Japanese Dart
Common NameJapanese Dart
Scientific NamePotanthus flavus
FamilyHesperiidae
SubfamilyHesperiinae
Wingspan (mm)30
Wing Patternspotted
Primary Colorsyellow, orange, black
HabitatOpen grassy areas, forest edges, clearings, gardens, agricultural land
Geographic RangeEast Asia (Japan, Korea, China, Taiwan) and parts of Southeast Asia
Host PlantsMiscanthus sinensis, Imperata cylindrica, various grasses (Poaceae)
Flight PeriodMay to October (multiple broods)
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host grasses. Larvae feed on grass blades, often constructing shelters by rolling leaves, and pupate in a silken cocoon.
Identification TipsKey features include its bright yellow-orange coloration with prominent black spots, robust body, and hooked antennae typical of skippers. The specific pattern of black spots on the forewing helps differentiate it from similar species.
Description
A small, robust skipper with a hairy, yellowish-orange body and wings. Its wings are bright yellow-orange with distinct black rectangular or irregular spots and a dark margin.
