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The larva of a <em>Coleophora malivorella</em>

Apple Case-Bearer

The larva of a Coleophora malivorella

"Army-worm (Leucania unipuncta), about natural size. a, male moth; b, abdomen of female; c, eye; d, pupa; e, caterpillar."-Whitney, 1902

Army Worm

"Army-worm (Leucania unipuncta), about natural size. a, male moth; b, abdomen of female; c, eye; d,…

"The Army Worm (Leucania unipuncta). A, caterpillar; B, adult moth." &mdash; Galloway

Army Worm

"The Army Worm (Leucania unipuncta). A, caterpillar; B, adult moth." — Galloway

"The Colorado Beetle is a beetle first described by Thomas Say, in 1824, from specimens found by him near the Upper Missouri. The larva feeds greedily on the potato, and having attracted notice in Colorado for its ravages among the crops of that esculent in the territory, it moved eastward year by year, till in 1874 it had reached the Atlantic seaboard. It is popularly known as the potato bug."&mdash;(Charles Leonard-Stuart, 1911)

Colorado Beetle Larva

"The Colorado Beetle is a beetle first described by Thomas Say, in 1824, from specimens found by him…

A boot turned in to a home by small insects.

Boot Home

A boot turned in to a home by small insects.

The caterpillar of the brown-tail moth is black with warty tubercles. The caterpillar emits tufts of snow white hairs on the second and on the fifth to twelfth segments.

Caterpillar of the Brown-Tail Moth

The caterpillar of the brown-tail moth is black with warty tubercles. The caterpillar emits tufts of…

There are three stages of a butterfly: caterpillar, pupa, and butterfly; respectively.

Butterfly

There are three stages of a butterfly: caterpillar, pupa, and butterfly; respectively.

The stages of a butterfly: the caterpillar, the pupa, and the adult butterfly.

Butterfly

The stages of a butterfly: the caterpillar, the pupa, and the adult butterfly.

The dorsal view of the larva of the Tawny Emperor (Asterocampa clyton), a brush-footed butterfly.

Emperor Butterfly Larva

The dorsal view of the larva of the Tawny Emperor (Asterocampa clyton), a brush-footed butterfly.

The lateral view of the pupa of the Tawny Emperor (Asterocampa clyton), a brush-footed butterfly.

Emperor Butterfly Pupa

The lateral view of the pupa of the Tawny Emperor (Asterocampa clyton), a brush-footed butterfly.

Papilio Asterias, or Papilio Polyxenes. Bright green caterpillar with broken black bands.

Black Swallowtail Butterfly Larva

Papilio Asterias, or Papilio Polyxenes. Bright green caterpillar with broken black bands.

"It lives on the arbutus, a shrub common enough on the hills and mountains of the coast of the Mediterranean."

Larva of Charaxes Jasius About to Change to a Pupa

"It lives on the arbutus, a shrub common enough on the hills and mountains of the coast of the Mediterranean."

The male adult of the Tawny Emperor (Asterocampa clyton), a brush-footed butterfly.

Tawny Emperor

The male adult of the Tawny Emperor (Asterocampa clyton), a brush-footed butterfly.

"The <em>Erebia Euryale</em> belongs to the family of the <em>Satyridi</em>. It is found during the month of July in the Alpine regions."

Erebia Euryale

"The Erebia Euryale belongs to the family of the Satyridi. It is found during the…

A grape vine butterfly larva.

Grape Vine Butterfly Larva

A grape vine butterfly larva.

The adult or imago butterfly.

Imago Butterfly

The adult or imago butterfly.

Larva of a butterfly in caterpillar form.

Butterfly Larva

Larva of a butterfly in caterpillar form.

"Common during the months of June and July in the woods and fields."

Meadow Brown (Satyrus [Hipparchia] Janira)

"Common during the months of June and July in the woods and fields."

"Butterfly, Grub or Caterpillar, and Pupa or Chrysalis" &mdash; Goodrich, 1859

Stages of Development of a Butterfly

"Butterfly, Grub or Caterpillar, and Pupa or Chrysalis" — Goodrich, 1859

A sequenced illustration of the cabbage butterfly undergoing metamorphosis. The butterfly starts out as a caterpillar (bottom), then forms pupa to develop wings to become a butterfly.

Three Stages of Cabbage Buterfly

A sequenced illustration of the cabbage butterfly undergoing metamorphosis. The butterfly starts out…

The canker worm, which is the larva of the Anisopteryx pometaria

Canker Worm

The canker worm, which is the larva of the Anisopteryx pometaria

The larva or caterpillar of the butterfly.

Caterpillar

The larva or caterpillar of the butterfly.

A caterpillar on a branch

Caterpillar

A caterpillar on a branch

Illustration of a small caterpillar.

Caterpillar

Illustration of a small caterpillar.

Illustration of a caterpillar.

Caterpillar

Illustration of a caterpillar.

An illustration of the caterpillar of the brown-tail moth.

Brown-tail Caterpillar

An illustration of the caterpillar of the brown-tail moth.

An illustration of a fallweb worm caterpillar. Fall webworm, Hyphantria cunea, is a moth in the family Arctiidae known principally for its larval stage, where it creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. It is mainly an aesthetic pest and is not believed to harm otherwise healthy trees. It is well-known to commercial tree services and arboriculturists

Fallweb Worm Caterpillar

An illustration of a fallweb worm caterpillar. Fall webworm, Hyphantria cunea, is a moth in the family…

An illustration of a fallweb worm caterpillar. Fall webworm, Hyphantria cunea, is a moth in the family Arctiidae known principally for its larval stage, where it creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. It is mainly an aesthetic pest and is not believed to harm otherwise healthy trees. It is well-known to commercial tree services and arboriculturists

Fallweb Worm Caterpillar

An illustration of a fallweb worm caterpillar. Fall webworm, Hyphantria cunea, is a moth in the family…

An illustration of a fallweb worm caterpillar. Fall webworm, Hyphantria cunea, is a moth in the family Arctiidae known principally for its larval stage, where it creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. It is mainly an aesthetic pest and is not believed to harm otherwise healthy trees. It is well-known to commercial tree services and arboriculturists

Fallweb Worm Caterpillar

An illustration of a fallweb worm caterpillar. Fall webworm, Hyphantria cunea, is a moth in the family…

Front half of a caterpillar. Labels: a, opening air tubes, a pair of which are shown in black at the cut end.

Front Half of a Caterpillar

Front half of a caterpillar. Labels: a, opening air tubes, a pair of which are shown in black at the…

The Caterpillar of a Gypsy Moth eating a leaf.

Gypsy Moth Caterpillar

The Caterpillar of a Gypsy Moth eating a leaf.

Caterpillars are an insect that is cylinder and is divided by rings into 13 segments. The hairy caterpillar is covered in long hairs.

Hairy Caterpillar

Caterpillars are an insect that is cylinder and is divided by rings into 13 segments. The hairy caterpillar…

An illustration of a Io moth caterpillar. The io moth (Automeris io) is a very colorful North American moth in the Saturniidae family. It ranges from the southeast corner of Manitoba and in the southern extremes of Ontario, Quebec, and New Brunswick in Canada, and in the US it is found from North Dakota, South Dakota, Nebraska, Colorado, New Mexico, Texas, Utah, east of those states and down to the southern end of Florida.

Io Moth Caterpillar

An illustration of a Io moth caterpillar. The io moth (Automeris io) is a very colorful North American…

Caterpillar, larvae of the butterfly, are harmful to plants. These caterpillars sucker feet on the hinder rings of the body.

Large Cabbage Butterfly Caterpillar

Caterpillar, larvae of the butterfly, are harmful to plants. These caterpillars sucker feet on the hinder…

Lepidopterous caterpillars eat leaves of trees.

Lepidopterous Caterpillar

Lepidopterous caterpillars eat leaves of trees.

"If the guide stops a moment all the followers halt; if he continues the route, they all hasten after him; if he makes a circuit, they all make the circuit also. Should they find a branch of fresh green leaves, they immediately prepare to feast upon it; the ranks spread themselves upon it, each one touching his neighbor, so that not a part of the branch escapes their depridations." &mdash; Goodrich, 1859

Processionary Caterpillars

"If the guide stops a moment all the followers halt; if he continues the route, they all hasten after…

"If the guide stops a moment all the followers halt; if he continues the route, they all hasten after him; if he makes a circuit, they all make the circuit also. Should they find a branch of fresh green leaves, they immediately prepare to feast upon it; the ranks spread themselves upon it, each one touching his neighbor, so that not a part of the branch escapes their depridations." &mdash; Goodrich, 1859

Processionary Caterpillars

"If the guide stops a moment all the followers halt; if he continues the route, they all hasten after…

The caterpillar stage of the double-toothed prominent (Nerice bidentata) showing its serrated back.

Double-Toothed Prominent Caterpillar

The caterpillar stage of the double-toothed prominent (Nerice bidentata) showing its serrated back.

An illustration of a salt-marsh caterpillar.

Salt-marsh Caterpillar

An illustration of a salt-marsh caterpillar.

The body is cylinder and divided by rings into thirteen segments. The smooth caterpillars don't have hair.

Smooth Caterpillar

The body is cylinder and divided by rings into thirteen segments. The smooth caterpillars don't have…

An illustration of a tent caterpillar cacoon. Tent caterpillars are moderately sized species in the genus Malacosoma in the moth family Lasiocampidae. Species occur in North America, Mexico, and Eurasia. Twenty-six species have been described, six of which occur in North America. Some species are considered to have subspecies as well. Although most people consider tent caterpillars only as pests due to their habit of defoliating trees, they are among the most social of all caterpillars and exhibit many noteworthy behaviors.

Tent Caterpillar Cocoon

An illustration of a tent caterpillar cacoon. Tent caterpillars are moderately sized species in the…

An illustration of tent caterpillar eggs. Tent caterpillars are moderately sized species in the genus Malacosoma in the moth family Lasiocampidae. Species occur in North America, Mexico, and Eurasia. Twenty-six species have been described, six of which occur in North America. Some species are considered to have subspecies as well. Although most people consider tent caterpillars only as pests due to their habit of defoliating trees, they are among the most social of all caterpillars and exhibit many noteworthy behaviors.

Tent Caterpillar Eggs

An illustration of tent caterpillar eggs. Tent caterpillars are moderately sized species in the genus…

Orgyia leucostigma, the White-marked tussock moth, is a moth in the family Lymantriidae. The caterpillar is very common especially in late summer in eastern North America, as far west as Texas, Colorado, and Alberta. There are two or more generations a year in eastern North America (Wagner 2005). They overwinter in the egg stage. Eggs are laid in a single mass over the cocoon of the female, and covered in a froth (Wagner 2005). Up to 300 eggs are laid at a time. he larvae are brightly coloured, with tufts of hair-like setae. The head is bright red, the body has yellow or white stripes, with a black stripe along the middle of the back. There are bright red defensive glands on the hind end of the back. Four white toothbrush-like tufts stand out from the back, and there is a grey-brown hair pencil at the hind end. Touching the hairs will set off an allergic reaction in many humans (Wagner 2005). Young larvae skeletonize the surface of the leaf, while older larvae eat everything except the larger veins (Rose and Lindquist, 1982). They grow to about 35 mm.

White-marked Tussock Caterpillar

Orgyia leucostigma, the White-marked tussock moth, is a moth in the family Lymantriidae. The caterpillar…

An illustration of the woolly bear caterpillar.

Woolly Bear Caterpillar

An illustration of the woolly bear caterpillar.

An illustration of a yellow woolly bear caterpillar. The Yellow woolly bear caterpillar, Spilosoma virginica, is the larva of the Virginia tiger moth. It has a diet of a wide range of low-growing plants, including ground cover like grass and clover. This species tends to have two to three life cycles per year, with one hibernating for the winter in temperate climates.

Yellow Woolly Bear Caterpillar

An illustration of a yellow woolly bear caterpillar. The Yellow woolly bear caterpillar, Spilosoma virginica,…

Tent caterpillars are moderately sized species in the genus Malacosoma in the moth family Lasiocampidae. Species occur in North America, Mexico, and Eurasia. Twenty-six species have been described, six of which occur in North America. Some species are considered to have subspecies as well. Although most people consider tent caterpillars only as pests due to their habit of defoliating trees, they are among the most social of all caterpillars and exhibit many noteworthy behaviors.

Tent Caterpillars

Tent caterpillars are moderately sized species in the genus Malacosoma in the moth family Lasiocampidae.…

The pupa or chrysalis of the butterfly.

Chrysalis

The pupa or chrysalis of the butterfly.

A chrysalis structure of a butterfly or moth.

Chrysalis

A chrysalis structure of a butterfly or moth.

A chrysalis structure of a butterfly or moth.

Chrysalis

A chrysalis structure of a butterfly or moth.

A chrysalis structure of a butterfly or moth.

Chrysalis

A chrysalis structure of a butterfly or moth.

The Sphaeria Robertsii a cordycep, a parasitic fungus "growing from the caterpillar of a New Zealand moth called Hepialus verescens." -Lindley, 1853

Cordycep

The Sphaeria Robertsii a cordycep, a parasitic fungus "growing from the caterpillar of a New Zealand…

The side view of a cotton worm.

Cotton Worms

The side view of a cotton worm.

The top view of a cotton worm

Cotton Worms

The top view of a cotton worm

A name of the larvae of three species of insects.

Currant Worm

A name of the larvae of three species of insects.

A name of the larvae of three species of insects.

Currant Worm

A name of the larvae of three species of insects.

A cutworm larva.

Cutworm

A cutworm larva.

Hyphantria cunea larva

Fall Webworm

Hyphantria cunea larva

Hyphantria cunea larva

Fall Webworm

Hyphantria cunea larva

The larva of the Sciara tritici

Fungus Gnat

The larva of the Sciara tritici

Gold-tail moth is the common name of liparis auriflua. The caterpillar has three rows of tubercles along the body. It feeds chiefly on hawthorn.

Caterpillar of the Gold-Tail Moth

Gold-tail moth is the common name of liparis auriflua. The caterpillar has three rows of tubercles along…