Blue Dasher (Pachydiplax longipennis)

By Corey August 10, 2008 4 comments

On a recent birding outing around Forest Park the birds had made themselves scarce but the bugs were out in force.  So I made lemonade from lemons (maybe not the best metaphor when dealing with bugs) and focused my camera on the six-legged set, in particular on a Blue Dasher (Pachydiplax longipennis).  This particular dragonfly was kind enough to sit still, first on a dead stalk and then on the edge of a leaf.  I photographed him (and it is a him, one can tell by the two black streaks on the hind wings near their base) from every angle I could think of, and then did it again.

Blue Dasher

But how did I know that it is a Blue Dasher?  Well, the dark-tipped, pale blue abdomen was the first clue, followed by the white face and greenish eyes.  When I got close enough, the black and yellow striped thorax was the final clue.

Blue Dasher in profile

By the way, the black round things that are visible on the back end of the thorax are some kind of mite, and this dragonfly had them there and all over the underside of his tail.  That can’t be comfortable!

Blue Dasher

Blue Dashers have a long flight season, and are found in southern Canada, across the entire contintental United States except for the north-central area of the country, and, presumably, south into Mexico.  According to couple of sources online, in the spring Blue Dashers are larger and those that emerge later in the season are smaller.  And, despite the Latin “longipennis” in the scientific name these dragonflies are not particularly long-winged.

Blue Dasher

So get out there looking for Blue Dashers: you can find them wherever there is still water.  Enjoy!

Blue Dasher

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About the Author

Corey

Corey

Corey is a lifelong upstate New Yorker who recently took the plunge and moved to the city. He's only been birding since 2005 but has garnered a respectable life list and broke the magical 300 barrier in New York State in 2007 by birding whenever he wasn't working as a union representative. He lives near Forest Park in Queens with Daisy and their two indoor cats, Hunter and B.B.

4 Responses to “Blue Dasher (Pachydiplax longipennis)”

  1. That was one cooperative dragonfly. Really nice series of pictures and commentary.

  2. The last shot is especially cool!

  3. Thanks Louise and Patrick! I can’t believe how close it let me get…

  4. [...] Skippers at Forest Park By Corey • August 11, 2008 • 2 comments As I mentioned in my previous post the last visit I made to Forest Park was relatively birdless but the bugs did their best to make up [...]

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