Humans don't really. Dragonflies reproduce at a fast enough rate. Of course, humans have been known to trap them, but they can bite as a way to get away. Dragonflies are very helpful arthropods, and humans would have to be pretty stupid to want to hurt the insects that eat mosquitoes and flies.
yes!
If you're asking what The Dragonfly Effect actually is, in essence it is the following:A dragonfly flaps its wings in the US. Due to the flap of its wings, there is a change in the movement of air. This then causes a hurricane in Australia.Basically, the Dragonfly Effect states that even a very small change somewhere can have a large, unpredictable effect elsewhere.
He discovered the "Dragonfly Effect". [[http://swchaostheory.wikia.com/wiki/The_Dragonfly_Effect]]
Dragonflys are not harmful that idiot lied they do bite to try to escape but are not harmful
They do not have effect on humans whatso ever.
On a Day to Day basis, Butterfly's have to worry about small birds, Spiders, Dragonfly's and Humans.
There would be no discernible physical effect on humans.
Tagalog translation of dragonfly: tutubi
Pygmy seahorses do not effect humans. They are not even close to a treat to them whatsoever
why is a dragonfly not a fly
a dragonfly is considered and insect because it has six legs
Both the butterfly and the dragonfly are insects, but the dragonfly is larger.