Robber Flies (Asilidae)
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Asilidae                              Laphria thoracica                           Robber Fly
Catoctin Mountain Park
Frederick County, Maryland
June 7, 2009
Photographer:  Richard Orr
Asilidae                              Laphria sericea                              Robber Fly
Little Island Pond, Catoctin Mountains
Frederick County, Maryland
June 11, 2006
Photographer:  Richard Orr
Asilidae                               Efferia sp. (male)                            Robber Fly
Assateague Island National Seashore
Worcester County, Maryland
June 6, 2007
Photographer:  ZoAnn Lapinsky                                              
Asilidae                               Efferia sp. (female)                       Robber Fly
Muscidae (being eaten)  
Stomoxys calcitrans                    Stable Fly
Assateague Island National Seashore
Worcester County, Maryland
June 6, 2007
Photographer:  ZoAnn Lapinsky                                             
Asilidae                               Efferia aestuans (male)               Robber Fly
Syrphidae (being eaten)
Ocyptamus fascipennis               Syrphid Fly
Mt. Pleasant
Howard County, Maryland
August 11, 2007
Photographer:  Richard Orr
Asilidae (mating)              Promachus rufipes                        Robber Fly
Old Womans Run
Charles County, Maryland
August 31, 2008
Photographer:  Richard Orr
Asilidae                              Laphria affinus                                 Robber Fly
Piney Branch Bog environs
Charles County, Maryland
September 19, 2008
Photographer:  Richard Orr
Asilidae                              Laphria sericea/aktis complex   Robber Fly
Catoctin Mountain National Park
Frederick County, Maryland
May 24, 2009
Photographer:  Richard Orr
Asilidae                              Diogmites neoternatus                 Hanging Thief
Cove Point LNG Property
Calvert County, Maryland
July 24, 2011
Photographer:  Richard Orr   
Asilidae                               Holocephala sp.                             Gnat-Orc
Rockburn Branch Park
Howard County, Maryland
July 19, 2012
Photographer:  Richard Orr
Asilidae                              Laphria flavicollis                            Robber Fly
Eating a Hydrophorus (Dolichopodidae) fly
C&O Canal at Town Creek, Allegany County, Maryland
May 18, 2014
Photographer:  Richard Orr
Asilidae                              Laphria virginica                              Bee-like Robber Fly
Soldier's Delight
Baltimore County, Maryland
May 5, 2015
Photographer:  Richard Orr