Harris' Three-Spot
Common NameHarris' Three-Spot
Scientific NameHarrisimemna trisignata
FamilyNoctuidae
SubfamilyPantheinae
Wingspan (mm)35
Wing Patternspotted
Primary Colorswhite, black, brown
HabitatDeciduous forests, woodlands, suburban areas
Geographic RangeEastern North America, from Nova Scotia to Florida, west to Texas and Manitoba
Host Plantsash, birch, elm, maple, oak, willow, apple, cherry, dogwood, lilac
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are highly distinctive, often resembling bird droppings or having a 'hairy' appearance with long setae. They feed on various deciduous trees and pupate in a cocoon.
Identification TipsKey features include the unique mottled white, black, and brown forewing pattern with three distinct dark brown spots (one basal, two subterminal), and the contrasting dark brown thorax.
Description
A medium-sized moth with a striking, mottled pattern of white, black, and brown on its forewings, featuring prominent dark brown spots and a dark brown thorax.
