Bees - 1
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Apidae                  Xylocopa virginica                                  Eastern Carpenter Bee
on Opuntia compressa flower
Assateague Island National Seashore
Worcester County, Maryland
June 13, 2006
Photographer:  Richard Orr
Apidae                  Bombus impatiens                                  Bumble Bee
on Musk Thistle with beetle (Typocerus velutinus)
East Pond, Catoctin Mountains
Frederick County, Maryland
July 8, 2006
Photographer:  Richard Orr
Megachilidae     Megachile xylocopoides (male)
Assateague Island National Seashore
Worcester County, Maryland
June 12, 2006
Photographer:  Richard Orr
Apidae                  Apis mellifera                                             Honey Bee
Beltsville Agricultural Research Center
Prince Gorge's County, Maryland
April 19, 2007
Photographer:  Richard Orr   
Megachilidae      Megachile sculpturalis
Assateague Island National Seashore
Worcester County, Maryland
June 11, 2007
Photographer:  ZoAnn Lapinsky                                         
Apidae                  Ceratina sp.                                              Small Carpenter Bee
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 2, 2008
Photographer:  Richard Orr
Megachilidae      Megachile sp.
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 2, 2008
Photographer:  Richard Orr
Megachilidae      Anthidium manicatum (female)           Wool Carder Bee
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 2, 2008
Photographer:  Richard Orr
Apidae                 Bombus griseocollis (queen)                Bumble Bee
Over Apple Tree
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
April 26, 2009
Photographer:  Richard Orr
Apidae                 Xylocopa virginica (male)                      Eastern Carpenter Bee
defending territory
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
May 8, 2009
Photographer:  Richard Orr
Apidae                 Nomada sp.                                                Cuckoo Bee
Parasitic on Andrenid Bees
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 2, 2008
Photographer:  Richard Orr
Apidae                 Bombus fervidus                                       Bumble Bee
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 12, 2009
Photographer:  Richard Orr
Apidae                 Bombus perpleux (male)                         Bumble Bee
Catoctin Mountain Park
on Bull Thistle
Cirsium vulgare
Frederick County, Maryland
July 17, 2009
Photographer:  Richard Orr
Apidae                  Svastra perplexus (female)
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 12, 2009
Photographer:  Richard Orr
Apidae                Triepeolus remigatus (female)
Parasitic on Melissodes Bees
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 16, 2009
Photographer:  Richard Orr
Apidae                 Melissodes bimaculata (female)
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 12, 2009
Photographer:  Richard Orr
Apidae                 Melissodes dentiventris (female)
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 16, 2009
Photographer:  Richard Orr
Apidae                  Holcopasites calliopsidis (male)
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 23, 2009
Photographer:  Richard Orr
Megachilidae     Coelioxys dolichos
Nest Parasite on Megachile xylocopoides
Assateague Island National Seashore
Worcester County, Maryland
June 13, 2006
Photographer:  Richard Orr
Apidae                 Peponapis prunosa (female)                 Squash Bee
Middle Patuxent Environmental Area
Howard County, Maryland
August 2, 2010
Photographer:  Richard Orr
Megachilidae      Anthidiellum notatum
Elkhorn Lake Powerline Right-of-Way
Howard County, Maryland
August 10, 2010
Photographer:  Richard Orr
Megachilidae     Osmia sp.
Middle Patuxent Environmental Area
Howard County, Maryland
April 25, 2011
Photographer:  Richard Orr
Apidae                 Bombus bimaculatus                               Bumble Bee
on Wild Rose
Catoctin Mountain Park
Frederick County, Maryland
May 26, 2012
Photographer:  R. Orr
Megachilidae      Coelioxys sayi
Nest Parasite on Megachile bees
Mt. Pleasant, Howard County Conservancy
August 4, 2013
Photographer:  Richard Orr
Apidae                 Melissodes denticulata
on Ironweed
Lake Elkhorn Environs
Howard County, Maryland
August 16, 2015
Photographer:  Richard Orr