An Eastern Dobsonfly in Montgomery Co., Maryland (6/27/2013). Photo by Andy Martin. (MBP list)
A female Eastern Dobsonfly in Washington Co., Maryland (7/4/2010). Photo by Bob Cammarata. (MBP list)
An Eastern Dobsonfly in Baltimore Co., Maryland (7/12/2020). Photo by Dave Webb. (MBP list)
A male Eastern Dobsonfly in Washington Co., Maryland (7/3/2020). Photo by Mark Etheridge. (MBP list)
An Eastern Dobsonfly in Baltimore Co., Maryland (7/10/2014). Photo by Frode Jacobsen. (MBP list)
An Eastern Dobsonfly in Harford Co., Maryland (7/5/2020). Photo by Dave Webb. (MBP list)
Eastern Dobsonfly in Allegany Co., Maryland (6/18/2017). (c) Timothy Reichard, all rights reserved. Photo by Timothy Reichard. (MBP list)
An Eastern Dobsonfly in Cumberland, Maryland (7/3/2013). Photo by Matt Tillett. (MBP list)
An Eastern Dobsonfly in Cumberland, Maryland (7/3/2013). Photo by Matt Tillett. (MBP list)
An Eastern Dobsonfly in Frederick Co., Maryland (7/21/2014). Photo by Andy Wilson. (MBP list)
A male Eastern Dobsonfly in Washington Co., Maryland (7/9/2020). Photo by Mark Etheridge. (MBP list)
A male Eastern Dobsonfly in Baltimore Co., Maryland (7/4/2016). Determined by Ken Wolgemuth/BugGuide. Photo by Derek Hudgins. (MBP list)
A female Eastern Dobsonfly in Howard Co., Maryland (7/26/2020). Photo by Kurt Schwarz. (MBP list)
A female Eastern Dobsonfly in Harford Co., Maryland (7/3/2020). Photo by Dave Webb. (MBP list)
A female Eastern Dobsonfly in Washington Co., Maryland (7/9/2020). Photo by Mark Etheridge. (MBP list)
Eastern Dobsonfly in Allegany Co., Maryland (7/2/2017). (c) Timothy Reichard, all rights reserved. Photo by Timothy Reichard. (MBP list)
An Eastern Dobsonfly in Frederick Co., Maryland (6/29/2014). Photo by Mikey Lutmerding. (MBP list)
An Eastern Dobsonfly larva in Montgomery Co., Maryland (6/1/2018). Photo by Joe Hanfman. (MBP list)
An emerging Eastern Dobsonfly in Allegany Co., Maryland (6/17/2012). Photo by Bonnie Ott. (MBP list)
An Eastern Dobsonfly larva in Calvert Co., Maryland (11/6/2017). First county record for MBP documented by Calvert Middle School students! Photo by Tom Harten. (MBP list)
An Eastern Dobsonfly larva in Calvert Co., Maryland (3/28/2019). Photo by Ben Springer. (MBP list)
The larvae of an Eastern Dobsonfly in Allegany Co., Maryland (9/5/2009). Eastern Dobsonfly larvae are called Hellgrammites. Photo by Jim Brighton. (MBP list)
Eastern Dobsonfly larvae in Montgomery Co., Maryland (5/31/2016). Photo by Tim Friedlander. (MBP list)
An Eastern Dobsonfly wing found in Howard Co., Maryland (7/28/2016). Photo by Bill Hubick. (MBP list)
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Synonyms: Hellgrammite.
