Lesser Aspen Webworm Moth
Common NameLesser Aspen Webworm Moth
Scientific NameEpinotia nisella
FamilyTortricidae
SubfamilyOlethreutinae
Wingspan (mm)17
Primary Colorsdark brown, white, grey
HabitatForests, woodlands, riparian areas, and other habitats where aspen and willow trees are present.
Geographic RangeNorth America (Canada, United States), Eurasia
Host PlantsPopulus (aspen, poplar), Salix (willow)
Flight PeriodJuly to October
Conservation Statusleast-concern
Lifecycle NotesLarvae are webworms that feed on the leaves of host trees like aspen and willow, often rolling or tying leaves together. Pupation occurs in a cocoon, typically on or near the host plant.
Identification TipsLook for its small size and distinctive mottled grey-brown and white forewing pattern, which provides excellent camouflage. The presence of aspen or willow trees in the habitat is a strong indicator.
Description
This is a small, cryptically colored moth with mottled forewings displaying a mix of dark brown, black, and white speckles, often with a more prominent dark patch near the base. It rests with its wings folded flat over its body, blending well with bark or other surfaces.
