Major Yellow Oakblue
Common NameMajor Yellow Oakblue
Scientific NameArhopala major
FamilyLycaenidae
SubfamilyTheclinae
Wingspan (mm)40
Primary Colorsbrown, blue
HabitatTropical evergreen and deciduous forests, forest edges
Geographic RangeNortheast India, Myanmar, Thailand, Laos, Vietnam, Peninsular Malaysia, Sumatra, Borneo
Host PlantsVarious trees and shrubs, likely including species from Fabaceae and Fagaceae
Flight PeriodYear-round in tropical regions, with peaks during warmer months
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesLarvae are typically slug-shaped and, like many Lycaenidae, are often myrmecophilous, forming symbiotic relationships with ants that protect them in exchange for honeydew.
Identification TipsKey features for identification are the dull brown underside with its subtle ocellar markings and the prominent, iridescent blue patch located at the tornus of the hindwing.
Description
This medium-sized butterfly displays a dull brown underside with faint, darker brown ocellar spots and a striking iridescent blue patch near the hindwing tornus. The upperside, though not visible, is typically a brilliant iridescent blue.
