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Euzophera pinguis
Ash-bark Knot-horn (Haworth, 1811)
Pyralidae: Phycitinae
1470 / 62.048
Photo © Allan Eaton,  16/08/2020 - Kessingland

Similar Suffolk Species: None
Wingspan: 23-28 mm.
Flight: June - September
Foodplant:   Ash.
Nat Status: Common
Verification Grade:  Adult: 1

Morley’s Final Catalogue: Stowmarket about 1860 (B) ; at light in Ipswich in 1901 (Pyett) and Bungay in July 1900 (Mn). Rarely in Monks Soham at light in August and September (Mly).

Recent Status: A common species across Suffolk.

Life Style: The moth is single brooded flying during summer and coming to light. The larvae mine galleries in the living bark of Fraxinus excelsior. They may take two years to mature. Black frass can indicate their presence. They pupate in the larval feeding location.

Identification: A cream to fawn forewing is heavily marked with black scales, particularly either side of the pre median line and to a lesser extent of the post median line and terminal area. The discal spots and palps are inconspicuous.

Recorded in 50 (86%) of 58 10k Squares.
First Recorded in 1860.
Last Recorded in 2023.

Latest 5 Records
Date#VC10k Area
17/09/2023125TM25 - Wickham Market/Otley
14/09/2023126TL97 - Hopton/Ixworth
14/09/2023+25TM34 - Hollesley/Rendlesham Forest
10/09/2023125TM13 - Brantham/Holbrook
10/09/2023125TM15 - Helmingham/Claydon
Further info: Euzophera pinguis
 
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