Coastal Flat-body
Common NameCoastal Flat-body
Scientific NameAgonopterix oregonensis
FamilyDepressariidae
SubfamilyDepressariinae
Wingspan (mm)18
Wing Patternspotted
Primary Colorsbeige, brown, black
HabitatCoastal areas, grasslands, open woodlands where host plants are present
Geographic RangeNorth America (Pacific Northwest, including Oregon, Washington, British Columbia)
Host PlantsLupinus, Lotus
Flight PeriodAugust to April (adults overwinter)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis. Larvae feed on the leaves of host plants, often spinning them together. Adults emerge in late summer and overwinter, becoming active again in spring.
Identification TipsDistinguished by its slender, flattened body, pale forewings with scattered dark spots, and its occurrence in coastal regions of the Pacific Northwest, particularly near lupine and lotus plants.
Description
A small, slender moth with pale brownish-grey forewings mottled with darker scales and distinct blackish spots, often appearing flattened when at rest.
