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USGS Bee Lab at the Eastern Ecological Science Center images.

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Megachile petulans, M, face, Dorchester Co, MD
Megachile petulans, M, face, Dorchester Co, MD
Megachile petulans, M, face, Dorchester Co, MD

A southern bee that just barely gets up into the upper coastal plain of North America. This specimen comes from Blackwater National Wildlife Refuge where it found its way tot their lovely pollinator garden. In that same garden its nest parasite, Coelioxys germana provided Maryland's first specimen record. Photography by Wayne Boo.

A southern bee that just barely gets up into the upper coastal plain of North America. This specimen comes from Blackwater National Wildlife Refuge where it found its way tot their lovely pollinator garden. In that same garden its nest parasite, Coelioxys germana provided Maryland's first specimen record. Photography by Wayne Boo.

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Megachile policaris, side, chambers co, Texas
Megachile policaris, side, chambers co, Texas
Megachile policaris, side, chambers co, Texas

More Leaf-cutters from South Texas from my recent trip. Here is Megachile policaris. Big, found on Sunflowers alone roadsides, Note the big cutting tooth on its mandibles used to cut leaves to line its nests. A particularly trim species with nice sharp lines of bright white hairs along the rims of the abdomen.

More Leaf-cutters from South Texas from my recent trip. Here is Megachile policaris. Big, found on Sunflowers alone roadsides, Note the big cutting tooth on its mandibles used to cut leaves to line its nests. A particularly trim species with nice sharp lines of bright white hairs along the rims of the abdomen.

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Megachile pruina, f, charlotte county, fl, face
Megachile pruina, f, charlotte county, fl, face
Megachile pruina, f, charlotte county, fl, face

What a lovely leaf-cutter from the coastal dunes of Florida. I particularly like the stubtle metallic glints on the top of the abdomen. What a fantastic finish this would make to tricky out your yet black car. This species was collected by Anthony Abbate as part of his ongoing survey of Dune bee species. How vulnerable are these bees to sea level rise?

What a lovely leaf-cutter from the coastal dunes of Florida. I particularly like the stubtle metallic glints on the top of the abdomen. What a fantastic finish this would make to tricky out your yet black car. This species was collected by Anthony Abbate as part of his ongoing survey of Dune bee species. How vulnerable are these bees to sea level rise?

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Megachile pseudobrevis, female, face
Megachile pseudobrevis, female, face
Megachile pseudobrevis, female, face

Fort Mantanzas National Monument has Megachile pseudobrevis living in it. How nice that National Monuments now become sanctuaries for bees and Nature while we continue to tame to death the rest of the world. Photography by Miss Sierra Williams.

Fort Mantanzas National Monument has Megachile pseudobrevis living in it. How nice that National Monuments now become sanctuaries for bees and Nature while we continue to tame to death the rest of the world. Photography by Miss Sierra Williams.

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Megachile pseudobrevis, female, side
Megachile pseudobrevis, female, side
Megachile pseudobrevis, female, side

Fort Mantanzas National Monument has Megachile pseudobrevis living in it. How nice that National Monuments now become sanctuaries for bees and Nature while we continue to tame to death the rest of the world. Photography by Miss Sierra Williams.

Fort Mantanzas National Monument has Megachile pseudobrevis living in it. How nice that National Monuments now become sanctuaries for bees and Nature while we continue to tame to death the rest of the world. Photography by Miss Sierra Williams.

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Megachile pugnata, f, side, National Arboretum, DC
Megachile pugnata, f, side, National Arboretum, DC
Megachile pugnata, f, side, National Arboretum, DC

The magnificent mandibled Megachile pugnata. Look how long and wide those mandibles are. Its not clear to me why this species requires much longer mandibles than others, it appears to not be cutting out larger pieces of leaves for its nests, but perhaps it is the type, processing and location of the leaf material that is important.

The magnificent mandibled Megachile pugnata. Look how long and wide those mandibles are. Its not clear to me why this species requires much longer mandibles than others, it appears to not be cutting out larger pieces of leaves for its nests, but perhaps it is the type, processing and location of the leaf material that is important.

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Megachile pugnata, m, face, Hardy Co., WV
Megachile pugnata, m, face, Hardy Co., WV
Megachile pugnata, m, face, Hardy Co., WV

Some rather bad pictures of M. pugnata males. Not sure why I selected this specimen. Terrible hair. But, anyway check out the large expanded front tarsi. Will have to get additional specimens. Collected in WV by Dave Smith who had fabulous numbers of specimens in malaise samples. Still going through them after 10 years.

Some rather bad pictures of M. pugnata males. Not sure why I selected this specimen. Terrible hair. But, anyway check out the large expanded front tarsi. Will have to get additional specimens. Collected in WV by Dave Smith who had fabulous numbers of specimens in malaise samples. Still going through them after 10 years.

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Megachile relativa, 420668, Garett co, Side
Megachile relativa, 420668, Garett co, Side
Megachile relativa, 420668, Garett co, Side

Megachile relativa, a relativa (get it?) common species in northern parts of North America. The orangish pollen carrying hairs under the abdomen are uncommon and therefore useful when sussing out this species.

Megachile relativa, a relativa (get it?) common species in northern parts of North America. The orangish pollen carrying hairs under the abdomen are uncommon and therefore useful when sussing out this species.

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Megachile relativa, female, back, Mariposa, Ca, 2017-07-13-16.10
Megachile relativa, female, back, Mariposa, Ca, 2017-07-13-16.10
Megachile relativa, female, back, Mariposa, Ca, 2017-07-13-16.10

Megachile relativa. Pretty ubiquitous in North America though it appears to be absent from most of the Midwest. The orange pollen carrying hairs on the underside of the abdomen narrow things down in terms of the various Megachile species, bug there are a few species that look very similar....particularly the introduced Megachile centuncularis.

Megachile relativa. Pretty ubiquitous in North America though it appears to be absent from most of the Midwest. The orange pollen carrying hairs on the underside of the abdomen narrow things down in terms of the various Megachile species, bug there are a few species that look very similar....particularly the introduced Megachile centuncularis.

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Megachile relativa, female, face, Mariposa, Ca, 2017-07-13-16.25
Megachile relativa, female, face, Mariposa, Ca, 2017-07-13-16.25
Megachile relativa, female, face, Mariposa, Ca, 2017-07-13-16.25

Megachile relativa. Pretty ubiquitous in North America though it appears to be absent from most of the Midwest. The orange pollen carrying hairs on the underside of the abdomen narrow things down in terms of the various Megachile species, bug there are a few species that look very similar....particularly the introduced Megachile centuncularis.

Megachile relativa. Pretty ubiquitous in North America though it appears to be absent from most of the Midwest. The orange pollen carrying hairs on the underside of the abdomen narrow things down in terms of the various Megachile species, bug there are a few species that look very similar....particularly the introduced Megachile centuncularis.

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Megachile rotundata, F, Face, MD, Cecil County
Megachile rotundata, F, Face, MD, Cecil County
Megachile rotundata, F, Face, MD, Cecil County

A purposefully introduced bee, used, at times, in the pollination of alfalfa and other crops, but now widely naturalized and can be found throughout North America, particularly in urban or disturbed areas. Collected by Tim McMahon in Cecil County Maryland and photographed by Brooke Alexander

A purposefully introduced bee, used, at times, in the pollination of alfalfa and other crops, but now widely naturalized and can be found throughout North America, particularly in urban or disturbed areas. Collected by Tim McMahon in Cecil County Maryland and photographed by Brooke Alexander

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Megachile rotundata, F, Side, MD, Cecil County
Megachile rotundata, F, Side, MD, Cecil County
Megachile rotundata, F, Side, MD, Cecil County

A purposefully introduced bee, used, at times, in the pollination of alfalfa and other crops, but now widely naturalized and can be found throughout North America, particularly in urban or disturbed areas. Collected by Tim McMahon in Cecil County Maryland and photographed by Brooke Alexander

A purposefully introduced bee, used, at times, in the pollination of alfalfa and other crops, but now widely naturalized and can be found throughout North America, particularly in urban or disturbed areas. Collected by Tim McMahon in Cecil County Maryland and photographed by Brooke Alexander

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Megachile rotundata, male, face
Megachile rotundata, male, face
Megachile rotundata, male, face

Another shot, and a rather charming one I think, of a male Megachile rotundata. Sierra Williams took the picture and Elizabeth Garcia did the Shopping. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

Another shot, and a rather charming one I think, of a male Megachile rotundata. Sierra Williams took the picture and Elizabeth Garcia did the Shopping. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

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Megachile rubi, M, Back, NC, Moore County
Megachile rubi, M, Back, NC, Moore County
Megachile rubi, M, Back, NC, Moore County

Collected by Heather Campbell in the sandhils of North Caroline (Moore County) here is a relatively uncommon bee of the sandy areas of the Deep South. Picture by Colby Francouer. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

Collected by Heather Campbell in the sandhils of North Caroline (Moore County) here is a relatively uncommon bee of the sandy areas of the Deep South. Picture by Colby Francouer. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

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Megachile rubi, M, Side, NC, Moore County
Megachile rubi, M, Side, NC, Moore County
Megachile rubi, M, Side, NC, Moore County

A interesting leaf-cutting bee, largely restricted to the heavy sand regions of the coastal plains of the Carolinas down to Florida, quite a number of other species have simliar distributions with deep sand being a linking factor. Collected by Heather Campbell and photographed by Colby Francoeur

A interesting leaf-cutting bee, largely restricted to the heavy sand regions of the coastal plains of the Carolinas down to Florida, quite a number of other species have simliar distributions with deep sand being a linking factor. Collected by Heather Campbell and photographed by Colby Francoeur

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Megachile rubi,M,Back,NC,Moore County
Megachile rubi,M,Back,NC,Moore County
Megachile rubi,M,Back,NC,Moore County

A interesting leaf-cutting bee, largely restricted to the heavy sand regions of the coastal plains of the Carolinas down to Florida, quite a number of other species have simliar distributions with deep sand being a linking factor. Collected by Heather Campbell and photographed by Colby Francoeur

A interesting leaf-cutting bee, largely restricted to the heavy sand regions of the coastal plains of the Carolinas down to Florida, quite a number of other species have simliar distributions with deep sand being a linking factor. Collected by Heather Campbell and photographed by Colby Francoeur

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Megachile rubi,M,Face,NC,Moore County
Megachile rubi,M,Face,NC,Moore County
Megachile rubi,M,Face,NC,Moore County

A interesting leaf-cutting bee, largely restricted to the heavy sand regions of the coastal plains of the Carolinas down to Florida, quite a number of other species have simliar distributions with deep sand being a linking factor. Collected by Heather Campbell and photographed by Colby Francoeur

A interesting leaf-cutting bee, largely restricted to the heavy sand regions of the coastal plains of the Carolinas down to Florida, quite a number of other species have simliar distributions with deep sand being a linking factor. Collected by Heather Campbell and photographed by Colby Francoeur

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Megachile sculpturalis, f, back, md, kent county
Megachile sculpturalis, f, back, md, kent county
Megachile sculpturalis, f, back, md, kent county

Magnificent, though invasive. This bee originates in the South China, Korea, Japan part of the world, where it happily feeds its babies pollen from leguminous plants, particularly woody ones, including Kudzu vine. It has been introduced into North America now and spread as far as Colorado, likely will go all the way to the West Coast.

Magnificent, though invasive. This bee originates in the South China, Korea, Japan part of the world, where it happily feeds its babies pollen from leguminous plants, particularly woody ones, including Kudzu vine. It has been introduced into North America now and spread as far as Colorado, likely will go all the way to the West Coast.

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