Long-winged Dagger
Common NameLong-winged Dagger
Scientific NameAcronicta longa
FamilyNoctuidae
SubfamilyAcronictinae
Wingspan (mm)40
Wing Patterncryptic
Primary Colorsgrey, white, black
HabitatDeciduous forests, woodlands, suburban areas
Geographic RangeEastern North America, from Nova Scotia south to Florida, west to Texas and Manitoba
Host Plantsoak, maple, birch, willow, cherry, elm, hickory
Flight PeriodMay to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are hairy, often grey or brown with tufts of hair, feeding on various deciduous trees and shrubs. They pupate in a cocoon incorporating host plant material.
Identification TipsLook for the overall mottled grey coloration and the distinctive black 'dagger' markings on the forewings, particularly the one extending from the reniform spot towards the base. The relatively long and narrow forewings are also a key feature.
Description
A medium-sized moth with mottled grey and white forewings featuring intricate black markings, including prominent 'dagger' shapes near the base and apex. Its hindwings are typically paler grey.
