Sonoma Mountain Ecology Notes

Celebrating and Caring for the Land

Mating Green Darners

Anax junius is one of the largest living dragonflies and common throughout North America, it’s known to migrate from the northern U.S. to Mexico and can also be found in the Caribbean, Tahiti and parts of Asia. Both females and males may mate with multiple individuals and deposit multiple batches of eggs in a season. The male clasps the back of the females neck with his cerci (appendages at the end of the abdomen) and if the females chooses…reaches up and grabs a packet of sperm from the male and lays her eggs on floating vegetation in bodies of fresh water. Hopefully there will still be water when the eggs hatch and larvae develop. (Click image for larger versions)

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