Crambidae : Crambinae
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Thisanotia chrysonuchella

(Scopoli, 1763)1321 / 63.107

Morley’s Final Catalogue: A south English species, extending north to only Norfolk. Excepting a single individual that was captured at Ipswich in 1896 (Pyett), this moth occurs here solely on the chalk-sands of the Breck (Bernard Harwood) where it is abundant in late May at
Freckenham, Eriswell (Mly), Elveden (Williams), Tuddenham (Wrn), Brandon (Barrett), &c.

Recent Status: A regular Breckland species.

Life Style: A species flying early in the season with a peak in early June. The moth is single brooded and flies at night coming to light. The larvae feed from silken tubes in which they pupate following hibernation. They feed on grasses and moss.

Identification: The moth has a white forewing with variable sometimes dense speckling of dark brown or black scales between the veins resulting in a sharply streaked appearance. There is a rounded brown sub-terminal line which is obtusely angled. There is a diffuse brown median line. The cilia are metallic. There are possible confusion species that are rare immigrants. These can be separated by the appearance of the lines.

Recorded in 10 (17%) of 58 10k Squares.
First Recorded in 1896.
Last Recorded in 2023.
Additional Stats

Catoptria verellus | Pediasia fascelinella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
11/06/2023125TM34 - Hollesley/Rendlesham Forest
25/05/2020+26TL77 - Mildenhall
25/07/2019126TL87 - Barnham/West Stow
13/06/2018826TL78 - Brandon/Lakenheath
23/06/2017+26TL88 - Thetford
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Thisanotia chrysonuchella
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 23-26 mm.
Flight: May and June
Foodplant:   Grasses and Moss
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Times]
     
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2024. © James Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ - Suffolk 2024
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