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Adults. The fringes conspicuously light-and-dark banded. Small-headed. The eyes not white-rimmed. Antennae reaching noticeably less than halfway to the wingtips. Having all 6 legs fully developed and operational for walking.
Forewings. Uppersides of the forewings without eye-spots.
Hindwings. Hindwings not tailed.
Wing venation. Forewings with basally dilated veins.
Hindwings without a praecostal spur.
Eggs, larvae, pupae. The larvae without bristly spines.
British representation. 1 species. Arethusana arethusa (False Grayling). The adults abroad August.
Status in Britain. Rare ocurrence representing occasional, genuine immigrants, or adventive (? - a mainland-European species recorded in Surrey in 1974).
Distribution. Southeast England.
Classification. Superfamily Papilionoidea. Satyridae.
Illustrations. • Arethusana arethusa (False Grayling): Hübner, 1805. • Arethusana arethusa (False Grayling: Hübner). Arethusana arethusa (False Grayling). From Hübner.
We advise against extracting comparative information from the descriptions. This is much more easily achieved using the DELTA data files or the interactive key, which allows access to the character list, illustrations, full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa. See also Guidelines for using data taken from Web publications.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2008 onwards. Insects of Britain and Ireland: butterflies. Version: 27th July 2019. delta-intkey.com’.
