Attributes of Ancyloxypha numitor

Least Skipper
Ancyloxypha numitor (Fabricius, 1793)

Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Antennae are short. Upperside of forewing is orange with a wide, diffuse black border at the outer margin; hindwing is yellow-orange with a wide black margin. Underside of forewing is black with orange borders at the tip and leading edge; hindwing is yellow-orange.
Wing Span: 7/8 - 1 1/8 inches (2.2 - 2.9 cm).
Life History: Males patrol for females with a low, fluttery flight through grassy areas. Females lay eggs singly on grass blades. Caterpillars feed on leaves and rest in nests of rolled or tied leaves. Third- and fourth-stage caterpillars hibernate.
Flight: Three broods from May-October in most of the range, four broods from February-December in the Deep South and Texas.
Caterpillar Hosts: Various grasses including marsh millet (Zizaniopsis miliacea), rice cutgrass (Leersia oryzoides), and cultivated rice (Oryza sativa).
Adult Food: Flower nectar from low growing plants such as wood sorrel, swamp verbena, pickerelweed, chickory, and white clover.
Habitat: Moist or wet open places with tall grasses, marshes, ditches, slow streams, hillsides, or old fields with tall grasses.
Range: Nova Scotia west to southern Saskatchewan; south through the eastern states to Florida, the Gulf states, Texas, and southeastern Arizona. Strays to central Colorado.
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 Ancyloxypha numitor

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Ancyloxypha numitor - LeastSkipper_small.jpg

Ancyloxypha numitor - LeastSkipper_small.jpg
Ancyloxypha numitor - ancyloxypha_numitor_caterpillar2_raisingbutterflies.jpg

Ancyloxypha numitor - ancyloxypha_numitor_caterpillar2_raisingbutterflies.jpg
Ancyloxypha numitor - Ancyloxypha_numitor.jpg

Ancyloxypha numitor - Ancyloxypha_numitor.jpg
Ancyloxypha numitor - Ancyloxypha_numitor2.jpg

Ancyloxypha numitor - Ancyloxypha_numitor2.jpg
Ancyloxypha numitor - LeastSkipper2_small.jpg

Ancyloxypha numitor - LeastSkipper2_small.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
September 14, 2016 hmclin York County, Pennsylvania, United States September 15, 2016 Details
September 04, 2016 Doug Bruce Obion County, Tennessee, United States September 12, 2016 Details
August 07, 2016 aarongunnar Waukesha County, Wisconsin, United States September 11, 2016 Details
September 04, 2016 stephen stedman Macon County, Tennessee, United States September 05, 2016 Details
September 03, 2016 iangardner Snyder County, Pennsylvania, United States September 04, 2016 Details
September 03, 2016 iangardner Snyder County, Pennsylvania, United States September 04, 2016 Details
August 29, 2016 holla for the environment Ontario, Canada August 31, 2016 Details
August 15, 2016 Peggytorm Du Page County, Illinois, United States August 28, 2016 Details
August 24, 2016 Chet Gottfried Centre County, Pennsylvania, United States August 26, 2016 Details
August 07, 2016 Kzfisherman McHenry County, Illinois, United States August 18, 2016 Details
August 13, 2016 Melinda Fawver Overton County, Tennessee, United States August 15, 2016 Details
August 13, 2016 digginflowers Lancaster County, Pennsylvania, United States August 13, 2016 Details
August 10, 2016 digginflowers Lebanon County, Pennsylvania, United States August 11, 2016 Details
July 24, 2016 Jonathan Clark Concordia Parish, Louisiana, United States August 08, 2016 Details
August 02, 2016 digginflowers Adams County, Pennsylvania, United States August 05, 2016 Details
July 30, 2016 Doug Bruce Bedford County, Tennessee, United States August 01, 2016 Details
July 30, 2016 John LeBlanc Chesterfield County, Virginia, United States July 31, 2016 Details
July 27, 2016 mellielong Lincoln County, West Virginia, United States July 28, 2016 Details
June 26, 2016 aarongunnar Jefferson County, Wisconsin, United States July 21, 2016 Details
June 27, 2016 aarongunnar Jefferson County, Wisconsin, United States July 21, 2016 Details
June 28, 2016 holla for the environment Ontario, Canada July 05, 2016 Details
July 01, 2016 gpstewart Texas, United States, Williamson County July 03, 2016 Details
June 29, 2016 CA Ivy Sebastian County, Arkansas, United States June 29, 2016 Details
June 19, 2016 Doug Bruce Meigs County, Tennessee, United States June 28, 2016 Details
June 26, 2016 Doug Bruce Pickett County, Tennessee, United States June 28, 2016 Details
June 11, 2016 aarongunnar Jefferson County, Wisconsin, United States June 25, 2016 Details
June 13, 2016 Ryan D. Larson Dane County, Wisconsin, United States June 25, 2016 Details
June 13, 2016 Ryan D. Larson Dane County, Wisconsin, United States June 25, 2016 Details
June 13, 2016 Ryan D. Larson Dane County, Wisconsin, United States June 25, 2016 Details
June 22, 2016 sh11 Ontario, Canada June 24, 2016 Details
June 09, 2016 PDunwiddie St Charles County, Missouri, United States June 14, 2016 Details
June 09, 2016 a.d.levine Orange County, New York, United States June 11, 2016 Details
June 06, 2016 Joe Bartok Ontario, Canada June 10, 2016 Details
June 04, 2016 Chet Gottfried Centre County, Pennsylvania, United States June 06, 2016 Details
June 04, 2016 TSims Lancaster County, Pennsylvania, United States June 06, 2016 Details
May 30, 2016 Doug Bruce Obion County, Tennessee, United States June 02, 2016 Details
May 21, 2016 Ron Smith Pinellas County, Florida, United States May 22, 2016 Details
May 14, 2016 Doug Bruce Blount County, Tennessee, United States May 21, 2016 Details
May 09, 2016 CA Ivy Tulsa County, Oklahoma, United States May 10, 2016 Details
May 01, 2016 StaceyWhetstone Knox County, Tennessee, United States May 05, 2016 Details
July 03, 2015 dpgbfly1 Kanabec County, Minnesota, United States January 28, 2016 Details
July 07, 2015 dpgbfly1 Mille Lacs County, Minnesota, United States January 28, 2016 Details
August 23, 2015 rosacmchenry@sbcglobal.net Sedgwick County, Kansas, United States January 19, 2016 Details
August 13, 2015 Laurie Sheppard Rockingham County, New Hampshire, United States December 07, 2015 Details
October 06, 2015 Doug Bruce Tipton County, Tennessee, United States October 07, 2015 Details
September 19, 2015 John LeBlanc Chesterfield County, Virginia, United States October 02, 2015 Details
September 27, 2015 Doug Bruce Loudon County, Tennessee, United States September 28, 2015 Details
June 04, 2015 wayne13114 Oswego County, New York, United States September 25, 2015 Details
August 23, 2015 Kzfisherman McHenry County, Illinois, United States September 17, 2015 Details
September 20, 2010 AJ Trently Fayette County, Tennessee, United States September 17, 2015 Details