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Larvae of butterflies, moths, and sawflies are called caterpillars.

Larvae of a Rose Leaf Sawfly

Larvae of butterflies, moths, and sawflies are called caterpillars.

Satin moth is the common name of liparis salicis. The caterpillar bears a row of white spots down the middle of the back. This row is bordered on each side by a broad black stripe. The caterpillars usually feed on poplars and willows.

Caterpillar of the Satin Moth

Satin moth is the common name of liparis salicis. The caterpillar bears a row of white spots down the…

"This important insect is a native of the north of China; and a great portion of the supplies of silk for Europe and America are still derived from that country." — Goodrich, 1859

Silkworm Moth, Caterpillar, and Chrysalis

"This important insect is a native of the north of China; and a great portion of the supplies of silk…

The front wings are the small ermine moth are white or gray with numerous small black dots. The lower wings are darker and uniform. The small moths usually do harm to trees and shrubs.

Small Ermine Moth and Web of Caterpillars

The front wings are the small ermine moth are white or gray with numerous small black dots. The lower…

The caterpillar is dark green with a line of yellow and yellow spots down the sides. The caterpillar is full grown after three weeks.

Small White Cabbage Butterfly and Caterpillar

The caterpillar is dark green with a line of yellow and yellow spots down the sides. The caterpillar…

Pictured is a tent caterpillar. It is the larva of a moth or butterfly.

Tent Caterpillar

Pictured is a tent caterpillar. It is the larva of a moth or butterfly.

Turnip moth is the common name of agrotis segetum. The caterpillars live on turnip roots, harming the plants.

Caterpillar of Turnip Moth

Turnip moth is the common name of agrotis segetum. The caterpillars live on turnip roots, harming the…

Vapourer moth is the common name of orgyia antiqua. The larva is covered with yellowish hairs. The larva may reach two inches in length.

Larva of Vapourer Moth

Vapourer moth is the common name of orgyia antiqua. The larva is covered with yellowish hairs. The larva…

An illustration of warblers feeding on the young caterpillars of the Gipsy moth.

Warblers Eating Caterpillars

An illustration of warblers feeding on the young caterpillars of the Gipsy moth.

The Fall Webworm and its stages of life, including the caterpillar, pupae, and moth.

Fall Webworm

The Fall Webworm and its stages of life, including the caterpillar, pupae, and moth.

The Fall Army Worm (Spodoptera frugipeda) is part of the order of Lepidoptera and are the caterpillar life stage of a moth. They are native to tropical regions of the western hemisphere, from the United States to Argentina. They are regarded as pests and are known to wreak havoc with crops if left to multiply. Their name is derived from their feeding habits. The army worms are some of the most destructive pests to agricultural crop in the world. Once the food supply is exhausted the entire "army" of worms will move to the next available food source.

Army Worm

The Fall Army Worm (Spodoptera frugipeda) is part of the order of Lepidoptera and are the caterpillar…

The larvae of a clover hay worm.

Clover Hay Worm

The larvae of a clover hay worm.

The larvae of a clover hay worm.

Clover Hay Worm

The larvae of a clover hay worm.

The cocoon of a clover hay worm.

Clover Hay Worm

The cocoon of a clover hay worm.

The chrysalis of a clover hay worm.

Clover Hay Worm

The chrysalis of a clover hay worm.

A larva that feeds mostly on grape vines.

Grape Vine Worm

A larva that feeds mostly on grape vines.

A full grown cotton worm. Usually feeds on the cotton plant.

Cotton Worm

A full grown cotton worm. Usually feeds on the cotton plant.

A full grown cotton worm. Usually feeds on the cotton plant.

Cotton Worm

A full grown cotton worm. Usually feeds on the cotton plant.