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Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.

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Map displaying Landsat 7 scenes not acquired Dec 17, 2019
Map displaying Landsat 7 scenes not acquired Dec 17, 2019
Map displaying Landsat 7 scenes not acquired Dec 17, 2019
Map displaying Landsat 7 scenes not acquired Dec 17, 2019

This map displays Landsat 7 scenes not acquired Dec 17, 2019, due to a choke anamoly on the ETM+ sensor's solid state recorder. 

Visit the Landsat Headlines for more information about this event. 

This map displays Landsat 7 scenes not acquired Dec 17, 2019, due to a choke anamoly on the ETM+ sensor's solid state recorder. 

Visit the Landsat Headlines for more information about this event. 

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Martinapis luteicornis, f, back, Cochise Co. AZ
Martinapis luteicornis, f, back, Cochise Co. AZ
Martinapis luteicornis, f, back, Cochise Co. AZ

An obscure bee of the desert, Martinapis luteicornis only is active early in the morning just as the sky begins to lighten. At least one paper indicates that they are specialists on Psorothamnus scoparius or the Broom Dalea.

An obscure bee of the desert, Martinapis luteicornis only is active early in the morning just as the sky begins to lighten. At least one paper indicates that they are specialists on Psorothamnus scoparius or the Broom Dalea.

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Martinapis luteicornis, f, face, Cochise, Co. AZ
Martinapis luteicornis, f, face, Cochise, Co. AZ
Martinapis luteicornis, f, face, Cochise, Co. AZ

An obscure bee of the desert, Martinapis luteicornis only is active early in the morning just as the sky begins to lighten. At least one paper indicates that they are specialists on Psorothamnus scoparius or the Broom Dalea.

An obscure bee of the desert, Martinapis luteicornis only is active early in the morning just as the sky begins to lighten. At least one paper indicates that they are specialists on Psorothamnus scoparius or the Broom Dalea.

close up of image
Martinapis luteicornis, f, side, Cochise Co. AZ
Martinapis luteicornis, f, side, Cochise Co. AZ
Martinapis luteicornis, f, side, Cochise Co. AZ

An obscure bee of the desert, Martinapis luteicornis only is active early in the morning just as the sky begins to lighten. At least one paper indicates that they are specialists on Psorothamnus scoparius or the Broom Dalea.

An obscure bee of the desert, Martinapis luteicornis only is active early in the morning just as the sky begins to lighten. At least one paper indicates that they are specialists on Psorothamnus scoparius or the Broom Dalea.

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Martinapis luteicornis, M, back, Wilcox, AL
Martinapis luteicornis, M, back, Wilcox, AL
Martinapis luteicornis, M, back, Wilcox, AL

I am spacing at the moment as to who lent me these species, but hopefully can track that down and correct the record. Such a lovely odd bee. It forages a dawn in the deserts of the Southwest, is big, lush and lovely. One of only 3 species. This one caught in Wilcox, AZ...probably at the Bee Course. Photographed by Dejen Mengis.

I am spacing at the moment as to who lent me these species, but hopefully can track that down and correct the record. Such a lovely odd bee. It forages a dawn in the deserts of the Southwest, is big, lush and lovely. One of only 3 species. This one caught in Wilcox, AZ...probably at the Bee Course. Photographed by Dejen Mengis.

close up of image
Martinapis luteicornis, M, face, Wilcox, AL
Martinapis luteicornis, M, face, Wilcox, AL
Martinapis luteicornis, M, face, Wilcox, AL

I am spacing at the moment as to who lent me these species, but hopefully can track that down and correct the record. Such a lovely odd bee. It forages a dawn in the deserts of the Southwest, is big, lush and lovely. One of only 3 species. This one caught in Wilcox, AZ...probably at the Bee Course. Photographed by Dejen Mengis.

I am spacing at the moment as to who lent me these species, but hopefully can track that down and correct the record. Such a lovely odd bee. It forages a dawn in the deserts of the Southwest, is big, lush and lovely. One of only 3 species. This one caught in Wilcox, AZ...probably at the Bee Course. Photographed by Dejen Mengis.

close up of image
Martinapis luteicornis, M, side, Wilcox, AL
Martinapis luteicornis, M, side, Wilcox, AL
Martinapis luteicornis, M, side, Wilcox, AL

I am spacing at the moment as to who lent me these species, but hopefully can track that down and correct the record. Such a lovely odd bee. It forages a dawn in the deserts of the Southwest, is big, lush and lovely. One of only 3 species. This one caught in Wilcox, AZ...probably at the Bee Course. Photographed by Dejen Mengis.

I am spacing at the moment as to who lent me these species, but hopefully can track that down and correct the record. Such a lovely odd bee. It forages a dawn in the deserts of the Southwest, is big, lush and lovely. One of only 3 species. This one caught in Wilcox, AZ...probably at the Bee Course. Photographed by Dejen Mengis.

close up of image
Medeola virginiana 2, Indian Cucumber Root
Medeola virginiana 2, Indian Cucumber Root
Medeola virginiana 2, Indian Cucumber Root

Medeola virginiana - Indian cucumber root. Yes, the root is edible and yummy. Specimen and photo by Helen Lowe Metzman. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

Medeola virginiana - Indian cucumber root. Yes, the root is edible and yummy. Specimen and photo by Helen Lowe Metzman. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

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Medeola virginiana 2, Indian-Cucumber Root
Medeola virginiana 2, Indian-Cucumber Root
Medeola virginiana 2, Indian-Cucumber Root

Indian Cucumber Root, Medeola virginiana. I have eaten its root ...and it does taste like cucumber....you need a lot of them though, tiny. Photo and specimen by Helen Lowe Metzman.

Indian Cucumber Root, Medeola virginiana. I have eaten its root ...and it does taste like cucumber....you need a lot of them though, tiny. Photo and specimen by Helen Lowe Metzman.

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Medeola virginiana 3, Indian-Cucumber Root, Howard Co, Md, H Metzman
Medeola virginiana 3, Indian-Cucumber Root, Howard Co, Md, H Metzman
Medeola virginiana 3, Indian-Cucumber Root, Howard Co, Md, H Metzman

Indian Cucumber Root, Medeola virginiana. I have eaten its root ...and it does taste like cucumber....you need a lot of them though, tiny. Photo and specimen by Helen Lowe Metzman.

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Medeola virginiana, Indian Cucumber Root, Howard County, Md, Helen Lowe Metzman
Medeola virginiana, Indian Cucumber Root, Howard County, Md, Helen Lowe Metzman
Medeola virginiana, Indian Cucumber Root, Howard County, Md, Helen Lowe Metzman

Medeola virginiana - Indian cucumber root. Yes, the root is edible and yummy. Specimen and photo by Helen Lowe Metzman. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

Medeola virginiana - Indian cucumber root. Yes, the root is edible and yummy. Specimen and photo by Helen Lowe Metzman. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

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Medeola virginiana, Indian-Cucumber Root, Howard Co, Md, H Metzman
Medeola virginiana, Indian-Cucumber Root, Howard Co, Md, H Metzman
Medeola virginiana, Indian-Cucumber Root, Howard Co, Md, H Metzman

Indian Cucumber Root, Medeola virginiana. I have eaten its root ...and it does taste like cucumber....you need a lot of them though, tiny. Photo and specimen by Helen Lowe Metzman.

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Megachile addenda, F, Back, NJ, Monmouth County
Megachile addenda, F, Back, NJ, Monmouth County
Megachile addenda, F, Back, NJ, Monmouth County

A sand loving, ground nesting Megachile from Gateway National Recreation Area on Sandy Hook in New Jersey. Photograph by Brooke Alexander.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

A sand loving, ground nesting Megachile from Gateway National Recreation Area on Sandy Hook in New Jersey. Photograph by Brooke Alexander.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

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Megachile addenda, F, Face, NJ, Monmouth County
Megachile addenda, F, Face, NJ, Monmouth County
Megachile addenda, F, Face, NJ, Monmouth County

A sand loving, ground nesting Megachile from Gateway National Recreation Area on Sandy Hook in New Jersey. Photograph by Brooke Alexander.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

A sand loving, ground nesting Megachile from Gateway National Recreation Area on Sandy Hook in New Jersey. Photograph by Brooke Alexander.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

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Megachile addenda, F, Side, NJ, Monmouth County
Megachile addenda, F, Side, NJ, Monmouth County
Megachile addenda, F, Side, NJ, Monmouth County

A sand loving, ground nesting Megachile from Gateway National Recreation Area on Sandy Hook in New Jersey. Photograph by Brooke Alexander.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

A sand loving, ground nesting Megachile from Gateway National Recreation Area on Sandy Hook in New Jersey. Photograph by Brooke Alexander.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

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Megachile albisecta, F, Back, Greece, Aegean Islands, Lesvos, Mytilene
Megachile albisecta, F, Back, Greece, Aegean Islands, Lesvos, Mytilene
Megachile albisecta, F, Back, Greece, Aegean Islands, Lesvos, Mytilene

Megachile albisecta: An European summer species found on knapweed and thistles. A beautiful and large species. Collected by Jelle Devalez in the Aegean Island of Lesvos, Greece. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

Megachile albisecta: An European summer species found on knapweed and thistles. A beautiful and large species. Collected by Jelle Devalez in the Aegean Island of Lesvos, Greece. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

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Megachile albisecta, F, Face, Greece, Aegean Islands, Lesvos, Mytilene
Megachile albisecta, F, Face, Greece, Aegean Islands, Lesvos, Mytilene
Megachile albisecta, F, Face, Greece, Aegean Islands, Lesvos, Mytilene

Megachile albisecta: An European summer species found on knapweed and thistles. A beautiful and large species. Collected by Jelle Devalez in the Aegean Island of Lesvos, Greece. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

Megachile albisecta: An European summer species found on knapweed and thistles. A beautiful and large species. Collected by Jelle Devalez in the Aegean Island of Lesvos, Greece. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

close up of image
Megachile albisecta, F, Side, Greece, Aegean Islands, Lesvos, Mytilene
Megachile albisecta, F, Side, Greece, Aegean Islands, Lesvos, Mytilene
Megachile albisecta, F, Side, Greece, Aegean Islands, Lesvos, Mytilene

Megachile albisecta: An European summer species found on knapweed and thistles. A beautiful and large species. Collected by Jelle Devalez in the Aegean Island of Lesvos, Greece. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

Megachile albisecta: An European summer species found on knapweed and thistles. A beautiful and large species. Collected by Jelle Devalez in the Aegean Island of Lesvos, Greece. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200.

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Megachile albitarsis, f, back, Chambers co, Texas
Megachile albitarsis, f, back, Chambers co, Texas
Megachile albitarsis, f, back, Chambers co, Texas

I recently spent some time at a family reunion in South Central Texas and, of course, brought my net. Here is Megachile albitarsis, a large ground nesting Meg with its lovely amber red eyes and orange pollen carrying hairs.

I recently spent some time at a family reunion in South Central Texas and, of course, brought my net. Here is Megachile albitarsis, a large ground nesting Meg with its lovely amber red eyes and orange pollen carrying hairs.

close up of image
Megachile albitarsis, f, face, chambers co, Texas
Megachile albitarsis, f, face, chambers co, Texas
Megachile albitarsis, f, face, chambers co, Texas

I recently spent some time at a family reunion in South Central Texas and, of course, brought my net. Here is Megachile albitarsis, a large ground nesting Meg with its lovely amber red eyes and orange pollen carrying hairs.

I recently spent some time at a family reunion in South Central Texas and, of course, brought my net. Here is Megachile albitarsis, a large ground nesting Meg with its lovely amber red eyes and orange pollen carrying hairs.

close up of image
Megachile albitarsis, f, side, Chambers co, Texas
Megachile albitarsis, f, side, Chambers co, Texas
Megachile albitarsis, f, side, Chambers co, Texas

I recently spent some time at a family reunion in South Central Texas and, of course, brought my net. Here is Megachile albitarsis, a large ground nesting Meg with its lovely amber red eyes and orange pollen carrying hairs.

I recently spent some time at a family reunion in South Central Texas and, of course, brought my net. Here is Megachile albitarsis, a large ground nesting Meg with its lovely amber red eyes and orange pollen carrying hairs.

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