National Moth Week is July 18-26!
Moths are amazing creatures. Take photographs and share your moth sightings with us to document the moths where you live.
Blue-studded Skipper
Sostrata nordica Evans, 1953
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is dark brown with a complex, variegated pattern and a scattering of iridescent blue scales. Forewing has 4 small spots near the apex.
Wing Span: 15/16 - 1 3/16 inches (2.4 - 3 cm).
Life History: Not reported.
Flight: October in South Texas; April-October in Mexico and Central America.
Caterpillar Hosts: Not reported.
Adult Food: Probably flower nectar.
Habitat: Open subtropical scrub.
Range: Argentina north through tropical America to Mexico. A rare stray 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.
Comments: NULL
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Verified Sightings
Displaying 1 - 19 of 19 verified sightings
Observation date: Feb 04, 2026
Submitted by: jrmbutterfly
Region: Quintana Roo, Mexico
Verified by: Charlie Doggett
Verified date: Jun 18, 2026
Observation date: Feb 02, 2026
Submitted by: jrmbutterfly
Region: Quintana Roo, Mexico
Verified by: Charlie Doggett
Verified date: Jun 18, 2026
Observation date: Jan 26, 2024
Submitted by: Paul Prappas
Region: Chiapas, Mexico
Verified by: Paul Prappas
Verified date: Mar 19, 2026
Observation date: Sep 23, 2023
Submitted by: Charlie Doggett
Region: Costa Rica
Verified by: Paul Prappas
Verified date: Oct 23, 2023
Observation date: Dec 04, 2022
Submitted by: ezeemonee
Region: El Salvador
Verified by: Paul Prappas
Verified date: May 23, 2023
Observation date: May 05, 2021
Submitted by: hasfitz5
Region: Quintana Roo, Mexico
Verified by: Paul Prappas
Verified date: Feb 12, 2023
Observation date: Jul 14, 2017
Submitted by: ncrosbyrd
Region: Chiapas, Mexico
Verified by: Paul Prappas
Verified date: Oct 09, 2022
Observation date: Feb 15, 2016
Submitted by: BeaLaporte
Region: Yucatan, Mexico
Verified by: jwileyrains
Verified date: Sep 16, 2022
Observation date: Sep 13, 2018
Submitted by: MaynorOvando
Region: Escuintla, Guatemala
Verified by: Doug Taron
Verified date: Sep 05, 2019
Observation date: Feb 12, 2013
Submitted by: Doug Taron
Region: Jalisco, Mexico
Verified by: Doug Taron
Verified date: Feb 20, 2013
Observation date: Oct 06, 2010
Submitted by: Doug Taron
Region: Veracruz-Llave, Mexico
Verified by: Doug Taron
Verified date: Jan 22, 2013
Observation date: unknown
Submitted by: paulopler (Paul Opler)
Region: Mexico
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Oct 15, 2006
Submitted by: legacy.reporter (Mike Overton, Paul Opler)
Region: San Luis Potosi, Mexico
Verified by: legacy.verifier (Mike Overton)
Verified date: Oct 01, 2007
Observation date: Oct 17, 2006
Submitted by: legacy.reporter (Mike Overton, Paul Opler)
Region: Tamaulipas, Mexico
Verified by: legacy.verifier (Mike Overton)
Verified date: Oct 01, 2007
Observation date: Feb 15, 2002
Submitted by: legacy.reporter (North American Butterfly Association (NABA) of South Texas))
Region: San Luis Potosi, Mexico
Verified by: legacy.verifier (North American Butterfly Association (NABA) of South Texas))
Verified date: Jan 29, 2007
Observation date: unknown
Submitted by: legacy.reporter
Region: Nuevo Leon, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Sinaloa, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Tamaulipas, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Hidalgo County, Texas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004