The Wing Atlas
Water-hemlock Borer Moth

Water-hemlock Borer Moth

Common NameWater-hemlock Borer Moth
Scientific NamePapaipema conochili
FamilyNoctuidae
SubfamilyApameinae
Wingspan (mm)31.5
Wing Patternspotted
Primary Colorsbrown, orange, white
HabitatWetlands, moist fields, ditches, and areas where water-hemlock grows
Geographic RangeEastern North America, from southern Canada to the Gulf states, west to the Great Plains
Host PlantsCicuta maculata (Water-hemlock)
Flight PeriodAugust to October
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are stem borers, feeding internally within the stems and roots of water-hemlock. Pupation occurs within the host plant or in the surrounding soil, with adults emerging in late summer and fall.
Identification TipsDistinguished by its robust body, the characteristic mottled brown and orange forewing pattern with prominent white or pale yellowish spots, and its strong association with water-hemlock as a larval host.

Description

A medium-sized moth with mottled brown and orange-brown forewings featuring prominent, irregular white or pale yellowish spots, including distinct reniform and orbicular markings. The hindwings are typically a plainer, duller brown.

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