Noctuidae : Xyleninae
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Similar Herts & Middlesex Species
Rosy Rustic
Hydraecia micacea
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Hydraecia petasitis

Doubleday, 1847 2362 / 73.124

General comments:
Extremely local resident. Absent from Middlesex.

Vulnerable (to micro-habitat loss and disturbance).

The Butterbur is generally larger and darker in colouration than the superficially similar Rosy Rustic but it would be extremely exceptional for the moth to fly more than a few feet away from the butterbur plants in which it fed as a caterpillar. Indeed, if trying to light trap this species it is absolutely necessary to put the trap well in amongst the plants, preferably under taller ones so that the light can barely be seen! It is restricted to a small section of the River Lea. However, it is considered very likely that targeted searching of Butterbur plants elsewhere is likely to allow the discovery a least a few overlooked sites.

Recorded in 5 (12%) of 41 10k Squares.
First Recorded in 1948.
Last Recorded in 2023.
Additional Stats

< Rosy Rustic  |  Saltern Ear >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
12/08/2023120TL21 - Welwyn Garden City
10/08/2006120TL21 - Welwyn Garden City
10/08/2002120TL21 - Welwyn Garden City
1993120TL21 - Welwyn Garden City
1991120TL21 - Welwyn Garden City
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Butterbur
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Copyright © Lepidoptera UK 2024

VC20 VC21 VC21 VC20
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Forewing: 19-23mm.
Flight: One generation Aug-Sept.
Foodplant:   Butterbur
Red List: Least Concern (LC)
GB Status: Nationally Scarce
Former Status: Local
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Weeks]
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