Swarm Sunday – 9/4/11 – 9/10/2011

dragonfly swarm banner

Lots of swarms again this week!  The dragonflies still seem to be centered over Ohio and Pennsylvania (check out Pittsburgh – 12 swarms!), but there are new, strong populations cropping up in Virginia and West Virginia too.  I think I only got one report from West Virginia last year, so this is exciting.  I’m starting to wonder if this East Coast activity is related to Irene.  I know Pennsylvania got flooding when Irene hit.  Anyone know if West Virginia is experiencing Irene-induced flooding too?  My curiosity prompted me to add another field to the swarm report form so people can described flooding events that have occurred around the time of their swarms.  Can’t believe I didn’t think to add it before!

Swarms occurred in the following locations over the last week:

USA:

Potwin, KS
Mount Union, PA
East Brady, PA (3 swarms)
New Bethlehem, PA (2 swarms)
Ray Brook, NY
Perrysville, OH
Templeton, PA
Akron, OH
Boonville, NY
Martinsburg, WV
Meadville, PA
Scranton, PA
Whiteland, IN
Pittsburgh, PA (12 swarms)
Steubenville, OH
Nashville, IN (2 swarms)
Columbus, OH
Gerrardstown, WV
Hopkinton, NH
Poland, NY
Wheeling, WV
North Braddock, PA
Franklin, WV
Port Trevorton, PA
New Tripoli, PA
Mt. Jackson, VA
Worthington, OH (3 swarms)
Hilliard, OH
Poughkeepsie, NY
Pataskala, OH
Punxsutawney, PA (2 swarms)
Russell, PA
Greenville, PA
Amarillo, TX
Urbandale, IA
Wallback, WV
Fairfield, PA
Loudonville, OH
Manhattan, IL
Lyonsdale, NY
Wabasso, FL
Andover, NY
near Sadieville , KY
Vero Beach, FL
Ossipee, NH
Bloomington, IN
Lockport, NY
Brookhaven, PA
Bedford, OH
Rhinebeck, NY
Wilmington, DE
Savannah, GA
Fairless Hills, PA
Staunton,VA
Avalon, PA
Croton on Hudson, NY
Houston, TX
Elizabeth, PA
Greensburg, PA (2 swarms)
Aliquippa, PA
Babylon, NY
New York City, NY (2 swarms)
Short Gap, WV
Clarksburg, WV
Allentown, PA
Floral Park, NY
New Castle, VA
Findlay Township, PA
Forbes Road, PA
New Midway, MD
Great River, NY
Tupelo, MI
West Babylon, NY
Lake Milton, OH
Queens, NY
California, PA
Saltillo, PA
Bellefontaine, OH
Alliance, OH
Charleston, WV
Los Lunas, NM
Bloomington, IN
Elizabethtown, PA
Cumberland, MD
Great Cacapon, WV
Carlisle, PA
Timberville, VA
Waynesboro, VA
Felton, PA
McConnellsburg, PA (2 swarms)
Appomattox, VA
Bedford, PA
Yeagertown, PA
Princeton, NJ
Fortescue, NJ
Williamsburg, PA
York, PA
Warrenton, VA
Chambersburg, PA
Dublin Mills, PA
James Creek, PA
Bremen, OH
West Chester, OH

Canada:

Oakville, ON (2 swarms)
Mississauga, ON

You know what I find interesting about this data?  I got 70 reports Sunday-Thursday, an average of 14 reports per day.  Then the weekend hit and I suddenly got 60 reports in two days, an average of 30 reports per day – double the weekday reporting average!  It would seem that people tend to see more dragonfly swarms on nights where they can relax and don’t have to go to work the next morning.  Fascinating!

The dragonfly swarming season lasts about 3 more weeks, so keep the reports coming!

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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 © TheDragonflyWoman.com

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One thought on “Swarm Sunday – 9/4/11 – 9/10/2011

  1. I experienced a swarm of 200 or more large dragonflies on September 11, while mowing my lawn in Frederick Md. Shortly before I finished mowing, we did have a rain shower. I thought perhaps my mothers spirit was paying a visit as I have never wittnessed anything like this before. It was awsome.

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