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A robust Jefferson's Salamander (Ambystoma jeffersonianum) crawling through an underground rodent burrow. They spend much of their lives in underground tunnels, emerging in spring to breed.

A robust Jefferson's Salamander (Ambystoma jeffersonianum) crawling through an underground rodent burrow. They spend much of their lives in underground tunnels, emerging in spring to breed.

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A chunky Jefferson's Salamander (Ambystoma jeffersonianum) resting in an underground passage where it spends most of its life.

A chunky Jefferson's Salamander (Ambystoma jeffersonianum) resting in an underground passage where it spends most of its life.

#1083165084
A Jefferson's Salamander (Ambystoma jeffersonianum) pokes its head out of a hole in the ground where it hides for safety.

A Jefferson's Salamander (Ambystoma jeffersonianum) pokes its head out of a hole in the ground where it hides for safety.

#1083165057
Close-up of the head of a Jefferson's salamander (Ambystoma jeffersonianum) living in an underground rodent hole.

Close-up of the head of a Jefferson's salamander (Ambystoma jeffersonianum) living in an underground rodent hole.

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A plump Jefferson's Salamander (Ambystoma jeffersonianum) crawls out of a subterranean refuge in the earth.

A plump Jefferson's Salamander (Ambystoma jeffersonianum) crawls out of a subterranean refuge in the earth.

#1083164902
A nymphal instar of a large milkweed bug, Oncopeltus fasciatus, perched on the leaf of a hemp dogbane plant in the autumn.

A nymphal instar of a large milkweed bug, Oncopeltus fasciatus, perched on the leaf of a hemp dogbane plant in the autumn.

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Looking down on a hatchling red-back salamander (Plethodon cinereus) coiled up on a US dime coin for scale.

Looking down on a hatchling red-back salamander (Plethodon cinereus) coiled up on a US dime coin for scale.

#1064207366
A tiny red-backed salamander (Plethodon cinereus) resting on a person's thumbnail.

A tiny red-backed salamander (Plethodon cinereus) resting on a person's thumbnail.

#1064207363
Side view of a tiny red-back salamander coiled up on a dime coin for scale. This is a recently hatched baby salamander found in autumn.

Side view of a tiny red-back salamander coiled up on a dime coin for scale. This is a recently hatched baby salamander found in autumn.

#1064207271
A small, recently-hatched red-backed salamander (Plethodon cinereus) blending into the dark brown and reddish detritus under the log where it was found.

A small, recently-hatched red-backed salamander (Plethodon cinereus) blending into the dark brown and reddish detritus under the log where it was found.

#1064207135
Close-up of a small, recently-hatched redback salamander (Plethodon cinereus) sitting on a person's thumb.

Close-up of a small, recently-hatched redback salamander (Plethodon cinereus) sitting on a person's thumb.

#1064207126
Close-up of a fuzzy oak gall wasp (Callirhytis sp.) that has developed on the underside of a red oak leaf. These galls develop through the summer, and are commonly seen in the autumn on fallen leaves.

Close-up of a fuzzy oak gall wasp (Callirhytis sp.) that has developed on the underside of a red oak leaf. These galls develop through the summer, and are commonly seen in the autumn on fallen leaves.

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A large adult Chinese Mantis (Tenodera sinensis) perched on top of a stalk of goldenrod flowers gone to seed. Photographed in October in Ohio.

A large adult Chinese Mantis (Tenodera sinensis) perched on top of a stalk of goldenrod flowers gone to seed. Photographed in October in Ohio.

#1037005160
Close-up of an adult Chinese Mantis (Tenodera sinensis), perched on a goldenrod plant gone to seed, with trees changing to their autumn colors in the background. Ohio in October.

Close-up of an adult Chinese Mantis (Tenodera sinensis), perched on a goldenrod plant gone to seed, with trees changing to their autumn colors in the background. Ohio in October.

#1037005128
Chinese Mantis, Tenodera sinensis, perched on an goldenrod stalk gone to seed. This species is introduced to North America, and is released to control insect pests.

Chinese Mantis, Tenodera sinensis, perched on an goldenrod stalk gone to seed. This species is introduced to North America, and is released to control insect pests.

#1037005094
An adult Chinese Mantis (Tenodera sinensis) observed on a goldenrod stalk in autumn in the midwestern United States. The leaves on the trees in the background are changing color.

An adult Chinese Mantis (Tenodera sinensis) observed on a goldenrod stalk in autumn in the midwestern United States. The leaves on the trees in the background are changing color.

#1037005047
Seed pods and seeds of Hemp Dogbane (Apocynum cannabinum) plants in autumn. Silky white hairs are attached to the seeds, which allow them to be spread by the wind.

Seed pods and seeds of Hemp Dogbane (Apocynum cannabinum) plants in autumn. Silky white hairs are attached to the seeds, which allow them to be spread by the wind.

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Hemp Dogbane (Apocynum cannabinum) seed pods in autumn. Some are splitting open to reveal seeds with fine plumes of white silky hairs that allow the seeds to float long on the wind.

Hemp Dogbane (Apocynum cannabinum) seed pods in autumn. Some are splitting open to reveal seeds with fine plumes of white silky hairs that allow the seeds to float long on the wind.

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Hemp Dogbane (Apocynum cannabinum) in autumn with leafless branches and seed pods that are beginning to split open to release seeds with fluffy white hairs that will float in the wind.

Hemp Dogbane (Apocynum cannabinum) in autumn with leafless branches and seed pods that are beginning to split open to release seeds with fluffy white hairs that will float in the wind.

#1017235109
Close-up of a Hemp Dogbane (Apocynum cannabinum) seed pod that has split open to reveal brown seeds with long, silky white hairs that allow the seeds to disperse on the wind.

Close-up of a Hemp Dogbane (Apocynum cannabinum) seed pod that has split open to reveal brown seeds with long, silky white hairs that allow the seeds to disperse on the wind.

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Close-up of a gall in an oak leaf formed by wasp larvae (Callirhytis sp.). The larvae feed on the leaf, and cause it to grow into the gall structure which provides protection to the larvae.

Close-up of a gall in an oak leaf formed by wasp larvae (Callirhytis sp.). The larvae feed on the leaf, and cause it to grow into the gall structure which provides protection to the larvae.

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Two different types of galls formed by wasp larvae growing inside the developing leaves of oak trees. One species produces a fuzzy gall, and the other produces smooth, spherical galls.

Two different types of galls formed by wasp larvae growing inside the developing leaves of oak trees. One species produces a fuzzy gall, and the other produces smooth, spherical galls.

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A fuzzy gall growing on a red oak leaf. The galls are formed by the larvae of small wasps (Callirhytis sp.) that lay eggs in young leaves. The gall is formed from the plant tissue around the wasp.

A fuzzy gall growing on a red oak leaf. The galls are formed by the larvae of small wasps (Callirhytis sp.) that lay eggs in young leaves. The gall is formed from the plant tissue around the wasp.

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Close-up of the grub-like larva of an acorn weevil (Curculio sp.) that has grown up inside of an acorn from an oak tree. It chewed the round hole in the acorn to crawl out to pupate.

Close-up of the grub-like larva of an acorn weevil (Curculio sp.) that has grown up inside of an acorn from an oak tree. It chewed the round hole in the acorn to crawl out to pupate.

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An acorn weevil (Curculio sp.) larva next to the acorn that it developed in. The hole in the acorn was created by the grub-like larva when it was escaping from the acorn it had been growing inside of.

An acorn weevil (Curculio sp.) larva next to the acorn that it developed in. The hole in the acorn was created by the grub-like larva when it was escaping from the acorn it had been growing inside of.

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Close-up of a grub-like larva of an acorn weevil (Curculio sp.) next to the acorn that it developed in. The larva chewed a hole in the acorn to get out. It will now burrow in the soil to pupate unti

Close-up of a grub-like larva of an acorn weevil (Curculio sp.) next to the acorn that it developed in. The larva chewed a hole in the acorn to get out. It will now burrow in the soil to pupate unti

#1038588785
An acorn weevil (Curculio sp.) larva twisting and turning in front of an acorn showing the hole in the acorn where the larva emerged. When the weevil larva grow inside the acorn, it kills the acorn.

An acorn weevil (Curculio sp.) larva twisting and turning in front of an acorn showing the hole in the acorn where the larva emerged. When the weevil larva grow inside the acorn, it kills the acorn.

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Close-up of an acorn weevil (Curculio sp.) larva in the foreground, with an acorn in the background. The grub-like larva has fed on the acorn, and chewed a hole from the inside-out to emerge.

Close-up of an acorn weevil (Curculio sp.) larva in the foreground, with an acorn in the background. The grub-like larva has fed on the acorn, and chewed a hole from the inside-out to emerge.

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Close-up of an acorn weevil (Curculio sp.) larva found in Ohio. Behind it is the oak acorn showing the hole in the acorn where the larva emerged.

Close-up of an acorn weevil (Curculio sp.) larva found in Ohio. Behind it is the oak acorn showing the hole in the acorn where the larva emerged.

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Leaves of an American Beech tree (Fagus grandifolia), showing damage from Beech leaf disease, which is associated with the nematode Litylenchus crenatae mccannii.

Leaves of an American Beech tree (Fagus grandifolia), showing damage from Beech leaf disease, which is associated with the nematode Litylenchus crenatae mccannii.

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Looking down on leaves of an American Beech tree (Fagus grandifolia), suffering from Beech leaf disease. Leaves on the left show the characteristic yellow stripes of the disease.

Looking down on leaves of an American Beech tree (Fagus grandifolia), suffering from Beech leaf disease. Leaves on the left show the characteristic yellow stripes of the disease.

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Close up of the leaves of an American Beech (Fagus grandifolia), with the yellow stripes characteristic of Beech leaf disease. Leaf damage becomes most apparent in late summer to fall.

Close up of the leaves of an American Beech (Fagus grandifolia), with the yellow stripes characteristic of Beech leaf disease. Leaf damage becomes most apparent in late summer to fall.

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American Beech tree (Fagus grandifolia) with Beech leaf disease (BLD). This disease is associated with the nematode Litylenchus crenatae mccannii, and causes leaf damage before killing the tree.

American Beech tree (Fagus grandifolia) with Beech leaf disease (BLD). This disease is associated with the nematode Litylenchus crenatae mccannii, and causes leaf damage before killing the tree.

#981790608
Branch of an American Beech (Fagus grandifolia) tree with leaves exhibiting yellow stripes characteristic of Beech leaf disease (BLD). BLD is associated with a nematode, and is killing beech trees.

Branch of an American Beech (Fagus grandifolia) tree with leaves exhibiting yellow stripes characteristic of Beech leaf disease (BLD). BLD is associated with a nematode, and is killing beech trees.

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Curled, damaged leaves on a young sapling of an American Beech (Fagus grandifolia) tree with Beech leaf disease, which is associated with the nematode Litylenchus crenatae mccannii.

Curled, damaged leaves on a young sapling of an American Beech (Fagus grandifolia) tree with Beech leaf disease, which is associated with the nematode Litylenchus crenatae mccannii.

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Close-up of a damaged leaf of a Common Milkweed (Asclepias syriaca) with white drops of latex sap dripping from the damaged leaf.

Close-up of a damaged leaf of a Common Milkweed (Asclepias syriaca) with white drops of latex sap dripping from the damaged leaf.

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Milkweed (Asclepias syriaca) leaf with droplets of sticky white latex sap oozing out from veins where the leaf was cut. The toxic sap defends the plant from insects and other herbivores.

Milkweed (Asclepias syriaca) leaf with droplets of sticky white latex sap oozing out from veins where the leaf was cut. The toxic sap defends the plant from insects and other herbivores.

#1012551378
A large white drop of latex sap seeps out of a damaged leaf and stem of a Milkweed (Asclepias syriaca) plant. The sap contains toxins like cardiac glycosides that protect the plant.

A large white drop of latex sap seeps out of a damaged leaf and stem of a Milkweed (Asclepias syriaca) plant. The sap contains toxins like cardiac glycosides that protect the plant.

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A tall goldenrod (Solidago, altissima) with flowering stems branching around the rosette-like cluster of leaves formed by goldenrod bunch gall flies (Rhopalomyia solidaginis) growing in the stem.

A tall goldenrod (Solidago, altissima) with flowering stems branching around the rosette-like cluster of leaves formed by goldenrod bunch gall flies (Rhopalomyia solidaginis) growing in the stem.

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Ironweed (Vernonia spp.) with a large bunch of vibrant, purple flowers growing along a sunny trail in a park in Ohio in autumn.

Ironweed (Vernonia spp.) with a large bunch of vibrant, purple flowers growing along a sunny trail in a park in Ohio in autumn.

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Close-up of the rosette-like cluster of leaves formed by the goldenrod bunch gall fly, Rhopalomyia solidaginis, at the top of the stem of a tall goldenrod, Solidago altissima.

Close-up of the rosette-like cluster of leaves formed by the goldenrod bunch gall fly, Rhopalomyia solidaginis, at the top of the stem of a tall goldenrod, Solidago altissima.

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Hemp Dogbane (Apocynum cannabinum) growing in a field in Ohio during the summer with blue sky behind it.

Hemp Dogbane (Apocynum cannabinum) growing in a field in Ohio during the summer with blue sky behind it.

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Close-up of the head and shell of an eastern box turtle (Terrapene carolina) trying to cross a back-country road in the mountains of South Carolina.

Close-up of the head and shell of an eastern box turtle (Terrapene carolina) trying to cross a back-country road in the mountains of South Carolina.

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Looking down on a Red Eft on the forest floor. This is the juvenile stage of the red-spotted eastern newt (Notophthalmus viridescens). The bright color warns predators not to eat the toxic Eft.

Looking down on a Red Eft on the forest floor. This is the juvenile stage of the red-spotted eastern newt (Notophthalmus viridescens). The bright color warns predators not to eat the toxic Eft.

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Side view of a red eft resting on a piece of wood on the forest floor in Ohio. This is the juvenile stage of the eastern newt (Notophthalmus viridescens).

Side view of a red eft resting on a piece of wood on the forest floor in Ohio. This is the juvenile stage of the eastern newt (Notophthalmus viridescens).

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Thin stalks and flowers of Beechdrops (Epifagus virginiana) growing in an Ohio forest in late summer. Beechdrops are parasitic plants that lack chlorophyll and take nutrients from Beech tree roots.

Thin stalks and flowers of Beechdrops (Epifagus virginiana) growing in an Ohio forest in late summer. Beechdrops are parasitic plants that lack chlorophyll and take nutrients from Beech tree roots.

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Looking down on a goldenrod soldier beetle, Chauliognathus pensylvanicus, on a yellow dandelion flower. These beetles are active in late summer and autumn and feed on pollen and aphids.

Looking down on a goldenrod soldier beetle, Chauliognathus pensylvanicus, on a yellow dandelion flower. These beetles are active in late summer and autumn and feed on pollen and aphids.

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Closeup of a goldenrod soldier beetle, Chauliognathus pensylvanicus, pollinating a yellow dandelion flower in a yard in Ohio.

Closeup of a goldenrod soldier beetle, Chauliognathus pensylvanicus, pollinating a yellow dandelion flower in a yard in Ohio.

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Broad-leaved Goldenrod (Solidago flexicaulis) blooming in a sun-dappled forest understory in northeast Ohio. This woodland species blooms in late summer to early fall.

Broad-leaved Goldenrod (Solidago flexicaulis) blooming in a sun-dappled forest understory in northeast Ohio. This woodland species blooms in late summer to early fall.

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