Three-ringed Helcystogramma
Common NameThree-ringed Helcystogramma
Scientific NameHelcystogramma triannulella
FamilyGelechiidae
SubfamilyDichomeridinae
Wingspan (mm)12
Primary Colorsbrown, tan
HabitatGrasslands, meadows, open woodlands, gardens
Geographic RangeEurope, parts of Asia, introduced to North America
Host PlantsPoa, Festuca, Dactylis, various grasses
Flight PeriodMay to September (bivoltine)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on various grasses, often living within spun leaves or stems. Pupation occurs in a cocoon, typically near the ground.
Identification TipsDistinguished by its overall drab brown coloration and the subtle, often indistinct, pattern of small dark spots and streaks on the forewings. Genitalia examination may be necessary for definitive identification from similar species.
Description
A small, slender moth with mottled light brown to tan forewings, featuring a few indistinct darker spots and subtle longitudinal streaks. Its antennae are long and slender, and it often rests with wings folded flat.
