Crambidae : Pyraustinae
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Photo © Paul Roberts,  Merthyr Mawr Warren, Glamorgan, 16/07/15.

 
Pyrausta ostrinalis
Scarce Purple & Gold

(Hübner, 1796)63.008/1363
Norfolk status
Rare, Uncertain.

Very few Norfolk records.

Markings very similar to those of P. purpuralis. Extremely hard to determine from external markings or under the microscope.
Best checked by comparing set specimens in a reference collection.

The least subjective criteria can be found on the underside of the wing, viewable best on a set specimen but also on the live moth in a clear container: the pale subterminal line in P. purpuralis is nearly straight and fades before the costa, whereas in the present species it curves to meet the postmedian line at the costa (see British Pyralid Moths, Goater 1986 p.67 for illustration).

C.Barrett [VCH 1901] "- ostrinalis, Hb. Kings Lynn; not common"

Retained Specimen / Photograph will be Required.

Recorded in 3 (4%) of 69 10k Squares.
First Recorded in 1890.
Last Recorded in 2018.
Additional Stats

Pyrausta purpuralis  |  Nascia cilialis >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
24/07/2018128TL79 - Methwold/Foulden
06/07/2017128TL88 - Thetford
1890+28TF61 - S.Lynn/Tottenhill
Show Details | 1990 to 2017 | 2000 to 2017 |
Express Record Pyrausta ostrinalis
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Copyright © Jim Wheeler 2018

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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