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Olive crescent moth (Trisateles emortualis)
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Find out here.Olive crescent moth fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
- Print factsheet
Olive crescent moth description
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Class | Insecta |
| Order | Lepidoptera |
| Family | Noctuidae |
| Genus | Trisateles (1) |
Adults of the rare Olive Crescent moth are orange-brown in colour with whitish cross-lines (3).
- Size
- Wingspan: 2.9- 3.5 cm (1)
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Related species
Olive crescent moth biology
A single-brooded species, adults fly in June and July. Caterpillars can be found between August and early October feeding on withered oak and beech leaves, either on the ground, on fallen branches, or on damaged branches still attached to the tree (1). The overwintering stage is the pupa(1).
TopOlive crescent moth range
In the UK this species occurs in a small and declining population in the Chilterns in Buckinghamshire, and in two populations in Essex (2). The range extends through most of Europe to Siberia, northern Iran and China (2).
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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. |
Olive crescent moth habitat
All UK populations occur in woodlands (2).
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Species found in a similar habitat
Olive crescent moth status
Classified as Rare in Great Britain (2).
TopOlive crescent moth threats
It is thought that changing woodland structure and new management techniques have affected the species (2).
TopOlive crescent moth conservation
A Species Action Plan has been produced for the Olive Crescent moth, which aims to maintain the present populations of the species, and has proposed a programme of monitoring (2).
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There may be further information about this species available via the National Biodiversity Network Gateway. |
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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. |
Authentication
Information authenticated by Sean Clancy.
TopGlossary
- Pupate
- The process of forming a pupa, the 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. (1884) Moths of the British Isles. Penguin Books, Harmondsworth.
- UK BAP Species Action Plan (Dec 2002): http://www.ukbap.org.uk
- Personal observation from images.
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Image credit
Olive Crescent
© 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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