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Species Oenomaus ortygnus - Aquamarine Hairstreak - Hodges#4294

Aquamarine Hairstreak - Oenomaus ortygnus Aquamarine Hairstreak - 6th (or so) US record - Oenomaus ortygnus
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies and Skippers)
Family Lycaenidae (Blues, Coppers, Hairstreaks, Harvesters)
Subfamily Theclinae (Hairstreaks)
Tribe Eumaeini
Genus Oenomaus
Species ortygnus (Aquamarine Hairstreak - Hodges#4294)
Hodges Number
Explanation of Names
Oenomaus ortygnus (Cramer, 1779)
Upperside iridescent greenish-blue with black borders in males; pale blue in females. Underside gray with an aquamarine band along the trailing edge of the hindwing. Hindwing has 3 or 4 black spots.
Very rare vagrant in the Lower Rio Grande Valley of southernmost Texas; normally found from Tamaulipas, Mexico south to Brazil - Map
low-elevation forests
Oct-Dec in TX, flies almost all year in Mexico
Adults are nectar feeders; US records have mostly been on Eupatorium betonicifolium. Caterpillars found on plants in the genus Annona; no known host plants or documented reproduction in the US.
First US records: Two individuals were seen and one collected in Brownsville in December 1962. (Clench 1964)
Print References
Clench, H.K. 1964. A new hairstreak for the United States. Journal of the Lepidopterists' Society 18(3): 189-190. (Full PDF)