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Eastern Ecological Science Center images.

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Callistethus marginatus, U, Side, MD, Somerset
Callistethus marginatus, U, Side, MD, Somerset
Callistethus marginatus, U, Side, MD, Somerset

Callistethus marginatus - A scarab beetle in the Shining Leaf Chafer subfamily of the Scarab Beetles. This one from Somerset County on the Eastern Shore of Maryland. The photograph is taken by Betsy Bangert and Mike Burchett.

Callistethus marginatus - A scarab beetle in the Shining Leaf Chafer subfamily of the Scarab Beetles. This one from Somerset County on the Eastern Shore of Maryland. The photograph is taken by Betsy Bangert and Mike Burchett.

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Callohesma flavopicta, f, side2, australia
Callohesma flavopicta, f, side2, australia
Callohesma flavopicta, f, side2, australia

A tiny Australian. One associated with the many members of plants in the myrtle family on that continent.

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Calosoma scrutator, side, AR
Calosoma scrutator, side, AR
Calosoma scrutator, side, AR

Fiery Searcher. Calosoma scrutator hunts caterpillars, is big, fast, and spectacular. Just exactly why it is spectacular is clear, when attached it exudes odor heavy on the bad smells and who would want to eat that. So, if you like to dress up in iridescence of any kinds, then just be sure to bring along some repellent to keep the predators at bay.

Fiery Searcher. Calosoma scrutator hunts caterpillars, is big, fast, and spectacular. Just exactly why it is spectacular is clear, when attached it exudes odor heavy on the bad smells and who would want to eat that. So, if you like to dress up in iridescence of any kinds, then just be sure to bring along some repellent to keep the predators at bay.

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Coelioxys octodentata, m, left side, Maryland
Coelioxys octodentata, m, left side, Maryland
Coelioxys octodentata, m, left side, Maryland

A nest parasite, this time a male. Coelioxys octodentata is a counterpart to the more commonly found C. sayi. I associate this species with drier and perhaps sandier locations, perhaps as the nest parasite of things like Megachile brevis. Note the characteristic teeth sticking out of the rear of this bee.

A nest parasite, this time a male. Coelioxys octodentata is a counterpart to the more commonly found C. sayi. I associate this species with drier and perhaps sandier locations, perhaps as the nest parasite of things like Megachile brevis. Note the characteristic teeth sticking out of the rear of this bee.

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Coelioxys rufitarsis, M, Side, NY, Franklin County
Coelioxys rufitarsis, M, Side, NY, Franklin County
Coelioxys rufitarsis, M, Side, NY, Franklin County

Another Coelioxys nest parasite bee from the Adirondack Mountains of New York. This one is a nest parasite of big Leaf Cutters like Megachile latimanus. Here are shots of a male and a female.

Another Coelioxys nest parasite bee from the Adirondack Mountains of New York. This one is a nest parasite of big Leaf Cutters like Megachile latimanus. Here are shots of a male and a female.

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Coelioxys sayi, M, Back, MD, Baltimore
Coelioxys sayi, M, Back, MD, Baltimore
Coelioxys sayi, M, Back, 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, 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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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.

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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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Colletes brevicornis, f, back, Pr. George's County Maryland
Colletes brevicornis, f, back, Pr. George's County Maryland
Colletes brevicornis, f, back, Pr. George's County Maryland

Colletes brevocornis, and uncommonly collected species, one that I associate with dry open areas, it is perhaps a specialist on Venus looking glass in the campanulae family. Difficult to say, since so few have been collected but that is our best guess at this time.

Colletes brevocornis, and uncommonly collected species, one that I associate with dry open areas, it is perhaps a specialist on Venus looking glass in the campanulae family. Difficult to say, since so few have been collected but that is our best guess at this time.

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Colletes brevicornis, f, face, Pr. George's Co. Maryland
Colletes brevicornis, f, face, Pr. George's Co. Maryland
Colletes brevicornis, f, face, Pr. George's Co. Maryland

Colletes brevocornis, and uncommonly collected species, one that I associate with dry open areas, it is perhaps a specialist on Venus looking glass in the campanulae family. Difficult to say, since so few have been collected but that is our best guess at this time.

Colletes brevocornis, and uncommonly collected species, one that I associate with dry open areas, it is perhaps a specialist on Venus looking glass in the campanulae family. Difficult to say, since so few have been collected but that is our best guess at this time.

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Colletes brevicornis, f, side, Pr. George's Co. Maryland
Colletes brevicornis, f, side, Pr. George's Co. Maryland
Colletes brevicornis, f, side, Pr. George's Co. Maryland

Colletes brevocornis, and uncommonly collected species, one that I associate with dry open areas, it is perhaps a specialist on Venus looking glass in the campanulae family. Difficult to say, since so few have been collected but that is our best guess at this time.

Colletes brevocornis, and uncommonly collected species, one that I associate with dry open areas, it is perhaps a specialist on Venus looking glass in the campanulae family. Difficult to say, since so few have been collected but that is our best guess at this time.

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