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Over 60% of Japan's wetlands were lost in the 20th century, so its dragonflies now depend largely on rice fields, ponds, and creeks. Dragonflies feed on pest insects in rice, acting as a natural pest control. [91] [92] Dragonflies are steadily declining in Africa, and represent a conservation priority. [93]
As for why so many dragonflies end up in Milwaukee, eastward winds push the dragonflies toward Lake Michigan during their migration, Jackson said. However, the insects will typically avoid flying ...
Emperor dragonflies can also be recognised by their flight patterns: they often fly with their abdomen hanging slightly downwards. [ 2 ] [ 8 ] 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 ...
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 ...
Notably, the Japanese believed that red dragonflies carry the souls of our departed loved ones, so there is a long history connecting the insect and the spirit realm.
Visitors called it 'apocalyptic,' but scientist have another explanation.
Birds, bats, frogs, lizards, dragonflies and spiders are among the predators of flies. [79] Many flies have evolved mimetic resemblances that aid their protection. Batesian mimicry is widespread with many hoverflies resembling bees and wasps, [ 80 ] [ 81 ] ants [ 82 ] and some species of tephritid fruit fly resembling spiders. [ 83 ]
In general, the family attacks a very wide range of prey, including other flies, beetles, butterflies and moths, various bees, ants, dragonflies and damselflies, ichneumon wasps, grasshoppers, and some spiders. They seem to do so irrespective of any repugnatorial chemicals the prey may have at their disposal. [5]