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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]
Edit 2 - Vector version, by Gustavb – same text as Edit 1 ((Note: This is a new file, not nominated file from 2006)) File:Dragonfly morphology edit 4.svg Edit 4 - more wing adjustments. I am self nominating a peice of my own work which shows the basic morphology and anatomy of a female dragonfly (specifically a Green Darner).
Rhyothemis fuliginosa is a short and stout dragonfly with a body length of 32-41 millimeters in length. The wings are 30–40 mm across and patterned with a deep blue iridescent shade. [11] [3] Depending on the viewing angle, the dragonfly's wings can vary in color due to their light scattering properties, with some appearing golden in the light.
One of the largest species in Europe, the emperor dragonfly is exceeded by magnificent emperor, which occurs only marginally in the east Mediterranean [9] and in length by females of the golden-ringed dragonfly, a species with an unusually long ovipositor. [10] Thus, in most of Europe the emperor is the largest dragonfly species present.
The green darner is a large dragonfly; males grow to 76 mm (3.0 in) in length with a wingspan up to 80 mm (3.1 in). [9] [10] Females oviposit in aquatic vegetation, eggs laid beneath the water surface. Nymphs (naiads) are aquatic carnivores, feeding on insects, tadpoles, and small fish.
The golden-ringed dragonfly (Cordulegaster boltonii) is a large, striking species of dragonfly found widely in Europe and locally in northwestern Africa, especially near flowing waters like streams. [1] It is the longest British species of dragonfly, [2] and the only member of its genus to be found in the United Kingdom. [3]
Rhyothemis variegata, [2] known as the common picture wing [3] [4] or variegated flutterer, is a species of dragonfly of the family Libellulidae, found in South Asia, [1] [5] Indochina and southern China.
The Holy Family with the Dragonfly, also known as The Holy Family with the Mayfly, The Holy Family with the Locust, and The Holy Family with the Butterfly is an engraving by the German artist Albrecht Dürer (1471–1528) from approximately 1495. It is quite small but full of intricate detail.