Triangle Plume Moth
Common NameTriangle Plume Moth
Scientific NameStenoptilia pterodactyla
FamilyPterophoridae
SubfamilyPterophorinae
Wingspan (mm)20
Primary Colorslight brown, tan, dark brown
HabitatMeadows, grasslands, gardens, waste ground, forest edges
Geographic RangeEurope, Asia, North America
Host PlantsVeronica chamaedrys, Veronica officinalis, Veronica serpyllifolia
Flight PeriodMay to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae feed internally on the stems and leaves of various speedwell (Veronica) species, later pupating on the host plant. It typically overwinters as a larva.
Identification TipsLook for the characteristic T-shaped resting posture and the deeply cleft, feathery wings. The pale brown coloration with prominent dark brown triangular markings on the forewings, especially the costal triangle, are key identifiers.
Description
A small, slender plume moth characterized by its deeply cleft, feather-like wings. Its forewings are pale brown or ochreous, marked with distinctive darker brown triangular patches.
