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USGS Bee Lab at the Eastern Ecological Science Center images.

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Diodia teres 3, Rough Buttonweed, Howard County, Md, Helen Lowe Metzman
Diodia teres 3, Rough Buttonweed, Howard County, Md, Helen Lowe Metzman
Diodia teres 3, Rough Buttonweed, Howard County, Md, Helen Lowe Metzman

In full bloom this is more of a lavender/blue flower, but not one that people pay much mind to. Diodia teres, often called Poorjoe, is a plant associated with highly disturbed, often sandy dry sites. Does well, I have collected bees off it, but not enough to make much of a study of it. This specimen was collected and photographed by Helen Lowe Metzman.

In full bloom this is more of a lavender/blue flower, but not one that people pay much mind to. Diodia teres, often called Poorjoe, is a plant associated with highly disturbed, often sandy dry sites. Does well, I have collected bees off it, but not enough to make much of a study of it. This specimen was collected and photographed by Helen Lowe Metzman.

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Dioscorea villosa, pistillate inflorescences in bud, Howard County, MD, HeLoMetz
Dioscorea villosa, pistillate inflorescences in bud, Howard County, MD, HeLoMetz
Dioscorea villosa, pistillate inflorescences in bud, Howard County, MD, HeLoMetz

Wild Yam, Dioscorea villosa, one of the most architecturally balanced and pleasing vines that you can grow. But the tiny flowers and lack of color would seem to indicate that this might be a fly pollinated plant.

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Dioscorea villosa, Wild Yam, pistillate inflorescences in bud 2
Dioscorea villosa, Wild Yam, pistillate inflorescences in bud 2
Dioscorea villosa, Wild Yam, pistillate inflorescences in bud 2

Wild Yam, Dioscorea villosa, one of the most architecturally balanced and pleasing vines that you can grow. But the tiny flowers and lack of color would seem to indicate that this might be a fly pollinated plant.

Wild Yam, Dioscorea villosa, one of the most architecturally balanced and pleasing vines that you can grow. But the tiny flowers and lack of color would seem to indicate that this might be a fly pollinated plant.

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Diospyros virginiana, Persimmon staminate flowe
Diospyros virginiana, Persimmon staminate flowe
Diospyros virginiana, Persimmon staminate flowe

Here is a 2 picture series of persimmon (Diospyros virginiana) flowers. Some trees are male (staminate) and some are female (pistilate). The easy to come by literature of the web searchers says they are pollinated by insects and the wind. I have never collected off them (too high up and am guessing not super attractive to bees).

Here is a 2 picture series of persimmon (Diospyros virginiana) flowers. Some trees are male (staminate) and some are female (pistilate). The easy to come by literature of the web searchers says they are pollinated by insects and the wind. I have never collected off them (too high up and am guessing not super attractive to bees).

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Dolichopodid, Condylostylus near caudatus, Fly green vibrant, side
Dolichopodid, Condylostylus near caudatus, Fly green vibrant, side
Dolichopodid, Condylostylus near caudatus, Fly green vibrant, side

Condylostylus near caudatus, Long-legged fly, Dolichopodid, shot suspended in hand sanitizer, Maryland, Price George's County, Sciapodinae? Det provided by Flickr user Vox Sciurorum.

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Dragonfly, U, genitalia back
Dragonfly, U, genitalia back
Dragonfly, U, genitalia back

Ophiogomphus susbehcha, collected by Richard Orr along the Potomac River, super rare snaketail species

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Dufourea monardae, F, Face, WI, Eau Claire County
Dufourea monardae, F, Face, WI, Eau Claire County
Dufourea monardae, F, Face, WI, Eau Claire County

A headshot of the uncommon specialist bee, Dufourea monardae. As one might suppose, based on the species part of its name this is a monarda specialist.

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Dufourea monardae, F, Side, WI, Eau Claire County
Dufourea monardae, F, Side, WI, Eau Claire County
Dufourea monardae, F, Side, WI, Eau Claire County

One of about 3 Monarda specialist in Eastern North America. This uncommon bee was collected in Wisconsin, likely by Denny Johnson and photographed by Amber Reese. A northern species and not one we have had any experience collecting or observing. That said, it could occur in Maryland if people spend more time collecting off of Bee Balm.

One of about 3 Monarda specialist in Eastern North America. This uncommon bee was collected in Wisconsin, likely by Denny Johnson and photographed by Amber Reese. A northern species and not one we have had any experience collecting or observing. That said, it could occur in Maryland if people spend more time collecting off of Bee Balm.

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Dynastes tityus, f, front face, MD
Dynastes tityus, f, front face, MD
Dynastes tityus, f, front face, MD

Eastern Hercules Beetle, Female, Old, Found on the Ground, Scarred, Dirty, Ancient, Maryland, Dynastes tityus, Grubs live in rotten logs, HUGE. Found by Jessica Zelt while going on a walk. Pictures by Amanda Robinson.

Eastern Hercules Beetle, Female, Old, Found on the Ground, Scarred, Dirty, Ancient, Maryland, Dynastes tityus, Grubs live in rotten logs, HUGE. Found by Jessica Zelt while going on a walk. Pictures by Amanda Robinson.

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Dynastes tityus, f, side face, MD
Dynastes tityus, f, side face, MD
Dynastes tityus, f, side face, MD

Eastern Hercules Beetle, Female, Old, Found on the Ground, Scarred, Dirty, Ancient, Maryland, Dynastes tityus, Grubs live in rotten logs, HUGE. Found by Jessica Zelt while going on a walk. Pictures by Amanda Robinson.

Eastern Hercules Beetle, Female, Old, Found on the Ground, Scarred, Dirty, Ancient, Maryland, Dynastes tityus, Grubs live in rotten logs, HUGE. Found by Jessica Zelt while going on a walk. Pictures by Amanda Robinson.

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Dysdercus ocreatus U, back, Dominican Republic
Dysdercus ocreatus U, back, Dominican Republic
Dysdercus ocreatus U, back, Dominican Republic

Dominican Republic - Common on flowers November 2012 -Dysdercus ocreatus; identified by Tom Henry, many thanks

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