Bees
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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                                           Trailscapes Photography
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