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Tethea ocularis, the figure of eighty, is a moth of the family Drepanidae. The species was first described by Carl Linnaeus in his 1767 12th edition of Systema Naturae. It is found throughout Continental Europe and has a scattered distribution in England and Wales, although it is absent from Scotland and Ireland.

Tethea ocularis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Drepanidae
Genus:	Tethea
Species:	T. ocularis
Binomial name
Tethea ocularis (Linnaeus, 1767)
Synonyms
Phalaena ocularis Linnaeus, 1767 Phalaena octogesimea Hübner, 1786 Tethea octogena (Esper, 1788) Cymalophora octogesima var. caucasica Krulikowsky, 1901 Tethea ocularis caucasica Werny, 1966 Tethea ocularis kosswigi Werny, 1966 Tethea ocularis sareptensis Zolotuhin, 1997 Tethea ocularis tsinlingensis Werny, 1966 Cylamophora osthelderi Bytinski-Salz & Brandt, 1937 Tethea caspica Ebert, 1976

The wingspan is 35–45 mm; the dark brown forewings being marked with dark-centred white stigmata which do look rather like the number 80. The hindwings are grey. The species flies from May to July and is attracted to light and sugar.

The grey and white larva feeds on poplar and aspen. The species overwinters as a pupa.

Subspecies

• Tethea ocularis ocularis
• Tethea ocularis ocularis amurensis (Warren, 1912) (Russian Far East, north-eastern and northern China, Mongolia, Korea)
• Tethea ocularis opa Zolotuhin, 1997 (Uzbekistan, China: Xinjiang)
• Tethea ocularis osthelderi (Bytinski-Salz & Brandt, 1937) (Iran)
• Tethea ocularis tanakai Inoue, 1982 (Japan)

1. ^ The flight season refers to the British Isles. This may vary in other parts of the range.

References

• Chinery, Michael (1986, reprinted 1991). Collins Guide to the Insects of Britain and Western Europe.
• Skinner, Bernard (1984). The Colour Identification Guide to Moths of the British Isles.

External links

Wikimedia Commons has media related to Tethea ocularis.

Wikispecies has information related to Tethea ocularis.

• Kimber, Ian. "65.010 BF1654 Figure of Eighty Tethea ocularis (Linnaeus, 1767)". UKMoths. Retrieved 10 July 2019.
• Lepiforum e.V.

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