Species Page: Compton Tortoise Shell (Nymphalis l-album)

Compton Tortoise Shell

Nymphalis l-album (Esper, 1781)

Family: Nymphalidae

Status: Rare stray (possibly breeding) or resident.

NENHP Ranking: SH

Range: Its home range includes much of southern Canada and the northern United States from coast to coast. From there it wanders both to the north and south.

Larval Hostplant(s): The following hostplants can be found in Nebraska: Paper Birch (Betula papyrifera), Willows (Salix species), Quaking Aspen (Populus tremuloides), and American Elm (Ulmus americana)

Broods/Flight Times: One mid-late summer flight which overwinters into the following spring. The few Nebraska records are from mid-June to late July.

Overwintering: As adults.

Habitat: Forested areas.

Avg. Wingspan: 2 1/2 – 3 1/16 inches

Found at: Niobrara Valley Preserve, Gilbert-Baker SWMA

Similar Species: Mourning Cloak, Milbert’s Tortoise Shell, Anglewings (Polygonia species)

Notes: If indeed a stray, one of a very few butterflies that stray here from the north.

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