Both dragonflies and damselflies belong to order Odonata (which is sometimes refered to as dragonflies as well) and they are similar in many ways. They are flying carnivorous insects that have incomplete methamorphosis (egg -> nymph -> adult) and look a lot alike. They can be however, easily separated based on traits in which they differ.
How to separate dragonfly and damselfly?
Size and Shape: While damselflies are small and rearly 更多 than 4 cm (1,5 in) long and very thin, dragonflies are big (6+ cm 或者 更多 than 2 in) and massive. Dragonfly's thorax narrows to abdomen less noticeably...
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