[Movie File] Japanese Oakblue (Narathura japonica)
Japanese Oakblue (Narathura japonica) is found from northern Honshu to Okinawa. Outside Japan it is confined to Taiwan and Korea. Adult butterfly hibernates and sometimes is seen active even in winter when it is warm. Larva feeds on various oaks (Quercus spp.). Recently this species is found at the center of Tokyo because the foodplants are abundant in parks and streets.
▲ Basking. To bend its body towards the ground
▲ Basking. Shiny Blue on its upperside is broader in males
(Hachiouji, Tokyo JAPAN Feb. 2013)
