White M Hairstreak
Common NameWhite M Hairstreak
Scientific NameParrhasius m-album
FamilyLycaenidae
SubfamilyTheclinae
Wingspan (mm)30
Wing Patternstriped
Primary Colorsdark brown, gray, white
HabitatDeciduous woodlands, forest edges, parks, gardens
Geographic RangeEastern North America, from southern Canada to Florida and west to Texas and Kansas
Host PlantsQuercus spp. (oaks)
Flight PeriodApril to October (multiple broods)
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on the leaves of host oak trees. Larvae feed on oak leaves, and pupation occurs on or near the host plant.
Identification TipsThe most reliable identification feature is the prominent white 'M' mark on the underside of the hindwing. Look for the iridescent blue on the upper side when the wings are open.
Description
A small, dark butterfly with iridescent blue on the dorsal side of its wings. The underside is grayish-brown with a distinctive white line forming an 'M' shape on the hindwing, often accompanied by small tails and orange/blue spots.
