Holly blue su, scientifically classified as Celastrina argiolus, is a species of butterfly belonging to the Lycaenidae family. It is commonly found in woodlands, meadows, and gardens across Europe and Asia.
This vibrant butterfly is characterized by its striking blue upper wings, adorned with a row of distinctive black spots along the outer margin. The undersides of its wings display a intricate pattern of white and blue markings, aiding in camouflage among foliage.
