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Kinds of Caterpillars

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There are hundreds of caterpillar species that can cause damage to your garden plants and trees. Below are just some of the caterpillars you may find in your gardens, depending on where you live.

Tussock — larva of a tussock moth

douglas fir tussock larvaedouglas-fir tussock moth male (left) female (right)
Douglas-fir Tussock larvae, Photo from USDA Forest Service - Rocky Mountain Region Archive, USDA Forest Service, Bugwood.orgDouglas-fir Tussock moth male (left) female (right), Photo from USDA Forest Service - Rocky Mountain Region Archive, USDA Forest Service, Bugwood.org


Cankerworm — green caterpillar of a geometrid moth; pest of various fruit and shade trees

Measuring worm, Inchworm, Looper — small hairless caterpillar having legs on only its front and rear segments; mostly larvae of moths of the family Geometridae

geometrid moth larvageometrid moth
Geometrid moth larva, Photo from Connecticut Agricultural Experiment Station Archive, Connecticut Agricultural Experiment Station, Bugwood.orgGeometrid moth female, Photo from USDA Forest Service - Ogden Archive, USDA Forest Service, Bugwood.org


Potato tuberworm, Phthorimaea operculella — larva of the potato moth; mines into leaves and stems of potatoes and tobacco

cabbage looper larvacabbage looper
Cabbage looper larva, Photo from Clemson University - USDA Cooperative Extension Slide Series, Bugwood.orgCabbage looper, Photo from Joseph Berger, Bugwood.org


Cutworm — North American moth whose larvae feed on young plant stems cutting them off at the ground

cutworms larvacutworm larva and adult graphic
Cutworm larva, Photo from R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company, Bugwood.orgCutworm larva and adult graphic, Art Cushman, USDA; Property of the Smithsonian Institution, Department of Entomology, Bugwood.org


Armyworm, army worm, Pseudaletia unipuncta —noctuid moth larvae that travel in multitudes destroying especially grass and grain

Beet armyworm, Spodoptera exigua — moth larva that eats foliage of beets and vegetables

Fall armyworm, Spodoptera frugiperda — larva of a migratory American noctuid moth; destroys grasses and small grains

Tobacco hornworm, tomato worm, Manduca sexta — large green white-striped hawkmoth larva that feeds on tobacco and related plants; similar to tomato hornworm

Tomato hornworm, potato worm, Manduca quinquemaculata — large green white-striped hawkmoth larva that feeds on tomato and potato plants; similar to tobacco hornworm silkworm — hairless, white of the Chinese silkworm moth; source of most commercial silk

Silkworm, giant silkworm, wild wilkworm — larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon

Tent — the larvae of moths that build communal silken webs in orchard and shade trees

Lappet — larva of a lappet moth webworm — several gregarious moth larvae that spin webs over foliage on which they feed

Corn borer, Pyrausta nubilalis — larva of the European corn borer moth; a serious pest of maize

Bollworm — any of various moths that destroy cotton bolls

Cabbageworm, Pieris rapae — toxic green larva of a cabbage butterfly

Woolly bear, of numerous moths, characterized by a dense coat of woolly hairs; feeds on plants

From Caterpillar to Organic Gardening Glossary