Australian Emerald Dragonfly

Fascinating facts about the Australian Emerald Dragonfly

• Dragonfly eyes cover almost their entire head, with 30,000 individual lenses, giving them nearly 360-degree vision to catch prey in mid-air. This means they can spot a mosquito from 10 metres away and chase it down at speeds of up to 30 km/h.
• In a single day, an Australian Emerald Dragonfly can eat its own body weight in mosquitoes, with some individuals consuming over 100 mosquitoes in a 24-hour period. This makes them a crucial part of the ecosystem, keeping mosquito populations under control.
• Australian Emerald Dragonflies migrate vertically, spending the winter months in the warmer layers of air near the ground and moving upwards as the weather warms. This behavioural adaptation allows them to thrive in areas with cold winters, and they can be found in a wide range of habitats, from forests to urban parks.
• The iridescent green colour of the Australian Emerald Dragonfly is not just for show - it also plays a crucial role in their defence against predators. The colour is created by the structure of their body, which reflects light and makes it difficult for predators to see them clearly, giving them a chance to escape.
• Australian Emerald Dragonflies have been around for a long time, with fossil records showing that they have remained largely unchanged for over 300 million years. This makes them one of the most ancient living insects, and a window into the past, allowing scientists to study the evolution of insects and the ecosystems they inhabit.

At a glance

About the Australian Emerald Dragonfly

The Australian Emerald Dragonfly (Hemicordulia australiae) is a striking embodiment of the vibrant ecosystems it inhabits. With its iridescent emerald green thorax and delicate, translucent wings that shimmer in the sunlight, this species captivates onlookers. Typically found near freshwater habitats such as rivers, streams, and ponds across eastern Australia, these dragonflies are not just visually stunning; they are also adept hunters. Their large, multifaceted eyes provide a wide field of vision, enabling them to spot prey from considerable distances. Agile in flight, they exhibit a remarkable ability to hover and dart, making them formidable predators of smaller insects, particularly mosquitoes and other flies. What sets the Australian Emerald apart is its unique mating ritual; males perform aerial displays to attract females, showcasing their agility and strength in a dance that is as much about survival as it is about reproduction. Inhabiting the lush, temperate regions of Australia, these dragonflies thrive in environments rich in vegetation, which provides both shelter and hunting grounds. Their lifecycle begins in the water, where eggs are laid in submerged vegetation, and the subsequent nymphs develop over several months, exhibiting a remarkable adaptability to varying water conditions. As adults, they emerge to take to the skies, where their vibrant colors serve as both a warning to potential predators and a beacon to mates. The Australian Emerald Dragonfly not only plays a crucial role in its ecosystem as a predator but also serves as an indicator of environmental health, making its presence a testament to the vitality of the habitats it calls home.

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