Attributes of Urbanus doryssus

White-tailed Longtail
Urbanus doryssus (Swainson, 1831)
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Tails are short and broad. Uppersides of tails and most of the hindwing outer margins are white; remainder of wing surfaces are dark brown.
Wing Span: 1 3/16 - 1 7/8 inches (3 - 4.8 cm).
Life History: Not reported.
Flight: All year in Mexico; March-November in South Texas.
Caterpillar Hosts: Not reported.
Adult Food: Not reported.
Habitat: Subtropical scrub.
Range: Argentina north through tropical America to Mexico. Strays north to the lower Rio Grande Valley, Texas.
Conservation: Not necessary for a rare stray.
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:

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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.

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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 Datesort icon
November 18, 2010 JimConrad Yucatan, Mexico November 15, 2012 Details
March 23, 2010 JimConrad Yucatan, Mexico November 11, 2011 Details
October 16, 2006 legacy.reporter (Mike Overton, Paul Opler) Tamaulipas, Mexico October 01, 2007 Details
January 10, 2004 legacy.reporter (North American Butterfly Association (NABA) of South Texas)) Hidalgo County, Texas, United States January 29, 2007 Details
November 27, 2004 legacy.reporter (North American Butterfly Association (NABA) of South Texas)) Nuevo Leon, Mexico January 29, 2007 Details
January 01, 1950 legacy.reporter Sinaloa, Mexico December 31, 2004 Details
January 01, 1950 legacy.reporter Tamaulipas, Mexico December 31, 2004 Details
January 01, 1950 legacy.reporter Cameron County, Texas, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Dimmit County, Texas, United States December 31, 2004 Details