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Lunar yellow underwing moth (Noctua orbona)
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Find out here.Lunar yellow underwing moth fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
- Print factsheet
Lunar yellow underwing moth description
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Class | Insecta |
| Order | Lepidoptera |
| Family | Noctuidae |
| Genus | Noctua (1) |
The scarce Lunar Yellow Underwing has dark brown forewings but deep yellow hindwings with a broad brownish-black border. There is a black spot on the margin of the forewing (the 'costa') near the apex (2). The moth can suddenly display the hind wings when threatened in order to alarm potential predators (4).
- Size
- Wingspan: 37 - 42 mm (2)
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Related species
Lunar yellow underwing moth biology
Adults of this single-brooded species fly between late June and September, and possibly aestivate during August (1). Caterpillars are present from October to April and feed at night on fine grasses (1). The pupal stage occurs underground (3).
TopLunar yellow underwing moth range
This species has undergone a sustained decline but formerly had a wide distribution in the UK. The current stronghold is in the Brecklands of Norfolk and Suffolk (3). It is also currently reported from north east Scotland, and caterpillars have been found in the Wirral (Cheshire) in 2002 (2). Elsewhere it is known from North Africa, Central Asia and the Middle East, and is a local species in Europe, but is absent from the south-west of Spain and Portugal, southern Greece and Ireland (3).
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Species with a similar range
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You can view distribution information for this species at the National Biodiversity Network Gateway. |
Lunar yellow underwing moth habitat
Generally associated with open grassy sites amongst woodland and heathy, sandy or calcareous areas (3).
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Species found in a similar habitat
Lunar yellow underwing moth status
Classified as Nationally Scarce in Great Britain (3).
TopLunar yellow underwing moth threats
Destruction of fine-grass heaths, and sheep grazing and close-mowing of tufted grasses are the major threats facing this species (2).
TopLunar yellow underwing moth conservation
The Lunar Yellow Underwing moth is a UK Biodiversity Action Plan (UK BAP) priority species. The Species Action Plan aims to maintain the current range of the species. Survey and research has been largely carried out in the Brecks (2).
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The UK Biodiversity Action Plan for this species is available at UK BAP. |
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View information on this species at the UNEP World Conservation Monitoring Centre. |
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There may be further information about this species available via the National Biodiversity Network Gateway. |
Find out more
Further reading on moths:
Leverton, R. (2001) Enjoying Moths. Poyser, London.
Skinner, B (1998) Moths of the British Isles. Viking, London.
Authentication
Information authenticated by Gerry Haggett.
TopGlossary
- Aestivation
- Period of dormancy occurring in hot, dry periods, analogous to hibernation in winter.
- Calcareous
- Containing free calcium carbonate, chalky.
- Pupal stage
- Stage in an insect's development, when huge changes occur that reorganise the larval form into the adult form. In butterflies the pupa is also called a chrysalis.
- Single-brooded
- (also known as 'univoltine'). Insect life cycle that takes 12 months to be complete, and involves a single generation. The egg, larva, pupa or adult over winters as a dormant stage.
References
- Skinner, B. (1984) Colour Identification Guide to Moths of the British Isles. Viking Press, London.
- Haggett, G. (2002) Pers. comm.
- UK BAP Species Action Plan (January 2002): http://www.ukbap.org.uk
- Pers. observation from images.
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Image credit
Lunar Yellow Underwing
© David Green / British Butterfly Conservation Society Ltd
Butterfly Conservation
Manor Yard
East Lulworth
Wareham
Dorset
BH20 5QP
United Kingdom
Tel: +44 (0) 1929 400 209
info@butterfly-conservation.org
http://www.butterfly-conservation.org/
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