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Title
Holly Blue Butterfly - Celastrina argiolus #191411404
Description
Holly Blue Butterfly - Celastrina argiolus. The Holly Blue is primarily found in the southern half of the British Isles, and is a frequent visitor to gardens. This species is renowned for fluctuating wildly in numbers, forming a predictable cycle over a few years, believed to be caused by parasitism from the wasp Listrodomus nycthemerusn