inchworm
inchworm. (Image by Thegreenj, GFDL)

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inchworm

inchworm, name for the larvae of moths of the family Geometridae, a large, cosmopolitan group with over 1,200 species indigenous to North America. Also called measuring worms, spanworms, and loopers, inchworms lack appendages in the middle portion of their body, causing them to have a characteristic looping gait. They have three pairs of true legs at the front end, like other caterpillars, but only two or three pairs of prolegs (larval abdominal appendages), located at the rear end. An inchworm moves by drawing its hind end forward while holding on with the front legs, then advancing its front section while holding on with the prolegs. Inchworms have smooth, hairless bodies, usually about 1 in. (2.5 cm) long. They are green, brown, or black and in many species have irregular projections that cause them to resemble the twigs of the trees they feed on. Many inchworms, when disturbed, stand erect and motionless on the prolegs, increasing the resemblance. Certain destructive inchworms are called cankerworms. Adult geometrid moths range in wingspread from 3/8 in. to 2 in. (9.5–51 mm). Most are gray or brown with fine patterns and are well camouflaged on trees. The cabbage looper is not an inchworm, but a caterpillar of a different family. Inchworms are classified in the phylum Arthropoda, class Insecta, order Lepidoptera, family Geometridae.

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"inchworm." The Columbia Encyclopedia, 6th ed.. 2016. Encyclopedia.com. 30 Jun. 2016 <http://www.encyclopedia.com>.

"inchworm." The Columbia Encyclopedia, 6th ed.. 2016. Encyclopedia.com. (June 30, 2016). http://www.encyclopedia.com/doc/1E1-inchworm.html

"inchworm." The Columbia Encyclopedia, 6th ed.. 2016. Retrieved June 30, 2016 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-inchworm.html

looper

loop·er / ˈloōpər/ • n. 1. another term for inchworm. 2. Baseball a fly ball that becomes a hit by dropping out of the reach of the infielders.

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"looper." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 30 Jun. 2016 <http://www.encyclopedia.com>.

"looper." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (June 30, 2016). http://www.encyclopedia.com/doc/1O999-looper.html

"looper." The Oxford Pocket Dictionary of Current English. 2009. Retrieved June 30, 2016 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-looper.html

looper

looper, name for caterpillars that move with a looping motion, including the inchworm and the cabbage looper.

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"looper." The Columbia Encyclopedia, 6th ed.. 2016. Encyclopedia.com. 30 Jun. 2016 <http://www.encyclopedia.com>.

"looper." The Columbia Encyclopedia, 6th ed.. 2016. Encyclopedia.com. (June 30, 2016). http://www.encyclopedia.com/doc/1E1-X-looper.html

"looper." The Columbia Encyclopedia, 6th ed.. 2016. Retrieved June 30, 2016 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-looper.html

inchworm

inchwormaffirm, berm, confirm, firm, germ, herm, midterm, perm, sperm, squirm, term, therm, worm •pachyderm • echinoderm •wheatgerm • endosperm •gymnosperm • isogeotherm •ragworm • flatworm • threadworm •tapeworm •eelworm, mealworm •silkworm • ringworm • inchworm •blindworm • lobworm • roundworm •slow-worm • screw worm •woodworm •bookworm, hookworm •bloodworm • lugworm • lungworm •earthworm

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"inchworm." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 30 Jun. 2016 <http://www.encyclopedia.com>.

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"inchworm." Oxford Dictionary of Rhymes. 2007. Retrieved June 30, 2016 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-inchworm.html

looper

loopercoper, doper, eloper, Europa, groper, hoper, L-dopa, moper, no-hoper, opah, toper •interloper •blooper, cooper, Cowper, duper, grouper, Hooper, looper, pea-souper, pupa, scooper, snooper, stupa, stupor, super, trooper, trouper, whooper •pooper-scooper • party-pooper •paratrooper • mea culpa • chutzpah •crupper, cuppa, scupper, supper, upper •gulper, kalpa, pulper •bumper, dumper, gazumper, jumper, lumper, stumper, thumper •showjumper • diaper • galloper •developer •scalloper, walloper •chirper, sherpa, usurper

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"looper." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 30 Jun. 2016 <http://www.encyclopedia.com>.

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"looper." Oxford Dictionary of Rhymes. 2007. Retrieved June 30, 2016 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-looper.html

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