Oystershell Metrea Moth
Common NameOystershell Metrea Moth
Scientific NameMetrea ostreonalis
FamilyCrambidae
SubfamilySpilomelinae
Wingspan (mm)22
Wing Patternspotted
Primary Colorswhite, black, grey
HabitatDeciduous woodlands, forests, and areas with host trees
Geographic RangeEastern North America, from Quebec and Ontario south to Florida and west to Texas and Kansas
Host Plantsoak, maple
Flight PeriodMay to October (multiple broods)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on the leaves of various deciduous trees and shrubs. Pupation occurs in a cocoon, likely in leaf litter or soil.
Identification TipsLook for the distinctive white or pale grey wings with irregular, mottled blackish markings, which give it an 'oystershell' appearance. The prominent dark discal spot on the forewing is also a key feature.
Description
A small moth with a white to pale grey ground color on its wings, featuring irregular, mottled blackish-grey patches and a prominent dark discal spot. The body is dark, and the antennae are slender.
