Swarm Sunday: 3/29/2015 – 6/13/15

Dragonfly Swarm Project logo

The swarm activity has been rather slow over the last few months, so I’m combining a lot of dates into one report here rather than reporting just one or two swarms each week.  The following swarms have occurred between the end of May and today:

USA:

Goldstream, AK
Boulder, CO (2 swarms)
Homosassa, FL
Lexington, GA
Crystal Lake, IL
Bossier City, LA
Brownville, ME
Hugo, MN
St. Paul, MN
Spicer, MN
White Bear Township, MN
Bloomfield, MI
Bernardsville, NJ
Morris Plains, NJ
Greenville, NC
Lake Waccamaw, NC
Charleston, SC
Port Aransas, TX
Sheboygan, WI
Waupaca, WI

Thailand:

Sritanu, Ko Phangan

And here is the US map for the last month and a half:

3.30.15 to 6.13.15

Red pins are static swarms, yellow pins are migratory. Click the map to enlarge!

Most of the early activity, as in past years, has been static swarming.  Looks like most of the swarms have taken place near bodies of water so far this year, near large lakes and along coastal areas and largely east of the Mississippi River.  It will be interesting to see if more swarms occur inland once the season really starts to pick up, as has happened in past years, or if everything is different this year.  I suspect we’ll see more swarms inland over the next few months, the usual pattern, but only time will tell.

Now that the swarm season has really begun, I’ll start posting more often.  In the meantime, keep sending in those swarm reports!  Every one matters and helps explain what’s going on just a little more.

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Have you seen a dragonfly swarm? I am tracking swarms so I can learn more about this interesting behavior.  If you see one, I’d love to hear from you!  Please visit my Report a Dragonfly Swarm page to fill out the official report form.  It only takes a few minutes! Thanks!

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Want more information? Visit my dragonfly swarm information page for my entire collection of posts about dragonfly swarms!

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Unless otherwise stated, all text, images, and video are copyright © C. L. Goforth
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4 thoughts on “Swarm Sunday: 3/29/2015 – 6/13/15

  1. Los Banos, CA :: Things are dead here, dragonfly wise. We have seen one dragonfly so far this year. When we moved here six years ago they were everywhere. Even though we’re in a drought, there is plenty of standing water. This is an agricultural area so I wonder if pesticides may have a part in this decline. No mosquitoes, just ants and Paalmeto Beetles(?).

    Bob

    • Sad to hear that you have seen a decline in your dragonfly populations! California has had some interesting things show up lately (at least so far as I can tell from the dragonfly listservs I belong to), so I hope you’ll see more in the not too distant future!

  2. Swarms of fireflies every night we’ve gone walking in our neighborhood in southwest Denver. Beautiful…1st we’ve ever noticed anything like it. Will send photos/videos if we can get it. Deb

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