Brown Spiketail Cordulegaster bilineata Carle, 1983S3 (Watch list)  

Status:

Brown Spiketail (Cordulegaster bilineata) is found at small forested streams through the Piedmont and Western Shore of Maryland. There are no records from the Eastern Shore. This species is very closely related to the Delta-spotted Spiketail (Cordulegaster diastatops), and they may intergrade where ranges come into contact (Paulson, 2011). This uncommon species is ranked as S3 (watch list) in Maryland.

There are 51 records in the project database.

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A female Brown Spiketail in Howard Co., Maryland (6/14/2013). Photo by Bonnie Ott. (MBP list)

A Brown Spiketail in Harford Co., Maryland (5/25/2015). Photo by Rick Cheicante. (MBP list)

A Brown Spiketail in Howard Co., Maryland (5/31/2016). Photo by Bonnie Ott. (MBP list)

A Brown Spiketail in Anne Arundel Co., Maryland (6/3/2012). Maryland watch list (S3). Photo by Bill Hubick. (MBP list)

The abdominal pattern of a Brown Spiketail found in Anne Arundel Co., Maryland (6/3/2012). Photo by Jim Brighton. (MBP list)

A Brown Spiketail in Washington Co., Maryland (5/31/2014). First county record. Photo by Rick Borchelt. (MBP list)

A Brown Spiketail in Washington Co., Maryland (5/31/2014). First county record. Photo by Rick Borchelt. (MBP list)

A Brown Spiketail in Anne Arundel Co., Maryland (5/19/2012). Photo by Rod Burley. (MBP list)

Brown Spiketails in wheel in Howard Co., Maryland (5/31/2016). Photo by Bonnie Ott. (MBP list)

Brown Spiketails mating in St. Mary's Co., Maryland (5/17/2014). Photo by Bill Hubick. (MBP list)

A Brown Spiketail in Anne Arundel Co., Maryland (4/26/2018). Photo by Rick Borchelt. (MBP list)

A Brown Spiketail on Patuxent River Naval Air Station, Saint Mary's Co., Maryland (5/3/2012). Photo by Tony Leukering. (MBP list)

A Brown Spiketail in Howard Co., Maryland (5/28/2007). Photo by Nancy Magnusson. (MBP list)


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