Rapala caerulea, the Bush clover, is a butterfly of the Lycaeninae family. It was described by Bremer & Grey in 1851. It is found in north-eastern and central China, Taiwan and Korea and the Russian Far East. The length of the forewings is 16–17 mm. The wings are light-blue with a dark border, strongly widened on the forewings of females. The larvae feed on Rosa multiflora and Rhamnus species.