Pyralidae : Phycitinae
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Photo © Dawn Balmer,  Cranwich Camp 04/07/2018

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Oncocera semirubella
Rosy-striped Knot-horn

(Scopoli, 1763)62.021/1441
Norfolk status
Scarce.
Flies in afternoon sunshine, later coming to light.

Resident on chalk downland and limestone cliffs, in the southernmost counties of England.

Very few records including Eccles in 2005 (N. Bowman, 29/07/05), Stoke Holy Cross in 2006 (A. Musgrove (21/07/06) and Overstrand in 2013 (G. Bond, 22/07/13).
New for VC28 in 2014 at Abbey Farm, Flitcham (R. Jones, J. Swalwell, 12/07/14) also Hockwold in 2014 (K. Puttick)

Records in recent years from the Brecks suggest maybe a breeding population? Norfolk coastal records are of assumed migrants.

Recorded in 15 (22%) of 69 10k Squares.
First Recorded in 1900.
Last Recorded in 2018.

Pima boisduvaliella  |  Pempelia genistella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
03/08/2018127TG14 - Sheringham
30/07/2018128TL79 - Methwold/Foulden
30/07/2018127TG42 - Hickling/Horsey
30/07/2018128TM09 - Attleborough
23/07/2018127TG41 - Acle/Hemsby
Show Details | 1990 to 2017 | 2000 to 2017 |
Express Record Oncocera semirubella
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Copyright © Jim Wheeler 2018

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 17-29 mm.
Season: June and July
Foodplant:   Bird's-foot trefoil and Clover.
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 1
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2018. © James Wheeler - Norfolk Moths 2007 - 2018. Data © NOLA™ 2018