Attributes of Asterocampa idyja
Dusky Emperor
Asterocampa idyja (Geyer, [1828])
Family: Nymphalidae
Subfamily: Apaturinae
Identification: Upperside is brown; forewing is hooked. Male forewing with white spots near the tip, and usually a band of yellow spots across the center of the wing. Hindwing has 6 dark submarginal eyespots. Female spots are duller, more diffuse; forewing is broader and not as hooked as in the male. Both sexes have another form in which the colors are paler.
Wing Span: Not reported.
Life History: Males perch to await females.
Flight: October in Arizona.
Caterpillar Hosts: Hackberry species (Celtis) in the elm family (Ulmaceae).
Adult Food: Rotting fruit and occasionally flower nectar from Lantana, Ageratum, and Tournefortia.
Habitat: Woodlands and their edges.
Range: Cuba and the Isle of Pines, Mexico, Guatemala; rare on Hispaniola and Puerto Rico. A rare stray to southeastern Arizona.
Conservation: Not necessary for a rare stray.
NCGR:
Management Needs: None reported.
Taxonomy Notes:
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 |
||
|---|---|---|---|---|---|
| September 01, 1990 | legacy.reporter (Marcus Lindberg) | Santa Cruz County, Arizona, United States | December 01, 2012 | Details | |
| September 25, 1999 | legacy.reporter (Thea Pyle) | Cochise County, Arizona, United States | December 01, 2012 | Details | |
| October 03, 1999 | legacy.reporter (Thea Pyle) | Cochise County, Arizona, United States | December 01, 2012 | Details | |
| September 25, 1999 | legacy.reporter (Thea Pyle) | Cochise County, Arizona, United States | January 28, 2009 | Details | |
| October 03, 1999 | legacy.reporter (Thea Pyle) | Cochise County, Arizona, United States | January 28, 2009 | Details | |
| October 17, 2006 | legacy.reporter (Mike Overton, Paul Opler) | Tamaulipas, Mexico | October 01, 2007 | Details | |
| October 21, 2003 | legacy.reporter (North American Butterfly Association (NABA) of South Texas)) | Tamaulipas, Mexico | January 29, 2007 | Details | |
| January 01, 1950 | legacy.reporter | Santa Cruz County, Arizona, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Cochise County, Arizona, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Sonora, Mexico | December 31, 2004 | Details |
