Stock Photo - Female Beautiful Demoiselle, Calopteryx virgo. Adults: 49-54mm length. males are metallic blue and females emerald green. Wings are coppery gold to red with white pseudopterostigma. Development is over two years in 10-12 molts. Habitat: medium to fast-running streams and rivers with cool waters and overhanging foliage. Optimal temperature13-18C. Flight from April â. “ September.

Stock Photo: Female Beautiful Demoiselle, Calopteryx virgo. Adults: 49-54mm length. males are metallic blue and females emerald green.

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