61.008 Lampides boeticus (Long-tailed Blue)
ws: m32-34mm, f36-42mm; scarce migrant to S.England, mostly in Aug & Sep
ID: Male upperside blue, female upperside brown with a variable amount of blue suffusion from the wing base; underside with wavy white bands on a pale brownish ground colour; a long thin black 'tail' projecting from the termen towards the tornus with 2 subterminal black spots in the interneural spaces one on either side of the tail. The tails may be lost with wear but the underside pattern is unique amongst British Lycaenidae.
Page published 18/07/2014 (§1)