Tholymis is a genus of medium-sized dragonflies in the family Libellulidae. Species of Tholymis are tropical, active mostly at dawn and dusk.

Etymology The genus name Tholymis is possibly derived from the Greek θώραξ (thōrax, "thorax" or "chest") and λυγαῖος (lygaios, "shadowy" or "murky"), together with the common dragonfly suffix -themis. The name may refer to the dark-coloured thorax of males of Tholymis citrina.

Species The genus Tholymis includes the following species: Male Female Scientific name Common name Distribution Tholymis citrina Evening Skimmer Caribbean Sea, Central America, North America, and South America. Tholymis tillarga Twister, Coral-tailed Cloud Wing tropical West Africa to Asia, Australia and the Pacific Islands.

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