Spiketails
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Brown Spiketail (adult)                                           Cordulegaster bilineata
Cove Point
Calvert County, Maryland
May 29, 2005
Photographer:  Richard Orr
Brown Spiketail  (larva)                                          Cordulegaster bilineata
Cove Point
Calvert County, Maryland
March 19, 2005
Photographer:  Richard Orr
Twin-Spotted Spiketail (larva)                              Cordulegaster maculata
Cove Point
Calvert County, Maryland
March 19, 2005
Photographer:  Richard Orr
Tiger Spiketail (adult male)                                   Cordulegaster erronea
Rock Creek Park
Washington D.C.
July 11, 2004
Photographer:  Richard Orr
Tiger Spiketail (male-face)                                    Cordulegaster erronea
Rock Creek Park
Washington D.C.
July 11, 2004
Photographer:  Richard Orr
Delta-spotted Spiketail (adult)                              Cordulegaster diastatops
Cranesville Bog
Preston County, West Virginia
June 14, 1997
Photographer:  Richard Orr
Twin-spotted Spiketail (adult-male)                    Cordulegaster maculata
Patuxent Research Refuge
Prince George's County, Maryland
May 11, 1997
Photographer:  Richard Orr
Arrowhead Spiketail (adult male)                        Cordulegaster obliqua
Patuxent Research Refuge
Prince George's County, Maryland
June 18, 1994
Photographer:  Richard Orr
Tiger Spiketail (larva)                                             Cordulegaster erronea
Bear Branch, Sugarloaf Mountain
Frederick County, Maryland
March 31, 2007
Photographer:  Richard Orr
Arrowhead Spiketail (larva)                                  Cordulegaster obliqua
Mattawoman Creek
Charles County, Maryland
February 5, 2008
Photographer:  Richard Orr
Brown Spiketail (face of male)                             Cordulegaster bilineata
Old Woman Run
Charles County, Maryland
April 19, 2008
Photographer:  Richard Orr