Holly Blue – Celastrina argiolus October 17, 2017 admin Species Galleries – Butterflies – Holly Blue Celastrina argiolus Holly Blue - Celastrina argiolus Holly Blue - Celastrina argiolus Holly Blue - Celastrina argiolus Holly Blue - Celastrina argiolus Holly Blue - Celastrina argiolus Holly Blue - Agelastica alni Holly Blue - Celastrina argiolus