Pyralidae : Phycitinae
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Photo © Adam Rowlands,  31/07/2024 - North Warren Haven

Similar Suffolk Species
Acrobasis suavella
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Acrobasis advenella

(Zincken, 1818)1439 / 62.035
=Trachycera advenella

Morley’s Final Catalogue: By no means rare. Felixstow in 1903 (Gibbs, EMM. 1904, 80); at Monks Soham light in July 1920-35 (Morley); Aldeburgh by Ctw (EMM. 1892, 254); Lowestoft in August (Ent. 1922, 258); three at Bungay in 1899 (Mn); Fritton at light (D). A dark form bred at Timworth in 1911 (Nurse); Brandon (Barrett).

Recent Status: The commonest species of Acrobasis in Britain and in Suffolk.

Life Style: A single brooded species flying during summer and coming to light. The green larvae with two dark red stripes feed on Hawthorn, preferring the flowers, berries and young leaves. They have also been found on Sorbus species and Blackthorn. They hibernate as young larvae and pupate in a cocoon.

Identification: Acrobasis advenella, is similar to A. suavella. Both have a sub-basal line and pre median line that enclose an area on the dorsal half of the forewing. This is more sharply defined in A. advenella where the white sub-basal line is sharply defined. The red scales, mixed with black and white, enclosed by this area cover the basal area, thorax and head of A. advenella such that the head is red. It is grey in A. suavella. Of the two small black discal spots that closer to the costa is also closer to the wing base. This is not so in A. suavella.

Recorded in 53 (91%) of 58 10k Squares.
First Recorded in 1899.
Last Recorded in 2024.
Additional Stats

Acrobasis repandana | Acrobasis suavella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
02/09/2024125TM59 - Lowestoft
01/09/2024125TM59 - Lowestoft
01/09/2024225TM58 - Carlton Colville/Kessingland
28/08/2024125TM46 - Minsmere/Leiston
27/08/2024125TG50 - Gorleston
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
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Click Map for Details

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 18-24 mm.
Flight: June to September
Foodplant:   Hawthorn also Rowan and Blackthorn.
Nat Status: Common
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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