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Dragonflies are a general term for invertebrates, insects, dragonflies, and insects in the suborder Diptera. The base of the hind wing is slightly larger than the base of the forewing, and the wing veins are also slightly different. During rest, spread your four wings and place them flat on both sides. Juvenile insects are short and thick, with rectal gills and no tail gills. Including the superfamily of dragonfliesAeshnoideaThe superfamily of dragonfliesCordulegastroideaGeneral Department of DragonfliesLibelluloideawait3General Department, total11Science. The dragonflies and dragonflies are the most common and widely distributed in various parts of China.
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