Swallowtails
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Zebra Swallowtail Eurytides marcellus
Potomac River near lock 34
Washington County, Maryland
May 14, 2004
Photographer: Richard Orr
Potomac River near lock 34
Washington County, Maryland
May 14, 2004
Photographer: Richard Orr
Eastern Tiger Swallowtail Papilio glaucus
East Pond, Catoctin Mountains
Frederick County, Maryland
May 20, 2006
Photographer: Richard Orr
East Pond, Catoctin Mountains
Frederick County, Maryland
May 20, 2006
Photographer: Richard Orr
Spicebush Swallowtail Papilio troilus
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 10, 2008
Photographer: Richard Orr
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 10, 2008
Photographer: Richard Orr
Black Swallowtail (male) Papilio polyxenes
Assateague Island National Seashore
Worcester County, Maryland
May 21, 2009
Photographer: Richard Orr
Assateague Island National Seashore
Worcester County, Maryland
May 21, 2009
Photographer: Richard Orr
Eastern Tiger Swallowtail (Caterpillar) Papilio glaucus
Patapsco Valley State Park
Howard County, Maryland
August 26, 2010
Photographer: Richard Orr
Patapsco Valley State Park
Howard County, Maryland
August 26, 2010
Photographer: Richard Orr
Pipevine Swallowtail (female) Battus philenor
Manor Woods environs
Howard County, Maryland
July 1, 2011
Photographer: Richard Orr
Manor Woods environs
Howard County, Maryland
July 1, 2011
Photographer: Richard Orr
Eastern Tiger Swallowtail (female dark-morph) Papilio glaucus
Triadelphia Reservoir
Howard County, Maryland
July 29, 2011
Photographer: Richard Orr
Triadelphia Reservoir
Howard County, Maryland
July 29, 2011
Photographer: Richard Orr