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)

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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
July 18, 2016 jvkopple2 Crawford County, Michigan, United States July 18, 2016 Details
July 06, 2016 lbalthazar Ontario, Canada July 11, 2016 Details
July 06, 2016 Owen Strickland Ontario, Canada July 07, 2016 Details
July 04, 2016 Dogsledding101 Ontario, Canada July 04, 2016 Details
July 01, 2016 Pauline Donaldson Ontario, Canada July 01, 2016 Details
June 12, 2016 mktordonez Manitoba, Canada June 13, 2016 Details
June 13, 2016 Lori Franko Manitoba, Canada June 13, 2016 Details
May 09, 2016 Larry Smith Cook County, Minnesota, United States May 20, 2016 Details
July 08, 2015 sh11 Ontario, Canada May 06, 2016 Details
July 18, 2015 sh11 Ontario, Canada April 26, 2016 Details
October 07, 2015 purplechickadee Passaic County, New Jersey, United States February 29, 2016 Details
October 08, 2015 purplechickadee Passaic County, New Jersey, United States February 29, 2016 Details
July 16, 2015 stormyeyes99 Sussex County, New Jersey, United States February 29, 2016 Details
October 06, 2015 purplechickadee Passaic County, New Jersey, United States February 27, 2016 Details
June 17, 2015 mattapone Norfolk County, Massachusetts, United States January 31, 2016 Details
July 07, 2015 dpgbfly1 Mille Lacs County, Minnesota, United States January 28, 2016 Details
July 07, 2015 dpgbfly1 Mille Lacs County, Minnesota, United States January 28, 2016 Details
July 10, 2015 J_Martineau Chisago County, Minnesota, United States December 17, 2015 Details
July 21, 2015 jim8435wisc Jackson County, Wisconsin, United States August 16, 2015 Details
July 21, 2015 BOGwalker St Louis County, Minnesota, United States August 06, 2015 Details
July 25, 2015 Chris Blomme Ontario, Canada July 27, 2015 Details
July 13, 2015 jvkopple2 Ontario, Canada July 24, 2015 Details
July 11, 2015 treichard Ontario, Canada July 19, 2015 Details
July 09, 2015 lornemack Manitoba, Canada July 13, 2015 Details
July 09, 2015 Morquinn Crow Wing County, Minnesota, United States July 13, 2015 Details
June 29, 2015 sh11 Ontario, Canada July 06, 2015 Details
July 03, 2015 whhowe Ontario County, New York, United States July 04, 2015 Details
April 15, 2015 sh11 Ontario, Canada June 11, 2015 Details
April 29, 2015 Zappel Saskatchewan, Canada May 15, 2015 Details
April 19, 2015 Cherylee Black Ontario, Canada April 25, 2015 Details
April 21, 2015 plex1ppus Stevens County, Washington, United States April 24, 2015 Details
April 15, 2015 Cherylee Black Ontario, Canada April 16, 2015 Details
March 31, 2015 dzworkz Manitoba, Canada April 06, 2015 Details
December 02, 2014 showell Fairbanks North Star Borough, Alaska, United States March 21, 2015 Details
February 06, 2015 Dennis Leonard British Columbia, Canada March 21, 2015 Details
July 17, 2014 dpgbfly1 Kanabec County, Minnesota, United States February 10, 2015 Details
October 18, 2014 David Allen Jones Sawyer County, Wisconsin, United States November 25, 2014 Details
September 15, 2014 Cherylee Black Manitoba, Canada November 17, 2014 Details
August 16, 2014 Jack V. Shaw Fairbanks North Star Borough, Alaska, United States September 21, 2014 Details
August 09, 2014 treesnakes Aitkin County, Minnesota, United States August 14, 2014 Details
April 24, 2014 Twotigers British Columbia, Canada August 10, 2014 Details
August 05, 2014 Chris Blomme Ontario, Canada August 05, 2014 Details
March 27, 2013 WilmaJG British Columbia, Canada June 15, 2014 Details
April 11, 2014 Jennifer Jilks Ontario, Canada April 11, 2014 Details
April 08, 2014 John Ashley Flathead County, Montana, United States April 09, 2014 Details
September 14, 2013 raymond smith British Columbia, Canada October 31, 2013 Details
October 06, 2013 David Sweatman Manitoba, Canada October 29, 2013 Details
August 05, 2013 indigojude British Columbia, Canada September 16, 2013 Details
August 05, 2013 indigojude British Columbia, Canada September 16, 2013 Details
September 01, 2013 PDunwiddie British Columbia, Canada September 16, 2013 Details