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Recently, when the Chengdu Huaxi Insect Museum was sorting specimens, it was discovered that among a batch of dragonfly specimens collected by the museum from Jinkouhe District, Leshan, Sichuan in August this year, there was the smallest dragonfly species in the world. This is the first time this species has been recorded in Sichuan. This batch of dragonfly specimens also contained the world’s smallest dragonfly known so far, with a body length of less than 15 millimeters.

The world's smallest dragonfly is less than 15 mm long

The dwarf red dragonfly belongs to the class Odonata, order Odonata, and the genus Red Dragonfly. There are only five species of the genus Red Dragonfly in the world, and the dwarf red dragonfly was discovered in 1842. It is the smallest form of the dragonfly family currently discovered by humans. When mature, the body length of male worms is 17mm, that of female worms is 16mm, and their wingspan is about 30mm. Mainly distributed in the tropical areas of southern China and Southeast Asia, it is a “dwarf” species among dragonflies.

The body length of the dwarf red dragonfly specimens collected in Sichuan this time is generally about 17 mm, and the shortest body length is less than 15 mm, which is significantly smaller than the populations in other regions. It is currently the smallest dragonfly individual in the world.

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