Dusky-blue Groundstreak
Calycopis isobeon (Butler & H. Druce, 1872)
Family: Lycaenidae
Subfamily: Theclinae
Identification: Two tails on the hindwing. Underside of both wings gray-brown; inner edge of postmedian line bordered narrowly with red-orange. Underside of hindwing has eyespot at lower apex with equal amounts of orange and black.
Wing Span: 7/8 - 1 1/4 inches (2.2 - 3.2 cm).
Life History: Eggs are laid in leaf litter on the ground. Caterpillars eat dead leaves and fruits, and detritus.
Flight: Many flights from January-September in Texas and Mexico.
Caterpillar Hosts: Dead leaves and fruits, and detritus, especially under trees in the cashew family (Anacardiaceae).
Adult Food: Flower nectar.
Habitat: Subtropical valley bottoms and lowland forest edges.
Range: Venezuela north through Central America and Mexico to central and South Texas. Strays into Mississippi and Kansas.
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.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 178 verified sightings
Observation date: Feb 17, 2025
Submitted by: Gordon Phillips
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Mar 31, 2025
Observation date: Oct 19, 1995
Submitted by: papilio1
Region: Denton County, Texas, United States
Verified by: jwileyrains
Verified date: Mar 24, 2025
Observation date: Mar 16, 2025
Submitted by: Charlie Doggett
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Mar 18, 2025
Observation date: Mar 05, 2025
Submitted by: Barjones78
Region: Texas, Refugio County, United States
Verified by: jwileyrains
Verified date: Mar 05, 2025
Observation date: Dec 07, 2022
Submitted by: dvollmar
Region: Hidalgo County, Texas, United States
Verified by: jwileyrains
Verified date: Sep 14, 2024
Observation date: Jun 12, 2024
Submitted by: Charlie Doggett
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Jun 29, 2024
Observation date: Feb 25, 2023
Submitted by: bonfrey
Region: Hidalgo County, Texas, United States
Verified by: jwileyrains
Verified date: Feb 11, 2024
Observation date: Sep 04, 2023
Submitted by: David Hilmy
Region: Stann Creek District, Belize
Verified by: Paul Prappas
Verified date: Dec 12, 2023
Observation date: Jan 21, 2023
Submitted by: ezeemonee
Region: La Libertad, El Salvador
Verified by: Paul Prappas
Verified date: May 23, 2023
Observation date: Feb 04, 2023
Submitted by: ezeemonee
Region: El Salvador
Verified by: Paul Prappas
Verified date: May 15, 2023
Observation date: Apr 28, 2023
Submitted by: polylepis
Region: Galveston County, Texas, United States
Verified by: jwileyrains
Verified date: Apr 30, 2023
Observation date: Feb 20, 2019
Submitted by: David F Smith
Region: Sinaloa, Mexico
Verified by: jwileyrains
Verified date: Feb 26, 2023
Observation date: Nov 08, 2022
Submitted by: Robert Gorman
Region: Hidalgo County, Texas, United States
Verified by: jwileyrains
Verified date: Nov 22, 2022
Observation date: Aug 22, 2017
Submitted by: ncrosbyrd
Region: Panama
Verified by: Paul Prappas
Verified date: Oct 12, 2022
Observation date: Jul 12, 2017
Submitted by: ncrosbyrd
Region: Chiapas, Mexico
Verified by: Paul Prappas
Verified date: Oct 11, 2022
Observation date: Jul 18, 2017
Submitted by: ncrosbyrd
Region: Chiapas, Mexico
Verified by: Paul Prappas
Verified date: Oct 11, 2022
Observation date: Feb 20, 2022
Submitted by: NCnaturegirl
Region: Fort Bend County, Texas, United States
Verified by: jwileyrains
Verified date: Aug 22, 2022
Observation date: Feb 10, 2022
Submitted by: BeckyP388
Region: Texas, McLennan County, United States
Verified by: jwileyrains
Verified date: Aug 22, 2022
Observation date: Mar 12, 2015
Submitted by: tom murray
Region: Puntarenas, Costa Rica
Verified by: Charlie Doggett
Verified date: Aug 03, 2022
Observation date: Jun 30, 2022
Submitted by: Charlie Doggett
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Jun 30, 2022
Observation date: Jan 17, 2020
Submitted by: Paul Prappas
Region: Heredia, Costa Rica
Verified by: Charlie Doggett
Verified date: Jun 27, 2022
Observation date: Oct 01, 2021
Submitted by: Paul Prappas
Region: Costa Rica
Verified by: Charlie Doggett
Verified date: Jun 22, 2022
Observation date: Feb 22, 2022
Submitted by: Barjones78
Region: Aransas County, Texas, United States
Verified by: stomlins701
Verified date: Mar 26, 2022
Observation date: Jan 17, 2022
Submitted by: guy_incognito
Region: Hidalgo County, Texas, United States
Verified by: stomlins701
Verified date: Feb 13, 2022
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