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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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Coelioxys sayi, M, Face, MD, Baltimore
Coelioxys sayi, M, Face, MD, Baltimore
Coelioxys sayi, M, Face, MD, Baltimore

The most common Coelioxys in the East. This is C. sayi. Now, C. sayi is a nest parasite (like all Coelioxys) and it likes to drop its eggs in the nest of what is usually the most common Leaf Cutter in the East Megachile mendica.

The most common Coelioxys in the East. This is C. sayi. Now, C. sayi is a nest parasite (like all Coelioxys) and it likes to drop its eggs in the nest of what is usually the most common Leaf Cutter in the East Megachile mendica.

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Coelioxys sayi, M, Side, MD, Baltimore
Coelioxys sayi, M, Side, MD, Baltimore
Coelioxys sayi, M, Side, MD, Baltimore

The most common Coelioxys in the East. This is C. sayi. Now, C. sayi is a nest parasite (like all Coelioxys) and it likes to drop its eggs in the nest of what is usually the most common Leaf Cutter in the East Megachile mendica.

The most common Coelioxys in the East. This is C. sayi. Now, C. sayi is a nest parasite (like all Coelioxys) and it likes to drop its eggs in the nest of what is usually the most common Leaf Cutter in the East Megachile mendica.

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Coelioxys sodalis, M, Back, NY, pullout by river
Coelioxys sodalis, M, Back, NY, pullout by river
Coelioxys sodalis, M, Back, NY, pullout by river

This is the male of a species that parasitizes Megachile (leaf cutter nests) by laying their eggs in the nest of the host, after which the young Coelioxys sodalis emerges and kills the host larvae and consumes the pollen and nectar of the host's young. About 20% of all bees work on this model.

This is the male of a species that parasitizes Megachile (leaf cutter nests) by laying their eggs in the nest of the host, after which the young Coelioxys sodalis emerges and kills the host larvae and consumes the pollen and nectar of the host's young. About 20% of all bees work on this model.

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Coelioxys sodalis, M, Face, NY, Pullout by river
Coelioxys sodalis, M, Face, NY, Pullout by river
Coelioxys sodalis, M, Face, NY, Pullout by river

This is the male of a species that parasitizes Megachile (leaf cutter nests) by laying their eggs in the nest of the host, after which the young Coelioxys sodalis emerges and kills the host larvae and consumes the pollen and nectar of the host's young. About 20% of all bees work on this model.

This is the male of a species that parasitizes Megachile (leaf cutter nests) by laying their eggs in the nest of the host, after which the young Coelioxys sodalis emerges and kills the host larvae and consumes the pollen and nectar of the host's young. About 20% of all bees work on this model.

close up of image
Coelioxys sodalis, M, Side, NY, Pullout by river
Coelioxys sodalis, M, Side, NY, Pullout by river
Coelioxys sodalis, M, Side, NY, Pullout by river

This is the male of a species that parasitizes Megachile (leaf cutter nests) by laying their eggs in the nest of the host, after which the young Coelioxys sodalis emerges and kills the host larvae and consumes the pollen and nectar of the host's young. About 20% of all bees work on this model.

This is the male of a species that parasitizes Megachile (leaf cutter nests) by laying their eggs in the nest of the host, after which the young Coelioxys sodalis emerges and kills the host larvae and consumes the pollen and nectar of the host's young. About 20% of all bees work on this model.

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Coelioxys vigilans, F, face, Dominican Republic
Coelioxys vigilans, F, face, Dominican Republic
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Coelioxys-coturnix,-female,-back
Coelioxys-coturnix,-female,-back
Coelioxys-coturnix,-female,-back

Coelioxys coturnix, female, July 2012 along Railroad tracks in Cumberland Maryland

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Coelioxys-sayi,-female,-back
Coelioxys-sayi,-female,-back
Coelioxys-sayi,-female,-back

Coelioxys sayi, female, Patuxent Wildlife Research Center, Odenton, Maryland

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Coelioxys-sayi,-female,-face
Coelioxys-sayi,-female,-face
Coelioxys-sayi,-female,-face

Coelioxys sayi, female, Patuxent Wildlife Research Center, Odenton, Maryland

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Coelioxys-sayi,-female,-side
Coelioxys-sayi,-female,-side
Coelioxys-sayi,-female,-side

Coelioxys sayi, female, Patuxent Wildlife Research Center, Odenton, Maryland

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Coleomegilla maculata, U, Maryland, back
Coleomegilla maculata, U, Maryland, back
Coleomegilla maculata, U, Maryland, back

Spotted lady beetle,Coleomegilla maculata, a relatively common native species of lady beetle, sadly most of the most common lady beetles are not native these days. This one, interestingly, feeds an awful lot on pollen from flowers, and therefore I often catch it when collecting bees.

Spotted lady beetle,Coleomegilla maculata, a relatively common native species of lady beetle, sadly most of the most common lady beetles are not native these days. This one, interestingly, feeds an awful lot on pollen from flowers, and therefore I often catch it when collecting bees.

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Colletes aestivalis, f, back, Rockingham Co. VA
Colletes aestivalis, f, back, Rockingham Co. VA
Colletes aestivalis, f, back, Rockingham Co. VA

Colletes aestivalis. Rare? or Not Rare? This is a Heuchera specialist. Heuchera is planted everywhere, why is the species not seen and seen by some as a potential species of concern. A few things pilgrim.

Colletes aestivalis. Rare? or Not Rare? This is a Heuchera specialist. Heuchera is planted everywhere, why is the species not seen and seen by some as a potential species of concern. A few things pilgrim.

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Colletes aestivalis, f, face, Rockingham Co. VA
Colletes aestivalis, f, face, Rockingham Co. VA
Colletes aestivalis, f, face, Rockingham Co. VA

Colletes aestivalis. Rare? or Not Rare? This is a Heuchera specialist. Heuchera is planted everywhere, why is the species not seen and seen by some as a potential species of concern. A few things pilgrim.

Colletes aestivalis. Rare? or Not Rare? This is a Heuchera specialist. Heuchera is planted everywhere, why is the species not seen and seen by some as a potential species of concern. A few things pilgrim.

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Colletes aestivalis, f, right, Rockingham Co. VA
Colletes aestivalis, f, right, Rockingham Co. VA
Colletes aestivalis, f, right, Rockingham Co. VA

Colletes aestivalis. Rare? or Not Rare? This is a Heuchera specialist. Heuchera is planted everywhere, why is the species not seen and seen by some as a potential species of concern. A few things pilgrim.

Colletes aestivalis. Rare? or Not Rare? This is a Heuchera specialist. Heuchera is planted everywhere, why is the species not seen and seen by some as a potential species of concern. A few things pilgrim.

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Colletes aestivalis, m, back, Shenandoah NP, VA
Colletes aestivalis, m, back, Shenandoah NP, VA
Colletes aestivalis, m, back, Shenandoah NP, VA

Rare. This bee (Colletes aestivalis) is rarely seen these days. I have never collected one despite it being recorded in Maryland in the far distant past. So it was nice to see this specimen from Shenandoah National Park in Virginia collected by Jessica Rykken in her studies of the Park's bee fauna. Good news.

Rare. This bee (Colletes aestivalis) is rarely seen these days. I have never collected one despite it being recorded in Maryland in the far distant past. So it was nice to see this specimen from Shenandoah National Park in Virginia collected by Jessica Rykken in her studies of the Park's bee fauna. Good news.

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Colletes aestivalis, m, face, Shenandoah NP, VA
Colletes aestivalis, m, face, Shenandoah NP, VA
Colletes aestivalis, m, face, Shenandoah NP, VA

Rare. This bee (Colletes aestivalis) is rarely seen these days. I have never collected one despite it being recorded in Maryland in the far distant past. So it was nice to see this specimen from Shenandoah National Park in Virginia collected by Jessica Rykken in her studies of the Park's bee fauna. Good news.

Rare. This bee (Colletes aestivalis) is rarely seen these days. I have never collected one despite it being recorded in Maryland in the far distant past. So it was nice to see this specimen from Shenandoah National Park in Virginia collected by Jessica Rykken in her studies of the Park's bee fauna. Good news.

close up of image
Colletes aestivalis, m, right side, Shenandoah NP, VA
Colletes aestivalis, m, right side, Shenandoah NP, VA
Colletes aestivalis, m, right side, Shenandoah NP, VA

Rare. This bee (Colletes aestivalis) is rarely seen these days. I have never collected one despite it being recorded in Maryland in the far distant past. So it was nice to see this specimen from Shenandoah National Park in Virginia collected by Jessica Rykken in her studies of the Park's bee fauna. Good news.

Rare. This bee (Colletes aestivalis) is rarely seen these days. I have never collected one despite it being recorded in Maryland in the far distant past. So it was nice to see this specimen from Shenandoah National Park in Virginia collected by Jessica Rykken in her studies of the Park's bee fauna. Good news.

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