Blues (Polyommatinae)
Species
The Lycaenidae family is a group of small butterflies more commonly known as Blues (sub-family Polyommatinae), Coppers (sub-family Lycaeninae) and Hairstreaks (sub-family Theclinae). Males in the Polyommatinae sub-family are usually blue, and females are brown, but both sexes of the Anomalous blues are brown.
 
Species seen but not photographed:
  • Eros Blue: Bulgaria (July 2015)
  • Eastern Short-tailed Blue: Bulgaria (July 2015)