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The Gem - Nycterosea obstipata
Wingspan 18 to 21 mm. The species is sexually dimorphic, the male being light brown with a darker central band, and the female slightly larger and darker, with a white spot on each forewing.
A migrant that is most often seen at light.
It usually appears in late summer and autumn.
The larvae feed on various low-growing plants.
Another continental species, which is a regular migrant to the British Isles, mainly in the south. In a recent survey to determine the status of all macro moths in Britain this species was classified as a migrant.
Occasional in Leicestershire and Rutland. L&R Moth Group status = C (very scarce resident or rare migrant).
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015
UK Map
Species profile
- Common names
- Gem
- Species group:
- Moths
- Kingdom:
- Animalia
- Order:
- Lepidoptera
- Family:
- Geometridae
- Records on NatureSpot:
- 8
- First record:
- 12/11/2018 (Dejardin, Andrew)
- Last record:
- 03/11/2024 (Calow, Graham)
Total records by month
% of records within its species group
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