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Do insects have wings?
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Insect wings are adult outgrowths of the insect exoskeleton that enable insects to fly. They are found on the second and third thoracic segments (the mesothorax and metathorax), and the two pairs are often referred to as the forewings and hindwings, respectively, though a few insects lack hindwings, even rudiments.
Nov 14, 2022 · Many species of insects do have wings. But not all. Insects are by far the most biodiverse group in the animal kingdom, responsible for up to 80% of all life on Earth. It is estimated some 10 quintillion insects can be found on the planet. That’s 10, followed by 18 zeros.
Two insect groups, the dragonflies and the mayflies, have flight muscles attached directly to the wings. In other winged insects, flight muscles attach to the thorax, which make it oscillate in order to induce the wings to beat.
The typical insect wing is a sandwich of this highly effective, lightweight material: two layers squeezed together and interlaced with a network of veins, which serve the dual purpose of strengthening the wing and circulating blood (haemolymph in insects). So that’s the lightness and strength taken care of.
Feb 12, 1997 · Some entomologists have considered wings to be an evolutionary novelty, first sprouting from tiny nubs of tissue that bud during development. Others have thought that wings were modified from existing structures, probably one of the many appendages that branch out from insect limbs.
Dec 1, 2020 · Insect wing evolution traces back to ancestral crustacean, MBL scientists confirm. It sounds like a just-so story—“How the Insect Got its Wings”—but it’s really a mystery that has puzzled biologists for over a century.
True flies are a large group of insects with only one pair of wings, although they have small balancing organs known as halteres where a second pair of wings might develop. The halteres vibrate with the wings and sense changes of direction.
