Long-tailed Blue Lampides boeticus (Linn.)
Scarce immigrant, or accidental import, with very occasional years of plenty.
Usually reported between August and October.
2017.09.28 Kent Prince's Beach, Sandwich Bay 1 UK Butterflies
2017.08.24 Kent Chatham 1 Jackson, Joanne
2017.08.08 Sussex Southwick Basin power station (nr) 1 Sussex BC
2017.07.09 Suffolk Ipswich garden 1 Rare Bird Alert