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Odonata
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Odonata is an order of predatory flying insects that includes the dragonflies and damselflies. The two groups are distinguished with dragonflies usually being bulkier with large compound eyes together and wings spread up or out at rest, while damselflies are usually more slender with eyes placed apart and wings folded together along body at rest. Adult odonates can land and perch, but rarely walk.
Odonata
Odonata
Male blue ringtail (Austrolestes annulosus), a damselfly (Zygoptera: Lestidae)
Male blue ringtail (Austrolestes annulosus), a damselfly (Zygoptera: Lestidae)
Dragonfly (top) and damselfly (bottom) wing shape and venation
Dragonfly (top) and damselfly (bottom) wing shape and venation
The giant Upper Carboniferous dragonfly ancestor, Meganeura monyi, had a wingspan of about 680 mm (27 in),
The giant Upper Carboniferous dragonfly ancestor, Meganeura monyi, had a wingspan of about 680 mm (27 in),
Pterygota
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The Pterygota are a subclass of insects that includes all winged insects and the orders that are secondarily wingless.
Pterygota
Pterygota