A Holly Blue (Celastrina argiolus) is perched on the side of a wildflower. Its small body and antennae are clearly visible. The closed wings are white with black spots.
The background is a natural green, out of focus.
The Holly Blue is often the first blue butterfly to be spotted in spring, as its first generation begins to fly as early as late March or April.
The undersides of the wings are characteristically light grey to almost white with a slight bluish tinge. They are covered with many small, deep black spots, which, however, do not have orange markings or ‘eyes’, distinguishing it from many other blue butterfly species.
Size: It is a delicate butterfly with a wingspan of approximately 23 to 30 millimetres.
Upper side: The upper side of the wings is light blue in both sexes, although the females also have a broad, black-grey margin on the forewings.
A Holly Blue for #ButterflyWeek 🦋
Wishing you a great weekend 🫶
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