True Flies (Brachycera - 2)
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Ragionidae                        Chrysopilus thoracicus                       Gold-backed Snipe Fly
Catoctin Mountain National Park
Frederick County, Maryland
May 24, 2009
Photographer:  Richard Orr
Conopidae                         Physocephala tibialis                             Thick-headed Fly
on Goldenrod at FBI Pond
Frederick County, Maryland
August 30, 2007
Photographer:  Richard Orr                       
Empididae                                                                                               Dance Flies
On shaded wet rocks in Hauver Branch
Cunningham Falls State Park
Frederick County, Maryland
May 27, 2007
Photographer:  Richard Orr
Tabanidae                          Tabanus atratus atratus                        Horse Fly
Assateague Island National Seashore
Worcester County, Maryland
September 21, 2006
Photographer:  Richard Orr
Tabanidae                          Tabanus melanocerus                            Horse Fly
Araby Magnolia Bog
Charles County, Maryland
August 5, 2009
Photographer:  Richard Orr
Agromyzidae                     Phytomyza ilicicola                                 Holly Leaf Miner Fly
Trails in Holly Leaf
Triadelphia Reservoir, Howard County, Maryland
November 21, 2009
Photographer:  Richard Orr
Scathophagidae               Scathophaga stercoraria                       Golden Dung Fly
University of Maryland Central Farm
Howard County, Maryland
April 11, 2010
Photographer:  Richard Orr
Micropezidae                    Taeniaptera trivittata                    Stilt-Legged Fly
Assateague Island National Seashore
Worcester County, Maryland
June 8, 2007
Photographer:  ZoAnn Lapinsky                                                                                        
Mydidae                              Mydas tibials                                  Midas Fly
Little Patuxent River, Patuxent Research Refuge
Anne Arundel County, Maryland
August 13, 2006
Photographer:  Richard Orr
Tabanidae                         Tabanus aranti (female & eggs)            Horse Fly
Patuxent Research Refuge
Anne Arundel County, Maryland
June 14, 2010
Photographer:  Richard Orr
Sarcophagidae                 Sarcophaga haemorrhoidalis     Flesh Fly
on Dog Bane
Assateague Island National Seashore
Worcester County, Maryland
June 16, 2006
Photographer:  Richard Orr
Calliphoridae                     Lucilia sericata                                Blow Fly
Wilde Lake environs
Howard County, Maryland
September 26, 2008
Photographer:  Richard Orr
Sarcophagidae                Cistudinomyia cistudnis                Turtle Warble Fly
Warble on Box Turtle
Soldier's Delight
Baltimore County, Maryland
29-May-2010
Photographer:  Richard Orr
Sciomyzidae                     Euthycera arcuata                           Marsh Fly
Patapsco Valley State Park
Howard County, Maryland
June 18, 2011
Photographer:  Richard Orr
Bombyliidae                       Exoprosopa sp.                              Bee Fly
Assateague Island National Seashore
Worcester County, Maryland
September 6, 2007
Photographer:  Richard Orr
Bombyliidae                       Systoechus sp.                              Bee Fly
Piney Branch Bog environs
Charles County, Maryland
September 19, 2008
Photographer:  Richard Orr
Bombyliidae                       Bombylius incanus                        Bee Fly
Patuxent Research Refuge
Prince George's County, Maryland
June 2, 2009
Photographer:  Richard Orr
Bombyliidae                      Bombylius major                             Bee Fly
Middle Patuxent Environmental Area
Howard County, Maryland
April 25, 2011
Photographer:  Richard Orr