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:
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. It is a small skipper (wingspan) 20-24 mm.) It is only reliably identifiable through the examination of the male genitalia.