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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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Polistes exclamans, U, Head
Polistes exclamans, U, Head
Polistes exclamans, U, Head

Polistes exclamans, female, Beltsville, Maryland, Head. A social wasp queen from early spring 2013

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Polistes nest 1, MD, side
Polistes nest 1, MD, side
Polistes nest 1, MD, side

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

close up of image
Polistes nest 3, MD, side
Polistes nest 3, MD, side
Polistes nest 3, MD, side

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

close up of image
Polistes nest 4, MD, side
Polistes nest 4, MD, side
Polistes nest 4, MD, side

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

close up of image
Polistes nest 5, MD, side
Polistes nest 5, MD, side
Polistes nest 5, MD, side

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

close up of image
Polistes nest 6, MD, side
Polistes nest 6, MD, side
Polistes nest 6, MD, side

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

close up of image
Polistes nest, MD, side
Polistes nest, MD, side
Polistes nest, MD, side

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

Here we present a series of pictures of Polistes wasp nests with lavae, pupae, eggs, and interlopers.

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Polygonum cespitosum var. longisetum, upper marlboro
Polygonum cespitosum var. longisetum, upper marlboro
Polygonum cespitosum var. longisetum, upper marlboro

10X shot of seed/flower head of Tufted Knotweed or Oriental Lady's Thumb, Polygonum cespitosum. Lovely form for this very weedy plant. Pulled from my backyard in Upper Marlboro, Maryland.

10X shot of seed/flower head of Tufted Knotweed or Oriental Lady's Thumb, Polygonum cespitosum. Lovely form for this very weedy plant. Pulled from my backyard in Upper Marlboro, Maryland.

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Pontederia cordata 3, Pickerelweed, Howard County, MD, Helen Lowe Metzman
Pontederia cordata 3, Pickerelweed, Howard County, MD, Helen Lowe Metzman
Pontederia cordata 3, Pickerelweed, Howard County, MD, Helen Lowe Metzman

Ah, such an interesting plant for bees. Pontedaria cordata....Pickerelweed. Lives out in fairly deep water, emerges in the spring...sends up a spike of blue flowers in mid-summer. This plant is very attractive to long-tongued bees which have to reach way down to get nectar and pollen.

Ah, such an interesting plant for bees. Pontedaria cordata....Pickerelweed. Lives out in fairly deep water, emerges in the spring...sends up a spike of blue flowers in mid-summer. This plant is very attractive to long-tongued bees which have to reach way down to get nectar and pollen.

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Pontederia cordata, Pickerelweed, Howard County, MD, Helen Lowe Metzman
Pontederia cordata, Pickerelweed, Howard County, MD, Helen Lowe Metzman
Pontederia cordata, Pickerelweed, Howard County, MD, Helen Lowe Metzman

Ah, such an interesting plant for bees. Pontedaria cordata....Pickerelweed. Lives out in fairly deep water, emerges in the spring...sends up a spike of blue flowers in mid-summer. This plant is very attractive to long-tongued bees which have to reach way down to get nectar and pollen.

Ah, such an interesting plant for bees. Pontedaria cordata....Pickerelweed. Lives out in fairly deep water, emerges in the spring...sends up a spike of blue flowers in mid-summer. This plant is very attractive to long-tongued bees which have to reach way down to get nectar and pollen.

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Popillia japonica, unknown, side
Popillia japonica, unknown, side
Popillia japonica, unknown, side

Japanese Beetle, Maryland, Beltsville, Popillia japonica, July 2012, pretty spiffy for a pest we never both to look closely at

Japanese Beetle, Maryland, Beltsville, Popillia japonica, July 2012, pretty spiffy for a pest we never both to look closely at

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