Common blue damselflies (Enallagma cyathigerum) female dull green form mating wheel
Common darter dragonflies (Sympetrum striolatum) mating
Common blue damselflies (Enallagma cyathigerum) female dull green form mating wheel
Red-veined darters (Sympetrum fonscolombii) mating

These are common blue damselflies. What is going on?

A

This is how damselflies and dragonflies mate. The blue and red ones are the males. They stay joined for several minutes and can even fly together like this.