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                                                 Trailscapes Photography        
                                       
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