Large Oakblue
Common NameLarge Oakblue
Scientific NameArhopala amantes
FamilyLycaenidae
SubfamilyTheclinae
Wingspan (mm)40
Wing Patterncryptic
Primary Colorsbrown, grey, blue
HabitatTropical and subtropical evergreen forests, forest edges, open woodlands
Geographic RangeSouth and Southeast Asia (India, Nepal, Bhutan, Bangladesh, Myanmar, Thailand, Laos, Cambodia, Vietnam, Malaysia, Indonesia, Philippines)
Host PlantsAcacia, Albizia, Saraca, Shorea
Flight PeriodYear-round in tropical regions, with peaks during monsoon seasons
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on host plants, and the larvae are typically flattened and slug-like. Like many Lycaenids, its caterpillars may have a symbiotic relationship with ants.
Identification TipsKey features include its relatively large size for an *Arhopala* and the distinct pattern of dark brown spots and bands on the dull brown underside. The brilliant blue upperside of males is also a strong identifier.
Description
This butterfly displays a cryptic underside, mottled in shades of brown and grey with irregular darker spots and bands, providing excellent camouflage. Its upperside, not visible in this image, is typically a brilliant iridescent blue.
