noun
gossamer-winged butterfly; Lycaenidae
Refers to small butterflies of the family Lycaenidae, often with delicate wing patterns. The name is associated with the small size and sometimes the shape of the wings.
庭に小さなシジミチョウが飛んでいた。
A small gossamer-winged butterfly was flying in the garden.
シジミチョウの幼虫はアリと共生することがある。
The larvae of gossamer-winged butterflies sometimes have a symbiotic relationship with ants.
The name likely derives from 蜆 (しじみ, 'freshwater clam'), possibly referring to the small size or wing shape reminiscent of a clam shell. The exact origin is uncertain.