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Dragonflies: the flight of the odonates

During the hot summer days of July and August, it is difficult not to walk by a pond, lake or river and not be able to spot at least a few dragonflies or damselflies chasing prey or each other in courtship. Bobbing and weaving, these insects put on an aerial display as they hover for a moment, then zoom away at speeds that may approach 40 mph.

Dragonflies and damselflies are being watched by professionals and amateurs alike, much in the same way that birds are watched by birdwatchers. These “odes” (short for odonate; dragonflies and damselflies are of the order Odonata) come in many color and size variations at different times of the summer as the various species emerge from larval stage and take flight.

Dragonfly watching is as simple as finding a comfortable spot to sit next to a pond and being patient as the dragonflies return to their normal behavior pattern. Dragonflies can be spotted and identified by eye alone, but close focusing binoculars will help when they perch further away.

A lot of field guides and resources are available for watching these fascinating insects. A good on-line resource can be found at odesforbeginners.com.

TRR photo by Scott Rando
This twelve-spotted skimmer, named for the multitude of spots on the wings, perches on the tip of a twig along the Delaware River. The wing markings make this dragonfly easy to identify. (Click for larger version)
TRR photo by Scott Rando
An autumn meadowhawk basks on a rock during October of last year. This dragonfly, named for its late emergence, was formerly known as the yellow-legged meadowhawk. (Click for larger version)