Discover
Identify
Record
Dusky Thorn - Ennomos fuscantaria
Wingspan 35-40 mm. Generally distinguished by its resting position and by the mauvish grey or grey brown shading between the outer cross line and outer edge of wing. Shape of cross line on forewing slightly variable.
The species is found in deciduous woods and their margins, and suburban habitats, where the larval foodplant, Ash grows.
It flies from August to early October.
Overwinters as an egg usually in the larval stage early May to mid July.
Distributed over England and Wales, this moth can be reasonably common in the southern part of its range, but scarcer further north. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.
Common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)
Leicestershire & Rutland Map
Enter a town or village to see local records
MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015
UK Map
Species profile
- Common names
- Dusky Thorn
- Species group:
- Moths
- Kingdom:
- Animalia
- Order:
- Lepidoptera
- Family:
- Geometridae
- Records on NatureSpot:
- 465
- First record:
- 01/01/1992 (LLRS)
- Last record:
- 17/09/2023 (Hagley, Neil)
Total records by month
% of records within its species group
10km squares with records
The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.
In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.