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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The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.
Instructions: Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
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The fifty most recently verified sightings are below. See more recently verified sightings of all species.
| Observation Date | Submitter | Region |
Verified Date |
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|---|---|---|---|---|---|
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April 29, 2013 | gmill711 | Wabasha County, Minnesota, United States | May 09, 2013 | Details |
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April 25, 2013 | Jdammarell | Pend Oreille County, Washington, United States | April 30, 2013 | Details |
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April 07, 2013 | curtis.lehman (Clarissa Lehman) | Columbia County, Pennsylvania, United States | April 08, 2013 | Details |
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September 25, 2010 | dpgbfly1 | Aitkin County, Minnesota, United States | January 06, 2013 | Details |
| June 25, 1987 | legacy.reporter (George T. Austin) | Elko County, Nevada, United States | December 01, 2012 | Details | |
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April 22, 2012 | Jdammarell | Pend Oreille County, Washington, United States | September 28, 2012 | Details |
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June 19, 2011 | aljay | Manitoba, Canada | September 01, 2012 | Details |
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August 18, 2012 | davidelwonger | British Columbia, Canada | September 01, 2012 | Details |
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April 08, 2012 | insanelogic | British Columbia, Canada | April 27, 2012 | Details |
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August 09, 2009 | BOGwalker | St Louis County, Minnesota, United States | February 08, 2012 | Details |
| April 07, 1999 | legacy.reporter (Pam Weatherbee) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 13, 1994 | legacy.reporter (Diane Potter) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 10, 1996 | legacy.reporter (Diane Potter) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 04, 1998 | legacy.reporter (Diane Potter) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| September 21, 1996 | legacy.reporter (Tom Dodd+Cathy Asselin) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| April 07, 1998 | legacy.reporter (Pam Weatherbee) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 07, 1996 | legacy.reporter (Diane Potter) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 25, 1992 | legacy.reporter (Tom Tyning #) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 17, 1994 | legacy.reporter (Tom Tyning #) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 16, 1995 | legacy.reporter (C.Berk Xerces) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 12, 1995 | legacy.reporter (N.Berk Xerces) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 12, 1997 | legacy.reporter (Mark Fairbrother #) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 15, 1998 | legacy.reporter (M. Fairbrother et al) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 27, 1996 | legacy.reporter (Rene Laubach #) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| May 25, 1998 | legacy.reporter (Dolores Price + Dave Small) | Berkshire County, Massachusetts, United States | January 01, 2012 | Details | |
| July 10, 1994 | legacy.reporter (Richard Hildreth) | Bristol County, Massachusetts, United States | January 01, 2012 | Details | |
| July 22, 1992 | legacy.reporter (Alden Thompson fide Brian Cassie) | Bristol County, Massachusetts, United States | January 01, 2012 | Details | |
| September 07, 1998 | legacy.reporter (Matt Pelikan) | Dukes County, Massachusetts, United States | January 01, 2012 | Details | |
| July 11, 1999 | legacy.reporter (Martha's Vineyard Xerces) | Dukes County, Massachusetts, United States | January 01, 2012 | Details | |
| March 31, 1996 | legacy.reporter (Jim Berry) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| April 21, 1996 | legacy.reporter (Jim Berry) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 28, 1998 | legacy.reporter (Jim Berry) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 29, 1998 | legacy.reporter (Jim Berry) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| April 14, 1997 | legacy.reporter (Stan Bolton) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 26, 1996 | legacy.reporter (Doug Savich + Claudia Tibbets) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| July 05, 1996 | legacy.reporter (Doug Savich + Claudia Tibbets) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| July 06, 1996 | legacy.reporter (Doug Savich + Claudia Tibbets) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| October 12, 1996 | legacy.reporter (Doug Savich + Claudia Tibbets) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| May 05, 1996 | legacy.reporter (Jim Berry) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| April 07, 1999 | legacy.reporter (Fred Goodwin) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| May 08, 1995 | legacy.reporter (Jim Berry) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 29, 1998 | legacy.reporter (Jim Berry) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 30, 1997 | legacy.reporter (Fred Goodwin) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| October 14, 1997 | legacy.reporter (Tom Gagnon) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 25, 1998 | legacy.reporter (Fred Goodwin) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 27, 1998 | legacy.reporter (Fred Goodwin) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 28, 1998 | legacy.reporter (Fred Goodwin) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 30, 1998 | legacy.reporter (Fred Goodwin) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| March 31, 1998 | legacy.reporter (Fred Goodwin) | Essex County, Massachusetts, United States | January 01, 2012 | Details | |
| April 07, 1998 | legacy.reporter (Fred Goodwin) | Essex County, Massachusetts, United States | January 01, 2012 | Details |
