Dull Oak-blue
Common NameDull Oak-blue
Scientific NameArhopala dullona
FamilyLycaenidae
SubfamilyTheclinae
Wingspan (mm)35
Primary Colorsbrown, white, blue
HabitatTropical forests, forest edges, and clearings
Geographic RangeNortheast India, Myanmar, Thailand, Laos, Vietnam, Peninsular Malaysia, Sumatra, Borneo, Philippines
Host PlantsOaks (Quercus spp.), various forest trees and shrubs
Flight PeriodYear-round in tropical habitats
Flight Styledarting
Lifecycle NotesLarvae are typically flattened and slug-like, often exhibiting myrmecophily (association with ants) for protection. They feed on host plant leaves before pupating.
Identification TipsLook for the intricate brown underside pattern with darker spots and wavy lines, the distinctive iridescent blue patch near the hindwing tornus, and the bright turquoise blue eyes. It lacks prominent tails.
Description
This butterfly has a rich brown underside with intricate patterns of darker brown spots and wavy lines, accented by white linear markings and a patch of iridescent blue near the hindwing tornus. Its eyes are a striking turquoise blue.
