The Wing Atlas
Long-toothed Pug

Long-toothed Pug

Common NameLong-toothed Pug
Scientific NameEupithecia longidens
FamilyGeometridae
SubfamilyLarentiinae
Wingspan (mm)20
Primary Colorsgrey, brown, black
HabitatConiferous forests, woodlands
Geographic RangeWestern North America (e.g., California, Oregon, Washington, British Columbia)
Host PlantsDouglas-fir, fir species
Flight PeriodMay to August
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis; larvae are caterpillars that feed on the needles of coniferous trees, primarily Douglas-fir and fir species.
Identification TipsIdentification often relies on subtle differences in wing pattern, particularly the transverse lines and discal spot, and confirmation may require examination of genitalia due to the similarity with other Eupithecia species.

Description

This is a small, cryptically patterned moth with mottled grey and brown forewings, marked with darker transverse lines and a small discal spot, providing excellent camouflage against tree bark or rocks.

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