Pylartes subcostalis
Common NamePylartes subcostalis
Scientific NamePylartes subcostalis
FamilyCrambidae
SubfamilyPyraustinae
Wingspan (mm)20
Primary Colorsorange, dark grey, white
HabitatForested areas, woodlands, gardens
Geographic RangeEast Asia (e.g., Hong Kong, China, Taiwan, Japan), parts of Southeast Asia (e.g., India, Sri Lanka)
Host Plantsunknown, likely various herbaceous plants or shrubs
Flight PeriodMarch to November
Flight Stylefluttering
Lifecycle NotesUndergoes complete metamorphosis, progressing through egg, larval (caterpillar), pupal, and adult stages. Larvae are likely feeders on herbaceous plants or shrubs.
Identification TipsKey identification features include the distinctive bicolored forewings with a broad orange costal band and dark grey inner area, separated by a prominent white line. Its small size and typical moth resting posture are also helpful.
Description
A small moth characterized by its striking forewings, which are dark grey/black on the inner half and bright orange along the costal (leading) margin, separated by a thin white line. The hindwings are uniformly dark grey.
