The Wing Atlas
Large Tortoiseshell

Large Tortoiseshell

Common NameLarge Tortoiseshell
Scientific NameNymphalis polychloros
FamilyNymphalidae
SubfamilyNymphalinae
Wingspan (mm)60
Wing Patternspotted
Primary Colorsorange, black, brown
HabitatWoodlands, forest edges, orchards, parks, gardens
Geographic RangeEurope, North Africa, temperate Asia
Host Plantselm, willow, poplar, cherry, plum
Flight PeriodMarch to May, July to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid in batches on host plants. Larvae are spiny, black with yellow stripes, and feed gregariously. Pupation occurs as a chrysalis, with adults emerging in summer to hibernate and re-emerge in spring.
Identification TipsDistinguished from the Small Tortoiseshell by its larger size, lack of blue marginal spots, and more uniform orange-brown ground color. The underside is cryptically mottled, aiding in camouflage during hibernation.

Description

A medium-sized butterfly with rich orange-brown wings, prominent black spots, and a dark, jagged outer margin.

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