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USGS Bee Lab at the Eastern Ecological Science Center images.

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Andrena robertsonii, f, back, Baltimore Co, MD
Andrena robertsonii, f, back, Baltimore Co, MD
Andrena robertsonii, f, back, Baltimore Co, MD

This small Andrena is around fairly late in the season (May-June) compared to other Andrena and hangs on on woody low shrubs and brambles. Not common an prone to being misidentified as A. brevipalpis. Hannah Sutton did the pictures.

This small Andrena is around fairly late in the season (May-June) compared to other Andrena and hangs on on woody low shrubs and brambles. Not common an prone to being misidentified as A. brevipalpis. Hannah Sutton did the pictures.

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Andrena robertsonii, f, face, Baltimore Co, MD
Andrena robertsonii, f, face, Baltimore Co, MD
Andrena robertsonii, f, face, Baltimore Co, MD

This small Andrena is around fairly late in the season (May-June) compared to other Andrena and hangs on on woody low shrubs and brambles. Not common an prone to being misidentified as A. brevipalpis. Hannah Sutton did the pictures.

This small Andrena is around fairly late in the season (May-June) compared to other Andrena and hangs on on woody low shrubs and brambles. Not common an prone to being misidentified as A. brevipalpis. Hannah Sutton did the pictures.

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Andrena robertsonii, f, side, Baltimore Co, MD
Andrena robertsonii, f, side, Baltimore Co, MD
Andrena robertsonii, f, side, Baltimore Co, MD

This small Andrena is around fairly late in the season (May-June) compared to other Andrena and hangs on on woody low shrubs and brambles. Not common an prone to being misidentified as A. brevipalpis. Hannah Sutton did the pictures.

This small Andrena is around fairly late in the season (May-June) compared to other Andrena and hangs on on woody low shrubs and brambles. Not common an prone to being misidentified as A. brevipalpis. Hannah Sutton did the pictures.

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Andrena specularia, F, Side, ND, Stutsman County
Andrena specularia, F, Side, ND, Stutsman County
Andrena specularia, F, Side, ND, Stutsman County

Andrena specularia - This is a prairie bee. I know that because it is from North Dakota and there are no records that I know of east of the Mississippi River. In fact, there are no legit records outside of North Dakota. Other than the mysterious Turtle Mountains, ND is all about prairie. I would like to propose that this become the state's bee.

Andrena specularia - This is a prairie bee. I know that because it is from North Dakota and there are no records that I know of east of the Mississippi River. In fact, there are no legit records outside of North Dakota. Other than the mysterious Turtle Mountains, ND is all about prairie. I would like to propose that this become the state's bee.

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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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Anthidiellum ehrhorni, f, back, Cochise Co. AZ
Anthidiellum ehrhorni, f, back, Cochise Co. AZ
Anthidiellum ehrhorni, f, back, Cochise Co. AZ

Here is a series of male and female Anthidiellum ehrhorni. these are small, relatively cute in the scheme of things, bees that dwell in the drylands of Southwestern U.S. and northern Mexico. They are fast flying and remind me of flying peas for some reason. Though I can't recall any peas that look like A. ehrhorni.

Here is a series of male and female Anthidiellum ehrhorni. these are small, relatively cute in the scheme of things, bees that dwell in the drylands of Southwestern U.S. and northern Mexico. They are fast flying and remind me of flying peas for some reason. Though I can't recall any peas that look like A. ehrhorni.

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Anthidiellum notatum, m, back, Yolo, CA
Anthidiellum notatum, m, back, Yolo, CA
Anthidiellum notatum, m, back, Yolo, CA

Can't really get tired of Anthidiellums. Here is Anthidiellum notatum...it is found throughout the United States and leaks into both Canada and Mexico. As is often the case for something that occurs across an entire continent, there are color variants, differences in various dimensionalities of veins, pitting, legs, and other structures.

Can't really get tired of Anthidiellums. Here is Anthidiellum notatum...it is found throughout the United States and leaks into both Canada and Mexico. As is often the case for something that occurs across an entire continent, there are color variants, differences in various dimensionalities of veins, pitting, legs, and other structures.

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Anthidiellum notatum
Anthidiellum notatum
Anthidiellum notatum

One of a number of subspecies of Anthidiellum notatum....A. n. robersoni, in this case. This is a western version. Park of Claire Kremen's Shop. Found in Yolo County. But...is it really a subspeices or is it actually a different species. Good question Pilgrim. Wouldn't it be nice if someone were to sponsor the hunt for that answer.

One of a number of subspecies of Anthidiellum notatum....A. n. robersoni, in this case. This is a western version. Park of Claire Kremen's Shop. Found in Yolo County. But...is it really a subspeices or is it actually a different species. Good question Pilgrim. Wouldn't it be nice if someone were to sponsor the hunt for that answer.

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Anthidiellum perplexum, m, ga, baker, face2
Anthidiellum perplexum, m, ga, baker, face2
Anthidiellum perplexum, m, ga, baker, face2

A lovely little southern pea loving bee. Its so nice to know that these little flying jewels are out there and not everything is a honey bee. Collected by Sabrie Breland in the southern pinelands of Georgia and photographed by Sara Guerrieri.

A lovely little southern pea loving bee. Its so nice to know that these little flying jewels are out there and not everything is a honey bee. Collected by Sabrie Breland in the southern pinelands of Georgia and photographed by Sara Guerrieri.

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Anthidium illustre, m, left green background, Bray 1, CA
Anthidium illustre, m, left green background, Bray 1, CA
Anthidium illustre, m, left green background, Bray 1, CA

Background fun. Note that in one picture in this series we put a background of grass in our mini-insect studio in front of the black velvet curtain. What do you think ...pro? con?This is Anthidium illustre a snappy looking beast from the Rocky Mountains west.

Background fun. Note that in one picture in this series we put a background of grass in our mini-insect studio in front of the black velvet curtain. What do you think ...pro? con?This is Anthidium illustre a snappy looking beast from the Rocky Mountains west.

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Anthidium loti, M, Side, Greece, Aegean Islands, Lesvos, Mytilene
Anthidium loti, M, Side, Greece, Aegean Islands, Lesvos, Mytilene
Anthidium loti, M, Side, Greece, Aegean Islands, Lesvos, Mytilene

Anthidium loti: A characteristic summer species of the Greece, almost always found on the abundantly flowering Vitex agnus-castus. The males are swift flyers protecting their favorite bush of Vitex against intruders on warm summer days. Specimen collected by Jelle Devalez on Lesvos Island, Greece. Photography by Maggie Yuan.

Anthidium loti: A characteristic summer species of the Greece, almost always found on the abundantly flowering Vitex agnus-castus. The males are swift flyers protecting their favorite bush of Vitex against intruders on warm summer days. Specimen collected by Jelle Devalez on Lesvos Island, Greece. Photography by Maggie Yuan.

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