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Eastern Ecological Science Center images.

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

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

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Andrena nasonii, F, face, New York, Kings County
Andrena nasonii, F, face, New York, Kings County
Andrena nasonii, F, face, New York, Kings County

Andrena nasonii. In this case a female, 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.

Andrena nasonii. In this case a female, 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.

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

Andrena nasonii. In this case a female, 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.

Andrena nasonii. In this case a female, 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.

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

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 wilmattae, f, face, Pennington Co., SD
Andrena wilmattae, f, face, Pennington Co., SD
Andrena wilmattae, f, face, Pennington Co., SD

Andrena, which seem more prone to such things, perhaps because they are just a touch more delicate. So, it is nice to see a beautiful specimen like this Andrena wilmattae from Badlands National Park. A lovely presentation and our photographer, Anders Croft did a lovely job laying this specimen out. A joint venture I would say.

Andrena, which seem more prone to such things, perhaps because they are just a touch more delicate. So, it is nice to see a beautiful specimen like this Andrena wilmattae from Badlands National Park. A lovely presentation and our photographer, Anders Croft did a lovely job laying this specimen out. A joint venture I would say.

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Andrena wilmattae, f, right, Pennington Co., SD
Andrena wilmattae, f, right, Pennington Co., SD
Andrena wilmattae, f, right, Pennington Co., SD

Andrena, which seem more prone to such things, perhaps because they are just a touch more delicate. So, it is nice to see a beautiful specimen like this Andrena wilmattae from Badlands National Park. A lovely presentation and our photographer, Anders Croft did a lovely job laying this specimen out. A joint venture I would say.

Andrena, which seem more prone to such things, perhaps because they are just a touch more delicate. So, it is nice to see a beautiful specimen like this Andrena wilmattae from Badlands National Park. A lovely presentation and our photographer, Anders Croft did a lovely job laying this specimen out. A joint venture I would say.

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Andrena ziziae, M, Face, VA, Giles County
Andrena ziziae, M, Face, VA, Giles County
Andrena ziziae, M, Face, VA, Giles County

A small spring Andrena, the female uses pollen from Zizia plants to provision her nest. This specimen was captured by Nancy Adamson in the mountains of West Virginia.

A small spring Andrena, the female uses pollen from Zizia plants to provision her nest. This specimen was captured by Nancy Adamson in the mountains of West Virginia.

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Andrena nigrae, M, Face, MD, PG County
Andrena nigrae, M, Face, MD, PG County
Andrena nigrae, M, Face, MD, PG County

This tiny bee is a specialist on Willow Pollen, and was captured early this spring, unfortunately it is also completely coated in pollen and lint from the collecting process and did not go through our usual wash and blow dry procedure...thus the bad hair, but on the other hand it shows the characteristic light green tinge to the integument and generally captures the

This tiny bee is a specialist on Willow Pollen, and was captured early this spring, unfortunately it is also completely coated in pollen and lint from the collecting process and did not go through our usual wash and blow dry procedure...thus the bad hair, but on the other hand it shows the characteristic light green tinge to the integument and generally captures the

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Andrena nivalis, stylopid, U, Cocos Co., NH, back
Andrena nivalis, stylopid, U, Cocos Co., NH, back
Andrena nivalis, stylopid, U, Cocos Co., NH, back

The abdomen of a female Andrena nivalis. In that abdomen is a female stylopid which looks a bit like an odd head sticking out from underneath a tergite...she has been living in said A. nivalis for a long time...feeding on its innards...and, the stylopid has just given birth, (likely killing her in the process) to all her little babies. Nature: So cruel.

The abdomen of a female Andrena nivalis. In that abdomen is a female stylopid which looks a bit like an odd head sticking out from underneath a tergite...she has been living in said A. nivalis for a long time...feeding on its innards...and, the stylopid has just given birth, (likely killing her in the process) to all her little babies. Nature: So cruel.

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Andrena oman, f, oman, side
Andrena oman, f, oman, side
Andrena oman, f, oman, side

Andrena species, Black-tipped Andrena, specimen collected by Jason Gibbs in OmanEvolution has blessed the genus Andrena with over 1500 different species, making it the second richest of all bee genera (Hairy-tongue Bees, Lasioglossum, are first).

Andrena species, Black-tipped Andrena, specimen collected by Jason Gibbs in OmanEvolution has blessed the genus Andrena with over 1500 different species, making it the second richest of all bee genera (Hairy-tongue Bees, Lasioglossum, are first).

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Andrena personata, m, back, Charles Co., MD
Andrena personata, m, back, Charles Co., MD
Andrena personata, m, back, Charles Co., MD

A little male mining bee about the size of a grain of rice. Andrena personata is something I associate with sparse fields, not so much lawns. My guess that the usual lawn weeds don't have the right mix of patriotically native flower species it is looking for. Kind of pixie like, is what I want to say.

A little male mining bee about the size of a grain of rice. Andrena personata is something I associate with sparse fields, not so much lawns. My guess that the usual lawn weeds don't have the right mix of patriotically native flower species it is looking for. Kind of pixie like, is what I want to say.

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