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Eastern Ecological Science Center images.

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Allium tricoccum 2, Ramps, flower, GFG, Howard County, Md, Helen Lowe Metzman
Allium tricoccum 2, Ramps, flower, GFG, Howard County, Md, Helen Lowe Metzman
Allium tricoccum 2, Ramps, flower, GFG, Howard County, Md, Helen Lowe Metzman

Ramps. Allium tricoccum. Things in the onion group can be good pollen sources for bees. Ramps are no exception. Specimen and photo by Helen Lowe Metzman.

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Alocandrena porteri, f, side, peru
Alocandrena porteri, f, side, peru
Alocandrena porteri, f, side, peru

A pollinator of wild relatives of tomatoes, this species will alight upon and then vibrate tomato flowers using its wing muscles. These plants have cleverly hidden their pollen in tubular anthers that are primarily released when buzzed by bees at a certain frequency.

A pollinator of wild relatives of tomatoes, this species will alight upon and then vibrate tomato flowers using its wing muscles. These plants have cleverly hidden their pollen in tubular anthers that are primarily released when buzzed by bees at a certain frequency.

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amegilla, m, side, india
amegilla, m, side, india
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Andrena milwaukeensis, F, Back, WVA
Andrena milwaukeensis, F, Back, WVA
Andrena milwaukeensis, F, Back, WVA

A couple of so so pictures of Andrena milwaukeensis. Check out the tiny dark hairs in the facial fovea.. Photo by Dejen Mengis

A couple of so so pictures of Andrena milwaukeensis. Check out the tiny dark hairs in the facial fovea.. Photo by Dejen Mengis

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Andrena miranda, female, face
Andrena miranda, female, face
Andrena miranda, female, face

A bee (Andrena morrisonella) that may or may not be the same species as A. imitatrix.

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Andrena nasonii, back, MaLisa Spring (Special wings)
Andrena nasonii, back, MaLisa Spring (Special wings)
Andrena nasonii, back, MaLisa Spring (Special wings)

Ugly Bee...For sure, but an interesting one. Brooke Goggins took this one on a grayish background to highlight the wings of this Andrena nasonii. This specimen was collected by Gabriel Karns as part of a study of rights of way in eastern Ohio. We noticed that it has some funny vein business going on.

Ugly Bee...For sure, but an interesting one. Brooke Goggins took this one on a grayish background to highlight the wings of this Andrena nasonii. This specimen was collected by Gabriel Karns as part of a study of rights of way in eastern Ohio. We noticed that it has some funny vein business going on.

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Andrena nasonii, m, back, Pr. George's, MD
Andrena nasonii, m, back, Pr. George's, MD
Andrena nasonii, m, back, Pr. George's, MD

Andrena nasonii. In this case a male, one of the least distinguishable species there is, but fortunately very common and so there are small and differences between the species and others that together allows us to recognize it when plowing through thousands of them. Picture taken by Sierra Williams.

Andrena nasonii. In this case a male, one of the least distinguishable species there is, but fortunately very common and so there are small and differences between the species and others that together allows us to recognize it when plowing through thousands of them. Picture taken by Sierra Williams.

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Andrena nasonii, M, side, New York, Kings County
Andrena nasonii, M, side, New York, Kings County
Andrena nasonii, M, side, New York, Kings County

An abundant Andrena, often found in lawns and disturbed field like situations. The males are as generic as they come but have a tiny point coming out of their integument on either side of the underside of their thorax. Thank goodness. Photographer ...

An abundant Andrena, often found in lawns and disturbed field like situations. The males are as generic as they come but have a tiny point coming out of their integument on either side of the underside of their thorax. Thank goodness. Photographer ...

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Andrena nebecula, M, Face, ME, Hancock County, Winter Harbor, Schoodic Point
Andrena nebecula, M, Face, ME, Hancock County, Winter Harbor, Schoodic Point
Andrena nebecula, M, Face, ME, Hancock County, Winter Harbor, Schoodic Point

From Acadia National Park in Maine, this is one of but a few Andrena that come out in the Fall. Brooke Alexander was the photographer.Canon Mark II 5D, Zerene Stacker, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

From Acadia National Park in Maine, this is one of but a few Andrena that come out in the Fall. Brooke Alexander was the photographer.Canon Mark II 5D, Zerene Stacker, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

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Andrena spiraeana, f, back, Prince George's Co, MD
Andrena spiraeana, f, back, Prince George's Co, MD
Andrena spiraeana, f, back, Prince George's Co, MD

Andrena spiraeana is one of the set of bees in the Andrena subgenus Trachandrena. One of the characteristics of this relatively distinctive group are the deeply impressed fovea between the compound eyes and the antennae. A spring bee, I associate this species with wooded wetlands...but I may be simply mistaken on that account.

Andrena spiraeana is one of the set of bees in the Andrena subgenus Trachandrena. One of the characteristics of this relatively distinctive group are the deeply impressed fovea between the compound eyes and the antennae. A spring bee, I associate this species with wooded wetlands...but I may be simply mistaken on that account.

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Andrena uvulariae, F, side,
Andrena uvulariae, F, side,
Andrena uvulariae, F, side,

Andrena uvulariae, Female, Recently, this species was known only from the type, but work by Mike Arduser, Joan Milam, and John Ascher have resulted locating additional specimens along the the male. It appears to be a pollen specialist on Bellflowers. This specimen is approximately 100 years old from the Smithsonian collection.

Andrena uvulariae, Female, Recently, this species was known only from the type, but work by Mike Arduser, Joan Milam, and John Ascher have resulted locating additional specimens along the the male. It appears to be a pollen specialist on Bellflowers. This specimen is approximately 100 years old from the Smithsonian collection.

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Andrena uvulariae, M, Back, MA, Franklin County
Andrena uvulariae, M, Back, MA, Franklin County
Andrena uvulariae, M, Back, MA, Franklin County

Rare Bee Alert. Andrena uvulariae was described many years ago from specimens collected where I work in Beltsville, MD and then...it largely went off the radar screen as a legit species and all things that looked like this species were simply called A. ziziaformis.

Rare Bee Alert. Andrena uvulariae was described many years ago from specimens collected where I work in Beltsville, MD and then...it largely went off the radar screen as a legit species and all things that looked like this species were simply called A. ziziaformis.

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Andrena uvulariae, M, face, Falls Church, Virginia
Andrena uvulariae, M, face, Falls Church, Virginia
Andrena uvulariae, M, face, Falls Church, Virginia

Rare Bee Alert. Andrena uvulariae was described many years ago from specimens collected where I work in Beltsville, MD and then...it largely went off the radar screen as a legit species and all things that looked like this species were simply called A. ziziaformis.

Rare Bee Alert. Andrena uvulariae was described many years ago from specimens collected where I work in Beltsville, MD and then...it largely went off the radar screen as a legit species and all things that looked like this species were simply called A. ziziaformis.

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Andrena uvulariae, M, Face, MA, Franklin County
Andrena uvulariae, M, Face, MA, Franklin County
Andrena uvulariae, M, Face, MA, Franklin County

Rare Bee Alert. Andrena uvulariae was described many years ago from specimens collected where I work in Beltsville, MD and then...it largely went off the radar screen as a legit species and all things that looked like this species were simply called A. ziziaformis.

Rare Bee Alert. Andrena uvulariae was described many years ago from specimens collected where I work in Beltsville, MD and then...it largely went off the radar screen as a legit species and all things that looked like this species were simply called A. ziziaformis.

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Andrena vanduzeei, f, face, Mariposa, CA
Andrena vanduzeei, f, face, Mariposa, CA
Andrena vanduzeei, f, face, Mariposa, CA

This is a first in what will be a series of pictures from Claire Kremen's Lab at U.C. Berkeley. This is Andrena vanduzeei, an endemic California bee, restricted to the High Sierras. Note the lovely blue metallic notes and surrounding dark hairs. Specimens collected in Yosemite National Park. Picture by Sydney Price.

This is a first in what will be a series of pictures from Claire Kremen's Lab at U.C. Berkeley. This is Andrena vanduzeei, an endemic California bee, restricted to the High Sierras. Note the lovely blue metallic notes and surrounding dark hairs. Specimens collected in Yosemite National Park. Picture by Sydney Price.

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Andrena vanduzeei, m, face, Mariposa, CA
Andrena vanduzeei, m, face, Mariposa, CA
Andrena vanduzeei, m, face, Mariposa, CA

This is a first in what will be a series of pictures from Claire Kremen's Lab at U.C. Berkeley. This is Andrena vanduzeei, an endemic California bee, restricted to the High Sierras. Note the lovely blue metallic notes and surrounding dark hairs. Specimens collected By Robbin Thorp. Picture by Sydney Price.

This is a first in what will be a series of pictures from Claire Kremen's Lab at U.C. Berkeley. This is Andrena vanduzeei, an endemic California bee, restricted to the High Sierras. Note the lovely blue metallic notes and surrounding dark hairs. Specimens collected By Robbin Thorp. Picture by Sydney Price.

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Andrena chapmanae, f, face, Yosemite Nat Park
Andrena chapmanae, f, face, Yosemite Nat Park
Andrena chapmanae, f, face, Yosemite Nat Park

More from Yosemite National Park. Hmmm, that color, so blue, reminds me of famously blue bees such as Ceratina and Osmia...but, in this case, we are looking at Andrena chapmanae...one of the raree Andrena that are a strong metallic blue. I have to say that the combination of this midnight blue and deeply dark brown is very attractive.

More from Yosemite National Park. Hmmm, that color, so blue, reminds me of famously blue bees such as Ceratina and Osmia...but, in this case, we are looking at Andrena chapmanae...one of the raree Andrena that are a strong metallic blue. I have to say that the combination of this midnight blue and deeply dark brown is very attractive.

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Andrena clarkella, F, back, Hancock co
Andrena clarkella, F, back, Hancock co
Andrena clarkella, F, back, Hancock co

Another shot of the previous bee, this time from the back. Canon Mark II 5D, Zerene Stacker, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

Another shot of the previous bee, this time from the back. Canon Mark II 5D, Zerene Stacker, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

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