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Damselflies tend to be less robust, and appear weaker in flight; their wings are narrow near the base and (in most species) held folded back over the abdomen when perched. Dragonfly eyes occupy much of the animal's head, touching (or nearly touching) each other across the face. In damselflies, there is typically a gap in between the eyes.
Dragonfly vision is thought to be like slow motion for humans. Dragonflies see faster than humans do; they see around 200 images per second. [80] A dragonfly can see in 360 degrees, and nearly 80 per cent of the insect's brain is dedicated to its sight. [81]
File:Dragonfly morphology.png The basic morphology of a female dragonfly. This particular diagram is close in likeness to that of a Green Darner dragonfly. They can grow up to 3 inches in length with a wingspan of 4 and a half inches. It is identified as female due to the colour of its abdomen.
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Odonata is an order of predatory flying insects that includes the dragonflies and damselflies (as well as the Epiophlebia damsel-dragonflies). The two major groups are distinguished with dragonflies (Anisoptera) usually being bulkier with large compound eyes together and wings spread up or out at rest, while damselflies (suborder Zygoptera) are usually more slender with eyes placed apart and ...
The common whitetail or long-tailed skimmer (Plathemis lydia) is a common dragonfly across much of North America, with a striking and unusual appearance.The male's chunky white body (about 5 cm or 2 inches long), combined with the brownish-black bands on its otherwise translucent wings, give it a checkered look.
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The tau emerald is a medium-sized, black and yellow dragonfly with long legs, [4] reaching a body length of about 50 mm. [5] As is unique to dragonfly and mayfly species, H. tau has flight muscles attached directly to the wings, [6] and in both the males and females the inboard edge of the hindwing is rounded. [4]