Potanthus omaha, commonly known as the lesser dart, is a species of skipper butterflies. It is found in Australia, Indochina, Malaysia, Singapore, the Philippines, India and Indonesia. It includes the following subspecies:
Potanthus omaha bione Evans, 1949 - endemic to Mindanao, Philippines Potanthus omaha copia (Evans, 1932) Potanthus omaha omaha (H. Edwards, 1863) Potanthus omaha maesina (Evans, 1934) - occurs mainly in Borneo but also found in the Tawi-tawi, Philippines Potanthus omaha nita (Evans, 1934) - found in Indonesia, Indonesia; possibly conspecific to P. o. bione.
Description The recto ground colour dark is dark brown with sharply contrasted bright orange-yellow markings. The verso is black, with the wings again marked yellow. The costal half of the forewing and of the hindwing is heavily dusted with yellowish scales. Khew, S. K. (2010). A Field Guide to the Butterflies of Singapore. Ink On Paper Communications Pte Ltd. It is a small skipper (wingspan) 20-24 mm.) It is only reliably identifiable through the examination of the male genitalia.
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