Oslar's Roadside-Skipper
Amblyscirtes oslari (Skinner, 1899)
Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Upperside is orange-brown with no markings; male forewing has a small black stigma. Underside of hindwing is light gray with a pale postmedian band.
Wing Span: 1 - 1 3/8 inches (2.5 - 3.5 cm).
Life History: Males are territorial and perch on sandy spots in gullies and ditches to wait for receptive females.
Flight: One brood from May-July in the north; one brood from July-September in Arizona; two broods from April-September in New Mexico and Texas.
Caterpillar Hosts: Probably blue grama grass (Bouteloua gracilis) and other grasses.
Adult Food: Flower nectar.
Habitat: Ravines, canyon bottoms, and foothills in prairies and open woodland.
Range: Southern Alberta, Saskatchewan and North Dakota south through the high plains and Rocky Mountains to Arizona, New Mexico, and South Texas.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 156 verified sightings
Observation date: May 16, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: May 19, 2022
Observation date: May 22, 2019
Submitted by: Mark Salvato
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Sep 21, 2021
Observation date: Aug 09, 2020
Submitted by: Rob Wu
Region: Socorro County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 24, 2021
Observation date: Jun 19, 2021
Submitted by: rebeccagracey
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 16, 2021
Observation date: May 03, 2003
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 25, 2020
Observation date: May 18, 2000
Submitted by: stevecary
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 25, 2020
Observation date: Jun 03, 1990
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 25, 2020
Observation date: Jun 02, 1990
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 25, 2020
Observation date: May 27, 2011
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Feb 05, 2020
Observation date: Jul 27, 2018
Submitted by: ncrosbyrd
Region: Cochise County, Arizona, United States
Verified by: John Saba
Verified date: Oct 15, 2019
Observation date: Jul 27, 2018
Submitted by: ncrosbyrd
Region: Cochise County, Arizona, United States
Verified by: John Saba
Verified date: Feb 24, 2019
Observation date: May 10, 2014
Submitted by: rhedden
Region: Briscoe County, Texas, United States
Verified by: CA Ivy
Verified date: Jan 04, 2018
Observation date: Jul 15, 2017
Submitted by: rhedden
Region: Crosby County, Texas, United States
Verified by: stomlins701
Verified date: Aug 01, 2017
Observation date: May 24, 2013
Submitted by: joeschelling
Region: Torrance County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 07, 2013
Observation date: Aug 01, 1991
Submitted by: legacy.reporter (Hoe Chuah)
Region: Cochise County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Aug 20, 1989
Submitted by: legacy.reporter (Jim Brock)
Region: Santa Cruz County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Aug 04, 1991
Submitted by: legacy.reporter (Clifford D. Ferris)
Region: Santa Cruz County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Aug 06, 1989
Submitted by: legacy.reporter (Jim Brock)
Region: Cochise County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jul 25, 2004
Submitted by: legacy.reporter (S. Bransky-Ed Ballard)
Region: Pima County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Aug 05, 1989
Submitted by: legacy.reporter (Jim Brock)
Region: Santa Cruz County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Aug 08, 2005
Submitted by: Ken Davenport (Ken Davenport)
Region: Santa Cruz County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: unknown
Submitted by: paulopler (Paul Opler)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Jul 25, 2004
Submitted by: legacy.reporter (B/B)
Region: Pima County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: May 11, 2008
Submitted by: aahewetson (Anthony Hewetson)
Region: Texas, Kent County, United States
Verified by: nick.grishin (Nick Grishin)
Verified date: Oct 03, 2008
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