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Andrena Female (1)
Andrena Female (1)
Andrena Female (1)

Know Your Wild Bees Campaign - Andrena female ID...this group can dominate on blooming trees and shrubs in the spring, but smaller numbers occur in the Fall on our composites

Know Your Wild Bees Campaign - Andrena female ID...this group can dominate on blooming trees and shrubs in the spring, but smaller numbers occur in the Fall on our composites

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Andrena fenningeri, F, Back, Bowie, Maryland
Andrena fenningeri, F, Back, Bowie, Maryland
Andrena fenningeri, F, Back, Bowie, Maryland

A very early spring bee, covered in pollen, collected by a homeowner in Bowie, Maryland

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Andrena fenningeri, F, Face 2, Bowie, Maryland
Andrena fenningeri, F, Face 2, Bowie, Maryland
Andrena fenningeri, F, Face 2, Bowie, Maryland

A very early spring bee, covered in pollen, collected by a homeowner in Bowie, Maryland, often found on maples

A very early spring bee, covered in pollen, collected by a homeowner in Bowie, Maryland, often found on maples

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Andrena fenningeri, f, face, Pr. George's Co. MD
Andrena fenningeri, f, face, Pr. George's Co. MD
Andrena fenningeri, f, face, Pr. George's Co. MD

The head of Andrena fenningeri. A wee spring black mining bee that favors the pollen of Maple. Just one of the many little black things that are out in the spring on flowers that people pay no attention to. Found in the heart of suburbia: Bowie, Maryland. Photo by Wayne Boo.

The head of Andrena fenningeri. A wee spring black mining bee that favors the pollen of Maple. Just one of the many little black things that are out in the spring on flowers that people pay no attention to. Found in the heart of suburbia: Bowie, Maryland. Photo by Wayne Boo.

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Andrena fenningeri, F, Side, Bowie, Maryland
Andrena fenningeri, F, Side, Bowie, Maryland
Andrena fenningeri, F, Side, Bowie, Maryland

A very early spring bee, covered in pollen, collected by a homeowner in Bowie, Maryland

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Andrena fenningeri, M, Side, TN, Sevier County, Amber
Andrena fenningeri, M, Side, TN, Sevier County, Amber
Andrena fenningeri, M, Side, TN, Sevier County, Amber

From the Great Smoky Mountains of Tennessee comes Andrena fenningeri, one of the very early spring bees, often associated with red maple bloom. In this case a male. Amber Reese took the picture and Elizabeth Garcia did the shopping.

From the Great Smoky Mountains of Tennessee comes Andrena fenningeri, one of the very early spring bees, often associated with red maple bloom. In this case a male. Amber Reese took the picture and Elizabeth Garcia did the shopping.

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Andrena forbesii, f, back Maryland
Andrena forbesii, f, back Maryland
Andrena forbesii, f, back Maryland

Another member of the difficult to identify Trachandrena subgenus of Andrena. I think that I have the females sorted out (more or less) but the males...oi! This specimen from Maryland. Picture by Amanda Robinson.

Another member of the difficult to identify Trachandrena subgenus of Andrena. I think that I have the females sorted out (more or less) but the males...oi! This specimen from Maryland. Picture by Amanda Robinson.

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Andrena forbesii, f, face, Maryland
Andrena forbesii, f, face, Maryland
Andrena forbesii, f, face, Maryland

Another member of the difficult to identify Trachandrena subgenus of Andrena. I think that I have the females sorted out (more or less) but the males...oi! This specimen from Maryland. Picture by Amanda Robinson.

Another member of the difficult to identify Trachandrena subgenus of Andrena. I think that I have the females sorted out (more or less) but the males...oi! This specimen from Maryland. Picture by Amanda Robinson.

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Andrena forbesii, f, side, Maryland
Andrena forbesii, f, side, Maryland
Andrena forbesii, f, side, Maryland

Another member of the difficult to identify Trachandrena subgenus of Andrena. I think that I have the females sorted out (more or less) but the males...oi! This specimen from Maryland. Picture by Amanda Robinson.

Another member of the difficult to identify Trachandrena subgenus of Andrena. I think that I have the females sorted out (more or less) but the males...oi! This specimen from Maryland. Picture by Amanda Robinson.

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Andrena forbesii, Female, Back, Maryland
Andrena forbesii, Female, Back, Maryland
Andrena forbesii, Female, Back, Maryland

There are a group of bees in the genus Andrena that form a fairly distinct subgenus called Tracandrena. They are notorious for being difficult to separate out and, in particular, the males all look pretty much the same. I have created a little Excel spreadsheet that help separate out the females, if anyone is interested.

There are a group of bees in the genus Andrena that form a fairly distinct subgenus called Tracandrena. They are notorious for being difficult to separate out and, in particular, the males all look pretty much the same. I have created a little Excel spreadsheet that help separate out the females, if anyone is interested.

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Andrena forbesii, Female, Side, Maryland
Andrena forbesii, Female, Side, Maryland
Andrena forbesii, Female, Side, Maryland

Andrena forbesii from Maryland, thanks to Ann Simpkins for photoshopping

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Andrena fulvipennis, F, Back, MD
Andrena fulvipennis, F, Back, MD
Andrena fulvipennis, F, Back, MD

An odd, dark Andrena bee of deep sandy areas that comes out in the middle of summer

An odd, dark Andrena bee of deep sandy areas that comes out in the middle of summer

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Andrena fulvipennis, F, Face 1, MD
Andrena fulvipennis, F, Face 1, MD
Andrena fulvipennis, F, Face 1, MD

An odd, dark Andrena bee of deep sandy areas that comes out in the middle of summer

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Andrena fulvipennis, F, Side, MD
Andrena fulvipennis, F, Side, MD
Andrena fulvipennis, F, Side, MD

An odd, dark Andrena bee of deep sandy areas that comes out in the middle of summer

An odd, dark Andrena bee of deep sandy areas that comes out in the middle of summer

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Andrena fulvipennis, M, Back, MD, Anne Arundel County
Andrena fulvipennis, M, Back, MD, Anne Arundel County
Andrena fulvipennis, M, Back, MD, Anne Arundel County

Andrena fulvipennis "“ A very rare species this male was captured in an old sand pit in Anne Arundel County, Maryland. This species is only found in deep, permanently sandy locations. Picture taken by Brooke Alexander.

Andrena fulvipennis "“ A very rare species this male was captured in an old sand pit in Anne Arundel County, Maryland. This species is only found in deep, permanently sandy locations. Picture taken by Brooke Alexander.

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Andrena fulvipennis, M, end of abdomen, MD, Anne Arundel County
Andrena fulvipennis, M, end of abdomen, MD, Anne Arundel County
Andrena fulvipennis, M, end of abdomen, MD, Anne Arundel County

Andrena fulvipennis "“ A very rare species this male was captured in an old sand pit in Anne Arundel County, Maryland. This species is only found in deep, permanently sandy locations. Picture taken by Brooke Alexander.

Andrena fulvipennis "“ A very rare species this male was captured in an old sand pit in Anne Arundel County, Maryland. This species is only found in deep, permanently sandy locations. Picture taken by Brooke Alexander.

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Andrena fulvipennis, M, Face, MD, Anne Arundel County
Andrena fulvipennis, M, Face, MD, Anne Arundel County
Andrena fulvipennis, M, Face, MD, Anne Arundel County

Andrena fulvipennis "“ A very rare species this male was captured in an old sand pit in Anne Arundel County, Maryland. This species is only found in deep, permanently sandy locations. Picture taken by Brooke Alexander.

Andrena fulvipennis "“ A very rare species this male was captured in an old sand pit in Anne Arundel County, Maryland. This species is only found in deep, permanently sandy locations. Picture taken by Brooke Alexander.

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Andrena milwaukeensis, F, back, Hancock co., Brooklin
Andrena milwaukeensis, F, back, Hancock co., Brooklin
Andrena milwaukeensis, F, back, Hancock co., Brooklin

Another dark northern Andrena. This one also runs down the high elevations of the Rockies and the Appalachians. Collected in Hancock County, Maine and contibuted by Alison Dibble.

Another dark northern Andrena. This one also runs down the high elevations of the Rockies and the Appalachians. Collected in Hancock County, Maine and contibuted by Alison Dibble.