Ironweed Root Moth
Common NameIronweed Root Moth
Scientific NamePapaipema cerussata
FamilyNoctuidae
SubfamilyAmphipyrinae
Wingspan (mm)35
Wing Patternstriped
Primary Colorsyellow, orange, brown
HabitatMoist meadows, open woodlands, roadsides, and disturbed areas where host plants grow.
Geographic RangeEastern North America, from Ontario and Quebec south to Florida and west to Kansas.
Host PlantsVernonia (ironweed) species
Flight PeriodAugust to October
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are borers, feeding internally within the roots and lower stems of ironweed plants. Pupation occurs in the soil, and adults emerge in late summer and early fall.
Identification TipsLook for its distinctive yellowish-orange coloration with prominent dark brown, somewhat checkered or striped patterns on the wings. The banded antennae are also a helpful feature. Its strong association with ironweed host plants is a key indicator.
Description
A medium-sized moth with yellowish-orange forewings and hindwings. The forewings feature a darker orange-brown basal area and a distinct pattern of dark brown lines forming a somewhat reticulated or striped appearance, particularly on the outer half. The hindwings are paler yellow with fainter brown lines.
