1) Arthropod family 2) Family lycaenidae 
Theclinae – hairstreaks, elfins and see text or Lycaenidae is the second-largest family of butterflies (behind the brush-footed butterflies), with over 5,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfly species. The family is traditionally divided into the subfamil...
Lycaenidae is the blues, coppers and hairstreaks family of butterflies of the order Lepidoptera.
[n] - family of small usually brilliantly colored butterflies
Blues - the collective name given to butterflies within the family Lycaenidae that have blue wings.
family Lycaenidae noun family of small usually brilliantly colored butterflies; males have short forelegs