Epauleted Oak Dagger
Common NameEpauleted Oak Dagger
Scientific NameAcronicta brumosa
FamilyNoctuidae
SubfamilyAcronictinae
Wingspan (mm)35
Wing Patterncryptic
Primary Colorsgrey, black, white
HabitatDeciduous forests, woodlands, suburban areas
Geographic RangeEastern North America, from Nova Scotia west to Manitoba and south to Florida and Texas
Host Plantsoak, birch, maple, willow, elm
Flight PeriodMay to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are hairy caterpillars, often with tufts, that feed on the leaves of various deciduous trees. They pupate in a cocoon, often incorporating host plant material.
Identification TipsDistinguished by its mottled grey and black forewing pattern, particularly the distinct dark 'dagger' marks and the overall cryptic coloration. The specific pattern of lines and reniform/orbicular spots helps differentiate it from similar Acronicta species.
Description
A medium-sized moth with mottled grey and black forewings, featuring intricate dark lines and spots that provide excellent camouflage against tree bark. The hindwings are typically paler.
