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Southern hawker and brown hawker dragonflies
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Southern hawker and brown hawker dragonflies
Southern hawker or blue hawker dragonfly, Aeshna cyanea (Aeschna maculatissima), and brown hawker, Aeshna grandis, nymph, and during metamorphosis. Handcoloured lithograph from Georg Friedrich Treitschkes Gallery of Natural History, Naturhistorischer Bildersaal des Thierreiches, Liepzig, 1842
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Media ID 23208018
© Florilegius/Mary Evans
Aeshna Bildersaal Cyanea Dragonfly Friedrich Gallery Georg Grandis Hawker Naturhistorischer Snapping Southern Termite Treitschke Termes
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This handcoloured lithograph, hailing from Georg Friedrich Treitschke's Gallery of Natural History in Leipzig, published in 1842, showcases the Southern Hawker and Brown Hawker dragonflies in various stages of their life cycle. The Southern Hawker, also known as the Blue Hawker or Aeshna cyanea (Aeschna maculatissima), is depicted in its adult form, with its vibrant blue and green wings spread wide and its long, slender body poised for a snap. The Brown Hawker, or Aeshna grandis, is shown as a nymph, camouflaged among the rocks and sand, patiently waiting for its prey – likely a termite – to approach. The metamorphosis of these dragonflies is a fascinating process. The nymphs, which can live for up to five years in freshwater, undergo a series of molts before transforming into adults. Once they emerge from their final molt, they take flight, leaving behind their aquatic existence for a new life in the air. Dragonflies are apex predators in their adult stage, with a diet consisting mainly of other insects. Their large eyes, which cover most of their head, enable them to spot prey from a great distance. The Southern Hawker is native to Europe, Asia, and North Africa, while the Brown Hawker is found in Europe, Asia, and the Middle East. This beautiful lithograph not only serves as a testament to the intricacies of the natural world but also as a reminder of the importance of preserving these magnificent creatures and their habitats. The Southern Hawker and Brown Hawker, along with many other dragonfly species, continue to face threats from habitat loss, pollution, and climate change. By appreciating their beauty and understanding their role in ecosystems, we can take steps to protect them and ensure their survival for future generations.
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