A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. ragonflies are predatory insects, both in their aquatic nymphal stage and as adults. They are fast, agile fliers capable of highly accurate aerial ambush, sometimes migrating across oceans, and often live near water. They have a uniquely complex mode of reproduction involving indirect insemination, delayed fertilization, and sperm competition. During mating, the male grasps the female at the back of the head, and the female curls her abdomen under her body to pick up sperm from the male's secondary genitalia at the front of his abdomen, forming the heart or wheel posture.

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