Attributes of Nymphalis vaualbum

Compton Tortoiseshell
Nymphalis vaualbum (Denis and Schiffermüller)

Family: Nymphalidae
Subfamily: Nymphalinae
Identification: Upperside is orange-brown with darker wing bases and black spots; a single white spot on leading edge of each wing. Underside is mottled gray and brown, with dark bases and borders; hindwing with small white V at outer end of cell.
Wing Span: 2 1/2 - 3 1/16 inches (6.4 - 7.8 cm).
Life History: Eggs are laid in clumps on the host plant, and caterpillars feed together. Adults hibernate, sometimes in groups.
Flight: One brood lay eggs of the next generation, which flies from July-November before hibernating.
Caterpillar Hosts: Aspen and cottonwood (Populus), willows (Salix), gray birch (Betula populifolia), and paper birch (B. papyrifera).
Adult Food: Sap, rotting fruit, nectar of willow flowers.
Habitat: Upland deciduous or coniferous forests.
Range: Southeast Alaska and Canada south in the mountains to Montana and Wyoming; east across southern Canada and the northern United States to New England; south to North Carolina and Missouri. Rare migrants to Newfoundland, Nebraska, and Florida. This species is also found in temperate Eurasia.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Taxonomy Notes:

Images of Nymphalis vaualbum

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Nymphalis vaualbum - Nymphalis_vaualbum_LauraMaskell-crop.jpg

Nymphalis vaualbum - Nymphalis_vaualbum_LauraMaskell-crop.jpg
Nymphalis vaualbum - Nymphalis_vaualbum_ventral_BeaLaporte-crop.jpg

Nymphalis vaualbum - Nymphalis_vaualbum_ventral_BeaLaporte-crop.jpg
Nymphalis vaualbum - Nymphalis_vaualbum_BeaLaporte-crop.jpg

Nymphalis vaualbum - Nymphalis_vaualbum_BeaLaporte-crop.jpg

The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
January 01, 1950 legacy.reporter Atlantic County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Bergen County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Camden County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Cape May County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Cumberland County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Essex County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Hunterdon County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Morris County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Ocean County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Passaic County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Salem County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Somerset County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sussex County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Union County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Warren County, New Jersey, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sullivan County, New Hampshire, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Merrimack County, New Hampshire, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Hillsborough County, New Hampshire, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Grafton County, New Hampshire, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Coos County, New Hampshire, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Carroll County, New Hampshire, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Cheshire County, New Hampshire, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Belknap County, New Hampshire, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Alaska, United States December 31, 2004 Details
January 01, 1950 legacy.reporter San Mateo County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Larimer County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Clear Creek County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter El Paso County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Fairfield County, Connecticut, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Hartford County, Connecticut, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Litchfield County, Connecticut, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Middlesex County, Connecticut, United States December 31, 2004 Details
January 01, 1950 legacy.reporter New Haven County, Connecticut, United States December 31, 2004 Details
January 01, 1950 legacy.reporter New London County, Connecticut, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Tolland County, Connecticut, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Windham County, Connecticut, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Seminole County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Allamakee County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Dubuque County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Fremont County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Henry County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Linn County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Polk County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Poweshiek County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Story County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Winneshiek County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Pocahontas County, Iowa, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Boundary County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Bonner County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Kootenai County, Idaho, United States December 31, 2004 Details