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Polyphemus moth caterpillar.

Caterpillars in Your Yard and Garden, Page 34

Reviewed

Polyphemus moth caterpillars (Antheraea polyphemus) are present from May to October. They produce multiple generations per year.

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Cover art for publication G7360

Boxelder Bug

Reviewed

Richard Houseman
State entomology extension specialist

Bruce Barrett
State entomology extension specialist

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Cover art for publication G6030

Home Fruit Production: Peach and Nectarine Culture

Revised

Peach and nectarine trees require considerable care, so cultivars must be carefully selected. Get tips for growing these fruits — including how many trees to plant, how to train and prune them, and how much to water them — in this guide.

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Banded woollybear caterpillar.

Caterpillars in Your Yard and Garden, Page 05

Reviewed

Banded woollybear caterpillars (Pyrrharctia isabella) are present in the spring and from late summer to late fall. They produce one to two generations per year.

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Roseslug caterpillars.

Caterpillars in Your Yard and Garden, Page 37

Reviewed

Roseslug caterpillars (Endelomyia aethiops) are present in summer. They produce one generation per year.

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Catalpa sphinx caterpillar.

Caterpillars in Your Yard and Garden, Page 08

Reviewed

Catalpa sphinx caterpillars (Ceratomia catalpae) are present from early summer to early fall. They produce multiple generations per year.

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Spicebush swallowtail caterpillar.

Caterpillars in Your Yard and Garden, Page 40

Reviewed

Spicebush swallowtail caterpillars (Papilio troilus) are present from May to October. They produce two to three generations per year.

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Stinging rose caterpillar.

Caterpillars in Your Yard and Garden, Page 43

Reviewed

Stinging rose caterpillars (Parasa indetermina) are present in summer and fall. They produce one to two generations per year.

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Crinkled flannel moths caterpillar.

Caterpillars in Your Yard and Garden, Page 11

Reviewed

Crinkled flannel moths caterpillars (Lagoa crispata) are present in summer and fall. They produce two generations per year.

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Tomato fruitworm caterpillar.

Caterpillars in Your Yard and Garden, Page 46

Reviewed

Tomato fruitworm, corn earworm caterpillars (Helicoverpa zea) are present in mid-June. They produce two generations per year.

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Eight-spotted forester caterpillar.

Caterpillars in Your Yard and Garden, Page 14

Reviewed

Eight-spotted forester caterpillars (Alypia octomaculata) are present from spring to early fall. They produce one to two generations per year.

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Variegated fritillary caterpillar.

Caterpillars in Your Yard and Garden, Page 49

Reviewed

Variegated fritillary caterpillars (Euptoieta claudia) are present from June to October. They produce multiple generations per year.

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Fall webworm caterpillars.

Caterpillars in Your Yard and Garden, Page 17

Reviewed

Fall webworm caterpillars (Hyphantria cunea) are present from spring to fall. They produce two to three generations per year.

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Whitelined sphinx caterpillar.

Caterpillars in Your Yard and Garden, Page 52

Reviewed

Whitelined sphinx caterpillars (Hyles lineata) are present from spring to early fall. They produce one to two generations per year.

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Green cloverworm caterpillar.

Caterpillars in Your Yard and Garden, Page 20

Reviewed

Green cloverworm caterpillars (Hypena scabra) are present from summer to fall. They produce three generations per year.

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Yellownecked caterpillars.

Caterpillars in Your Yard and Garden, Page 55

Reviewed

Yellownecked caterpillars (Datana ministra) are present from July to September. They produce one generation per year.

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Hag moths caterpillars.

Caterpillars in Your Yard and Garden, Page 23

Reviewed

Hag moths caterpillars (Phobetron pithecium) are present in summer and fall. They produce one generation per year.

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Imported cabbageworm caterpillar.

Caterpillars in Your Yard and Garden, Page 26

Reviewed

Imported cabbageworm caterpillars (Pieris rapae) are present from early spring to summer. They produce multiple generations per year.

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Monarch caterpillar.

Caterpillars in Your Yard and Garden, Page 29

Reviewed

Monarch caterpillars (Danaus plexippus) are present in summer months. They produce multiple generations per year.

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Parsleyworm caterpillar.

Caterpillars in Your Yard and Garden, Page 32

Reviewed

Parsleyworm caterpillars (Papilio polyxenes) are present from May to October. They produce three generations per year.

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Cover art for publication G6026

Disease-Resistant Apple Cultivars

Revised

Michele Warmund
Fruit State Specialist
Division of Plant Sciences

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Armyworm caterpillar.

Caterpillars in Your Yard and Garden, Page 03

Reviewed

Armyworm caterpillars (Pseudaletia unipunctata) are present from early summer to fall. They produce three generations per year.

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Poplar tentmaker caterpillars.

Caterpillars in Your Yard and Garden, Page 35

Reviewed

Poplar tentmaker caterpillars (Clostera inclusa) are present from spring to fall. They produce two generations per year.

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Black cutworm caterpillar.

Caterpillars in Your Yard and Garden, Page 06

Reviewed

Black cutworm caterpillars (Agrotis ipsilon) are present from late spring to fall. They produce one to three generations per year.

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Silverspotted skipper caterpillar.

Caterpillars in Your Yard and Garden, Page 38

Reviewed

Silverspotted skipper caterpillars (Epargyreus clarus) are present in summer and fall. They produce two to three generations per year.

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