Nematopogon swammerdamella
Large Long-horn
Wingspan 18-21 mm. The largest of Britain's 'longhorn' moths. Resembles N. schwarziellus, with long white antennae and yellow-orange head tufts, but is larger and has no discal spot.
Usually associated with deciduous woodland habitats.
It is on the wing during May and June.
The larvae are believed to feed on dead leaves.
This species is generally distributed throughout the British Isles. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.
Fairly frequent but not common in Leicestershire and Rutland. L&R Moth Group status = B (scarce resident or restricted distribution or regular migrant)
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: 2025+ | 2020-2024 | pre-2020
UK Map
Species profile
- Common names
- Large Long-horn
- Species group:
- Moths
- Kingdom:
- Animalia
- Order:
- Lepidoptera
- Family:
- Adelidae
- Records on NatureSpot:
- 35
- First record:
- 05/05/2007 (Nicholls, David)
- Last record:
- 05/06/2023 (Poole, Adam)
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.