Noctuidae : Xyleninae
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Photo © Roger Millard,  Letchworth Garden City, Hertfordshire (17/12/23)

Similar Herts & Middlesex Species
Red-headed Chestnut
Conistra erythrocephala
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Black-spotted Chestnut
Conistra rubiginosa

(Scopoli, 1763) 2259a / 73.196

General comments:
Extremely local resident. Extending its range.

First recorded in Britain in 2011, the Black-spotted Chestnut has been recorded at a handful of sites in our area (and in adjacent counties) and repeat capture over the years indicate it is resident at most of these. It is expanding its range - perhaps slowly, or perhaps just a hard moth to find that is already more widely established than we think! It enters light traps, but is more frequent on posts and walls nearby the next morning. It is most active in December, but as yet is not recorded from Ivy flowers or artificial "sugar" patches. It is thought to be most active around midnight, and so is rarely recorded by "torching".

Retained Specimen / Photograph will be Required.

Recorded in 8 (20%) of 41 10k Squares.
First Recorded in 2018.
Last Recorded in 2024.
Additional Stats

< Dark Chestnut  |  Dotted Chestnut >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
04/02/2024120TL21 - Welwyn Garden City
24/01/2024120TL11 - Harpenden / Wheathampstead
19/12/2023220TL31 - Hertford
18/12/2023120TL31 - Hertford
18/12/2023220TL31 - Hertford
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Black-spotted Chestnut
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 15-16mm
Foodplant:   unknown in UK, in Europe on a variety of woody plants and later on herbaceous plants
GB Status: Not Assessed
Verification Grade:  Adult: 3
 Immature Adult   [Show Flight Weeks]
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