Next generation

August 16, 2017  •  Leave a Comment

Reproduction among invertebrates can take on many shapes and forms, a number of which fit into the, let us say, "don't try this at home" description. Nowhere is this more true than in the odonates—the dragonflies and damselflies—whose mating positions make those in the Kama Sutra seem downright commonplace... and would put humans attempting to duplicate the maneuvers in the emergency room. The same can be said about odonate strategies post-mating. While many dragonflies and damselflies simply fly over the water and dump their eggs like little bombs or hover and dip their abdomens beneath the surface, a group of odonates known as Spreadwings use a different, and amazingly gymnastic, technique. These pretty members of the damselfly congregation use a knifelike apparatus on the back end of their abdomens to slice into the stems of plants growing near the water. There, the moms will insert their eggs which, when the vegetation dies back, will find their way into the water. It works for Spreadwings, but I don't think the position will be finding its way into alternative childbirth methods any time soon.


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