Blue Dragonfly tattoos are very popular. Blue dragonfly is very rare, and this kind of blue dragonfly is very beautiful and can be used to make specimens. Dragonflies are invertebrates. The base of the hind wing is slightly larger than the base of the front wing, and the wing veins are slightly different. At rest, the four wings are spread out and placed flat on both sides.
Dragonflies are carnivorous insects. They prey on flies, mosquitoes, leafhoppers, flies, midges and small butterfly moths and other agricultural, forestry and animal husbandry pests. Therefore, for humans, dragonflies are a beneficial insect.