Attributes of Papilio multicaudata

Two-tailed Swallowtail
Papilio multicaudata W.F. Kirby, 1884

Family: Papilionidae
Subfamily: Papilioninae
Identification: Upper surface of male forewing with narrow black stripes. Each hindwing has 2 tails.
Wing Span: 3 1/2 - 5 inches (9 - 12.7 cm).
Life History: Males patrol stream courses or city streets for receptive females. Eggs are laid singly on leaves of host plant. Caterpillars eat leaves and rest on silken mats in shelters of curled leaves. Chrysalids hibernate.
Flight: One flight May to mid-August in North, most of year in South.
Caterpillar Hosts: Leaves of ash (Fraxinus), hop tree (Ptelea), and chokecherry (Prunus).
Adult Food: Nectar from thistles, milkweeds, California buckeye, lilac, and many others.
Habitat: Foothill slopes and canyons, moist valleys, streamsides, woodlands, parks, roadsides, suburbs, and cities.
Range: Western North America south from British Columbia, east to central Nebraska and central Texas, south through Mexico.
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 noted.
Taxonomy Notes:

Images of Papilio multicaudata

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Papilio multicaudata - Two-tailed_Swallowtail_2009-03-22_01crop_Gary_Jue.jpg

Papilio multicaudata - Two-tailed_Swallowtail_2009-03-22_01crop_Gary_Jue.jpg
Papilio multicaudata - papilio_multicaudata_multicaudata_caterpillar3_raisingbutterflies.jpg

Papilio multicaudata - papilio_multicaudata_multicaudata_caterpillar3_raisingbutterflies.jpg
Papilio multicaudata - papilio_multicaudata_multicaudata_caterpillar5a_raisingbutterflies.jpg

Papilio multicaudata - papilio_multicaudata_multicaudata_caterpillar5a_raisingbutterflies.jpg
Papilio multicaudata - papilio_multicaudata_multicaudata_caterpillar5b_raisingbutterflies.jpg

Papilio multicaudata - papilio_multicaudata_multicaudata_caterpillar5b_raisingbutterflies.jpg
Papilio multicaudata - Papilio_multicaudataJuly21-05CarolAdams-crop.jpg

Papilio multicaudata - Papilio_multicaudataJuly21-05CarolAdams-crop.jpg
Papilio multicaudata - papilio_multicaudata_pusillus_caterpillar5_raisingbutterflies.jpg

Papilio multicaudata - papilio_multicaudata_pusillus_caterpillar5_raisingbutterflies.jpg
Papilio multicaudata - Papilio_multicaudataMay5-02CarolAdams-crop.jpg

Papilio multicaudata - Papilio_multicaudataMay5-02CarolAdams-crop.jpg




Papilio multicaudata - Papilio_multicaudataSanders.jpg

Papilio multicaudata - Papilio_multicaudataSanders.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
August 01, 2016 duff Larimer County, Colorado, United States September 10, 2016 Details
August 04, 2016 John Wilson Socorro County, New Mexico, United States September 01, 2016 Details
July 17, 2016 jetboulder@aol.com Boulder County, Colorado, United States August 03, 2016 Details
July 08, 2016 altairpilot Kittitas County, Washington, United States July 09, 2016 Details
May 17, 2016 bobscafe British Columbia, Canada June 01, 2016 Details
May 05, 2016 raymond smith British Columbia, Canada May 13, 2016 Details
June 18, 2015 bobscafe British Columbia, Canada February 11, 2016 Details
February 04, 2015 Silverbeard Michoacan de Ocampo, Mexico December 27, 2015 Details
July 31, 2015 jpolliard Adams County, Colorado, United States November 13, 2015 Details
August 11, 2015 Sabrina.dagosta Denver County, Colorado, United States November 13, 2015 Details
April 03, 2015 Boslwe Santa Cruz County, Arizona, United States September 14, 2015 Details
September 02, 2015 tmrichards Boundary County, Idaho, United States September 08, 2015 Details
August 02, 2015 marystarr Yavapai County, Arizona, United States August 04, 2015 Details
June 27, 2015 SkrentnyJeff Glacier County, Montana, United States July 22, 2015 Details
July 06, 2015 Sue Orlowski Lincoln County, Washington, United States July 15, 2015 Details
July 06, 2015 Sue Orlowski Lincoln County, Washington, United States July 11, 2015 Details
June 15, 2015 Niki4ever San Juan County, New Mexico, United States July 10, 2015 Details
April 26, 2015 Nancy Asquith Contra Costa County, California, United States July 01, 2015 Details
June 04, 2015 Leslie Warren Missoula County, Montana, United States June 28, 2015 Details
May 01, 2012 ncrosbyrd Cochise County, Arizona, United States June 06, 2015 Details
May 05, 2012 ncrosbyrd Cochise County, Arizona, United States June 06, 2015 Details
March 21, 2015 QiGongbee1 Maricopa County, Arizona, United States June 06, 2015 Details
April 03, 2015 Valguire Socorro County, New Mexico, United States April 21, 2015 Details
April 09, 2015 seedsgrow Texas, Travis County, United States April 21, 2015 Details
April 04, 2015 Bixia Calaveras County, California, United States April 11, 2015 Details
August 18, 2014 jen byington Blaine County, Idaho, United States January 28, 2015 Details
August 02, 2014 sagebird52 Albany County, Wyoming, United States September 05, 2014 Details
August 26, 2014 billsbar14 Bernalillo County, New Mexico, United States August 26, 2014 Details
August 18, 2014 vangogh Bernalillo County, New Mexico, United States August 22, 2014 Details
July 31, 2014 carlysummer Gallatin County, Montana, United States August 04, 2014 Details
July 09, 2014 sandpeach Silver Bow County, Montana, United States July 10, 2014 Details
July 21, 2010 Chris Carille Photography Missoula County, Montana, United States July 02, 2014 Details
August 09, 2013 baileyh4011 Jefferson County, Colorado, United States July 01, 2014 Details
August 29, 2013 Mirelle Larimer County, Colorado, United States July 01, 2014 Details
May 25, 2014 Obaollie El Paso County, Colorado, United States June 22, 2014 Details
May 21, 2014 Sue Orlowski Lincoln County, Washington, United States May 27, 2014 Details
May 08, 2014 Sue Orlowski Douglas County, Washington, United States May 15, 2014 Details
May 08, 2014 Sue Orlowski Douglas County, Washington, United States May 15, 2014 Details
May 01, 2014 davidwdroppers Grant County, Washington, United States May 04, 2014 Details
September 20, 2013 ccobb89 Douglas County, Colorado, United States February 16, 2014 Details
August 23, 2013 deniserose81 Weld County, Colorado, United States February 11, 2014 Details
July 11, 2013 FESHAW7910 Iron County, Utah, United States February 08, 2014 Details
June 05, 2013 carex17 Cochise County, Arizona, United States February 03, 2014 Details
June 08, 2013 phillbird Jefferson County, Colorado, United States December 04, 2013 Details
August 29, 2013 daisygirlk Salt Lake County, Utah, United States October 26, 2013 Details
July 16, 2013 matthewjcampbell Umatilla County, Oregon, United States October 09, 2013 Details
October 02, 2013 George Sims Fremont County, Wyoming, United States October 08, 2013 Details
September 19, 2013 Mcuda Yavapai County, Arizona, United States September 20, 2013 Details
September 21, 2012 kdg54ca7775 British Columbia, Canada September 17, 2013 Details
September 09, 2013 Sereniki British Columbia, Canada September 17, 2013 Details