Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

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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