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Eastern Ecological Science Center images.

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Agapostemon melliventris, F, side, Shannon Co., S. Dakota
Agapostemon melliventris, F, side, Shannon Co., S. Dakota
Agapostemon melliventris, F, side, Shannon Co., S. Dakota

Yet another Agapostemon, this one was collected in the southern remote portions of Badlands National Park in South Dakota within the Pineridge Indian ReservationCanon 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

Yet another Agapostemon, this one was collected in the southern remote portions of Badlands National Park in South Dakota within the Pineridge Indian ReservationCanon 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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Agapostemon nasutus, m, right, Bagaces, Costa Rica
Agapostemon nasutus, m, right, Bagaces, Costa Rica
Agapostemon nasutus, m, right, Bagaces, Costa Rica

Gliding in from Costa Rica comes a moderalely large, moderately green bee. An Agapostemon nasutus. There are a lot of the these bright green bees out there...Not just in C.R. but throughout the Americas. Beautiful, and once you start paying attention, quite common. But are there any songs written about them? No. Poems? Zero. Green Bee Secret Societies?

Gliding in from Costa Rica comes a moderalely large, moderately green bee. An Agapostemon nasutus. There are a lot of the these bright green bees out there...Not just in C.R. but throughout the Americas. Beautiful, and once you start paying attention, quite common. But are there any songs written about them? No. Poems? Zero. Green Bee Secret Societies?

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Amorpha fruticosa, md, upper marlboro
Amorpha fruticosa, md, upper marlboro
Amorpha fruticosa, md, upper marlboro

False Indigo Plant. My impression is that this plant has moved only recently into a very common status withing the Chesapeake Bay area, now found commonly along water edges of the upper Bay and fresh and brackish rivers. Seems to be good for species in Megachilidae.

False Indigo Plant. My impression is that this plant has moved only recently into a very common status withing the Chesapeake Bay area, now found commonly along water edges of the upper Bay and fresh and brackish rivers. Seems to be good for species in Megachilidae.

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Ancyloscelis apiformis, m, paraguay, side
Ancyloscelis apiformis, m, paraguay, side
Ancyloscelis apiformis, m, paraguay, side

Probably a specialist on bindweed pollen, this group of bees runs from the Southwestern states down into southern South America. Note the expanded femurs of this male, interesting to speculate as to why. From the Packer Lab.

Probably a specialist on bindweed pollen, this group of bees runs from the Southwestern states down into southern South America. Note the expanded femurs of this male, interesting to speculate as to why. From the Packer Lab.

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Ancyloscelis, f, left, La Cruz, Costa Rica
Ancyloscelis, f, left, La Cruz, Costa Rica
Ancyloscelis, f, left, La Cruz, Costa Rica

Tim McMahon hunted down this Ancyloscelis in Costa Rica. The long tongue on this relatively small bee is a thing. This group as a whole has an affinity for flowers with long carollas. In particular, the love morning glories. Which is interesting, because you don't really see morning glories in the seed mix for pollinator plots.

Tim McMahon hunted down this Ancyloscelis in Costa Rica. The long tongue on this relatively small bee is a thing. This group as a whole has an affinity for flowers with long carollas. In particular, the love morning glories. Which is interesting, because you don't really see morning glories in the seed mix for pollinator plots.

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Andrena (Parandrena) weilesleyana, f, back, Middlesex Co, MA
Andrena (Parandrena) weilesleyana, f, back, Middlesex Co, MA
Andrena (Parandrena) weilesleyana, f, back, Middlesex Co, MA

Andrena wellesleyana is one of the many Andrena species. It is also one of a number of species where the males have extensive yellow on their faces while the females are completely black. I the bulk of species both males and females have black faces.

Andrena wellesleyana is one of the many Andrena species. It is also one of a number of species where the males have extensive yellow on their faces while the females are completely black. I the bulk of species both males and females have black faces.

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Andrena (Parandrena) weilesleyana, f, side, Middlesex Co, MA
Andrena (Parandrena) weilesleyana, f, side, Middlesex Co, MA
Andrena (Parandrena) weilesleyana, f, side, Middlesex Co, MA

Andrena wellesleyana is one of the many Andrena species. It is also one of a number of species where the males have extensive yellow on their faces while the females are completely black. I the bulk of species both males and females have black faces.

Andrena wellesleyana is one of the many Andrena species. It is also one of a number of species where the males have extensive yellow on their faces while the females are completely black. I the bulk of species both males and females have black faces.

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Andrena arabis, m, back, beltsville, md
Andrena arabis, m, back, beltsville, md
Andrena arabis, m, back, beltsville, md

Here is the male of the recently posted female Andrena arabis. The male illustrates what happens periodically with some of the males of this largely brown, dark group of mining bees which is that a few of them have a yellow, or in this case and off-white, clypeus. Surely this must be some sort of sexual signal as the females almost never have these markings.

Here is the male of the recently posted female Andrena arabis. The male illustrates what happens periodically with some of the males of this largely brown, dark group of mining bees which is that a few of them have a yellow, or in this case and off-white, clypeus. Surely this must be some sort of sexual signal as the females almost never have these markings.

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Andrena arabis, m, face, beltsville, md
Andrena arabis, m, face, beltsville, md
Andrena arabis, m, face, beltsville, md

Here is the male of the recently posted female Andrena arabis. The male illustrates what happens periodically with some of the males of this largely brown, dark group of mining bees which is that a few of them have a yellow, or in this case and off-white, clypeus. Surely this must be some sort of sexual signal as the females almost never have these markings.

Here is the male of the recently posted female Andrena arabis. The male illustrates what happens periodically with some of the males of this largely brown, dark group of mining bees which is that a few of them have a yellow, or in this case and off-white, clypeus. Surely this must be some sort of sexual signal as the females almost never have these markings.

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Andrena carlini, Triungulin, Na, side 3, Randolph Co., W. VA
Andrena carlini, Triungulin, Na, side 3, Randolph Co., W. VA
Andrena carlini, Triungulin, Na, side 3, Randolph Co., W. VA

A male Andrena carlini, partially covered in Meloidae beetle triungula. An example of hypermetamorphosis in a parasitic beetle. Collected by Jane Whitaker in West Virginia in 2013

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Andrena confederata, f, face, Pr Georges Co, MD
Andrena confederata, f, face, Pr Georges Co, MD
Andrena confederata, f, face, Pr Georges Co, MD

An uncommon spring bee, this is Andrena confederata. This bee, occurs in low numbers throughout the region. There are relatively few records, but my impression is that it likely occurs regularly in the right situations. What those situations are and what the habitats they prefer might be, is unclear. Nothing new, so much to learn about bees.

An uncommon spring bee, this is Andrena confederata. This bee, occurs in low numbers throughout the region. There are relatively few records, but my impression is that it likely occurs regularly in the right situations. What those situations are and what the habitats they prefer might be, is unclear. Nothing new, so much to learn about bees.

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Andrena cornelli, F, Back, VA, Gales County
Andrena cornelli, F, Back, VA, Gales County
Andrena cornelli, F, Back, VA, Gales County

Go to the woods in the Eastern United States, find a blooming Rhododendron, look for this bee, it specializes Rhodos and Azalea pollen for its babies. Collected in Giles County (probably on a Rhododendron) by Barbara Abraham's students at Mountain Lake Biological Station.

Go to the woods in the Eastern United States, find a blooming Rhododendron, look for this bee, it specializes Rhodos and Azalea pollen for its babies. Collected in Giles County (probably on a Rhododendron) by Barbara Abraham's students at Mountain Lake Biological Station.

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Andrena cornelli, F, Side, VA, Gales County
Andrena cornelli, F, Side, VA, Gales County
Andrena cornelli, F, Side, VA, Gales County

Go to the woods in the Eastern United States, find a blooming Rhododendron, look for this bee, it specializes Rhodos and Azalea pollen for its babies. Collected in Giles County (probably on a Rhododendron) by Barbara Abraham's students at Mountain Lake Biological Station.

Go to the woods in the Eastern United States, find a blooming Rhododendron, look for this bee, it specializes Rhodos and Azalea pollen for its babies. Collected in Giles County (probably on a Rhododendron) by Barbara Abraham's students at Mountain Lake Biological Station.

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Andrena cragini, M, Face, SD, Pennington County
Andrena cragini, M, Face, SD, Pennington County
Andrena cragini, M, Face, SD, Pennington County

Andrena cragini, male, new species record for South Dakota from Badlands National Park as part of a park wide inventory, this small Andrena species appears to be a Leadplant pollen specialist, Joyce, Colby, and Amber

Andrena cragini, male, new species record for South Dakota from Badlands National Park as part of a park wide inventory, this small Andrena species appears to be a Leadplant pollen specialist, Joyce, Colby, and Amber

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Andrena cressonii, f, back, Pr. George's Co., MD
Andrena cressonii, f, back, Pr. George's Co., MD
Andrena cressonii, f, back, Pr. George's Co., MD

Another photograph of the very common Andrena cressonii, captured right here in Prince George's County, and photographed by Erick Hernandez.

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Andrena cressonii, F, Face, MD
Andrena cressonii, F, Face, MD
Andrena cressonii, F, Face, MD

Andrena cressonii - Common, shows up almost everywhere in the spring. Secret identification tip of the day: There is a raised line slanting across the pronotal collar that is usually visible from one side of there other (depending on how the head is cocked). As you go west the legs tend to get very orange...is it a different species?

Andrena cressonii - Common, shows up almost everywhere in the spring. Secret identification tip of the day: There is a raised line slanting across the pronotal collar that is usually visible from one side of there other (depending on how the head is cocked). As you go west the legs tend to get very orange...is it a different species?

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