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Veins and membranes
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- The wings of dragonflies are mainly composed of veins and membranes, a typical nanocomposite material. The veins and membranes have a complex design within the wing that give rise to whole-wing characteristics which result in dragonflies being supremely versatile, maneuverable fliers.
www.sciencedirect.com/science/article/pii/S1631072111001896The structure and mechanical properties of dragonfly wings ...
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Feb 3, 2005 · This vein structure is held together by a very thin, shiny film made from chitin (pronounced kite-en); a starch variation that makes up the exoskeletons of most insects.
Jan 27, 2022 · A dragonfly's wings are made of a series of veins and lightweight membranes, which help make this insect more aerodynamic. The wings are corrugated, which allows this insect to absorb stress while in flight as well as keeps it stiff, preventing it from bending too much while in flight.
Jul 25, 2018 · Dragonflies spend most of their lives as nymphs. Unlike typical larvae that moult only once, like butterflies, nymphs go through a more gradual change (metamorphosis) into adults. The nymphs look like mini adults without wings. You’re unlikely to spot them as they live underwater.
Dragonfly (Anisoptera) wings represent an extreme example of this automatic shape control among flying insects. The functionality of the wings results from complex interactions between several structural components of which they are composed.
- Head. Like all insects, the dragonfly is made up of three main body parts: head, thorax and abdomen. The head is a tough, rounded capsule, hollowed out at the back to allow efficient attachment of the neck and to increase head mobility.
- Thorax. The thorax is the center for locomotion. It is a muscular powerhouse, controlling head, wing and leg movements. Dragonflies are unusual in their wing movements.
- Wings. The anatomy of wings and their venation can be very complicated, and one could make a life’s work of just studying them. Most dragonflies can be identified to the level of genus and many to the level of species by just knowing the wing venation.
- Abdomen. The abdomen always has ten segments. Segments 1 and 2 appear to be integrated into the thorax and are sometimes difficult to tell from the thorax.
Jan 1, 2012 · The wings of dragonflies are mainly composed of veins and membranes, a typical nanocomposite material. The veins and membranes have a complex design within the wing that give rise to whole-wing characteristics which result in dragonflies being supremely versatile, maneuverable fliers.
The four-wing model is the first to really crack the problem of flight, and insects that look essentially like modern dragonflies are present in the fossil record at least as far back as 320 million years ago.
