Pyralidae : Galleriinae
Photo © Dave Curtis,  Langham

Similar Norfolk Species
Phycitodes binaevella
Ermine Knot-horn
Phycitodes saxicola
Small Clouded Knot-horn
Phycitodes maritima
1485 Chalk Knot-horn
(Tengström, 1848)62.057
Norfolk status
One of three British species of Phycitodes which are difficult to separate from one another and are best identified by dissection of the genitalia. Records cannot be accepted without voucher specimen.
Determination by Genitalia Examination (gen. det.) Required

Dissected records from Winterton. Snettisham. Holme Dunes. Dersingham Bog. Hindolveston. Sculthorpe Moor & Scole.

Recorded in 25 (36%) of 69 10k Squares.
First Recorded in 1899.
Last Recorded in 2014.


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Copyright © Jim Wheeler 2015

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 18-22 mm.
Season: May to August.
Foodplant:   Yarrow and Ragwort.
Nat Status: Local
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2015. © James Wheeler - Norfolk Moths 2015. Data © NOLA™ 2015