Emeralds (Genera Epicordulia
            & Tetragoneuria)
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Common Baskettail (male)                                            Tetragoneuria cynosura
Patuxent Research Refuge
Anne Arundel County, Maryland
April 21, 1995
Photographer:  Richard Orr
Prince Baskettail                                                               Epicordulia princeps
Shenandoah River
Jefferson County, West Virginia
June 2, 2002
Photographer:  Richard Orr
Common Baskettail (male -- dark extreme)               Tetragoneuria cynosura
Jackson Lane Preserve (TNC)
Caroline County, Maryland
April 22, 2004    
Photographer:  Richard Orr              
Slender Baskettail  (male)                                               Tetragoneuria costalis
Patuxent Research Refuge
Anne Arundel County, Maryland
June 10, 2000
Photographer:  Richard Orr
Beaverpond Baskettail                                                     Tetragoneuria canis
Cranesville Bog
Preston County, West Virginia
June 11, 1996
Photographer:  Richard Orr
Robust Baskettail  (male)                                                Tetragoneuria spinosa
Patuxent Research Refuge
Prince George's County, Maryland
April 16, 1997
Photographer:  Richard Orr
Prince Baskettail                                                               Epicordulia princeps
Cunningham Falls State Park
Frederick, Maryland
July 28, 2007
Photographer: Richard Orr
Common Baskettail (male)                                            Tetragoneuria cynosura
Swamp near Mattowoman Creek
Charles County, Maryland
April 24, 2008
Photographer:  Richard Orr
Common Baskettail                                                          Tetragoneuria cynosura
Hunting Creek Lake
Frederick County, Maryland
May 23, 2008    
Photographer:  Richard Orr