. Kerr. Gen. Det. Male - J. Wheeler (slide 1601)
Delplanqueia inscriptella, Norwich, Slide 1725 - J Clifton
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
21/06/2022128TF63 - Snettisham/Dersingham
26/07/2021128TF63 - Snettisham/Dersingham
25/07/2021128TF81 - Castle Acre/Litcham
13/07/2021128TF63 - Snettisham/Dersingham
10/07/2021128TF92 - Fakenham/Ryburgh
Show Details | 1990 to 2021 | 2000 to 2021 | Graph Key
Express Record Delplanqueia inscriptella
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 18-23mm
Flight: June - July
Foodplant:   Wild Thyme
Nat Status: Unknown
Verification Grade:  Adult: 4
 Immature Adult

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Underlying maps using Digital Map Data © NOLA™ 2022. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2022. Data © NOLA™ 2022
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