| Charissa obscurata | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Geometridae |
| Genus: | Charissa |
| Species: | C. obscurata
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| Binomial name | |
| Charissa obscurata (Denis & Schiffermüller, 1775)
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| Synonyms | |
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Charissa obscurata, the annulet or Scotch annulet, is a moth of the family Geometridae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is found in most of Europe including the European part of Russia and in Asia Minor, the Caucasus , Armenia and Azerbaijan. In the mountains it rises up to 1800 meters. The habitat is rocky dry grasslands, boulder corridors, quarries as well as rocky steppe heaths and wine-growing areas.
The wingspan is 27–32 mm. The circular O marks on all four wings are typical but may be vague. The forewings have strongly toothed lines, whose which continue on the hindwings. The margin of the large hindwing is very heavily ruffled and incised, which differ from other species of Charissa moths.[1] [2] The larva is smooth and grey-brown.
Adults are on wing from July to August.
The larvae feed on various herbaceous plants, including Calluna species, Viscaria vulgaris, Sedum telephium and Rubus species.
- ^ de:Trockenrasen-Steinspanner
- ^ Prout, L. B. (1912–16). Geometridae. In A. Seitz (ed.) The Macrolepidoptera of the World. The Palaearctic Geometridae, 4. 479 pp. Alfred Kernen, Stuttgart.pdf