casewormn.

Brit.

/ˈkeɪswəːm/, U.S.

/ˈkeɪsˌwərm/

Forms: see case n.² and worm n.

Origin: Formed within English, by compounding. Etymons: case n.², worm n.

Etymology: < case n.² + worm n.In senses 1 and 2 so called with reference to the protective cases which they form. With sense 1 compare caddis-worm n. at caddis n.² Compounds and earlier codworm n.¹ In sense 3 after German Hülsenwurm (1819; 1903 in the passage translated in quot. 1906; < Hülsen- , combining form of Hülse husk, case (see hull n.¹) + Wurm worm n.), itself after scientific Latin Echinococcus (see echinococcus n. at echino- comb. form ).

1. = caddis-worm n. at caddis n.² Compounds. Now rare.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > division Endopterygota or Metabola (winged) > [noun] > order Trichoptera > family Phryganeidae or genus Phryganea > member of (caddis-fly) > larva of

codwormc1450

casewormc1565

codbait1620

caddis-worm1627

straw-bait1632

caddis1653

cockspur1653

piper1653

ruffcoat1653

straw-worm1653

cadew1668

cad1674

caddis-bait1833

c1565 W. Turner Hunting of Fox & Wolfe (new ed.) sig. B.iiii^v It is not againste nature that one beaste should go out of kind into another. Pismires go out of kind, in Flies: Casewormes, or Codwormes become Flies, Colewormes growe into Butterflies.

1606 S. Gardiner Bk. Angling 95 The case-worme, the dewe-worme, the gentile.

1689 J. Chetham Angler's Vade Mecum (ed. 2) iv. 40 Cod-bait, Cadis-worm, Cad-bait, or Case-worm Are all one and the same Bait.

1724 J. Saunders Compleat Fisherman 230 The Cod Bait, Cad Bait, Case Worm, Straw Worm, Ruffcoat, Cadis, are all the same Worm, and is in common call'd, Cadis.

1836–9 Todd's Cycl. Anat. & Physiol. II. 865/1 The larvæ, the caddis or case-worms, are aquatic, and reside in little cases which they carry about with them.

1869 Amer. Naturalist 3 160 Every dabbler in pools is acquainted with the singular Caddis or Case-worms, which walk over the bottom like moving sticks, or a mass of animated sawdust, or minute pebbles when the bottom is composed of either of those substances.

1926 E. O. Essig Insects Western N. Amer. 172 The larvae are..known as case worms..to many country boys as fish bait.

2. More fully paddy caseworm, rice caseworm. The aquatic caterpillar of the pyralid moth Nymphula depunctalis, which is a major pest of rice in South and South-East Asia, feeding on leaves and forming a protective case from their fragments.

ΚΠ

1902 A. Lehmann Notes Entomol. (Dept. Agric. Mysore State Bull. No. 1) 2 (heading) The Case-Worm.—(Nymphula depunctalis).

1914 T. B. Fletcher Some South Indian Insects xi. 87 The converse of irrigation, Draining, is used to control the Paddy Caseworm (Nymphula depunctalis) whose larva is aquatic in habit.

1929 R. A. Wardle Probl. Appl. Entomol. xi. 256 The chief insect pests of rice in the area are certain Pyralid boring larvae..; certain Pyralid leaf-rolling caterpillars, notably the aquatic Rice Caseworm Nymphula depunctalis and the Rice Leaf-roller Cnaphalocrocis medinalis [etc.].

1984 Crop Protection 3 190 Chelated metal complexes could impart resistance in rice plants to insect pests like stem borer, gall midge, and caseworm.

2006 Jrnl. Food Composition & Anal. 19 749/2 Some fish species contribute to the biological control of rice pests such as apple snails, stem borers or caseworms.

3. A tapeworm of the genus Echinococcus, a hydatid (cf. cyst-worm at cyst n. Compounds). rare (disused).

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Cestodes > member of

joint-worm1706

taenia1706

tapeworm1752

cestoid1837

lark-worm?1842

cestode1864

caseworm1906

1906 P. Falcke tr. M. Braun Animal Parasites Man 252 (heading) Structure and Development of Echinococcus (Caseworm [Ger. Hülsenwurm]).

Compounds

caseworm fly n. now rare = caddis-fly n. at caddis n.² Compounds.

ΘΚΠ

mayfly1640

water moth1668

trout-fly1746

cadew1775

caddis-fly1787

caseworm fly1828

caperer1856

1828 W. Kirby & W. Spence Introd. Entomol. (ed. 5) II. xxiii. 301 I remember one evening attending for some time to the proceedings of one of those caseworm-flies (Leptocerus), that are remarkable..for their long antennæ.

1857 Brit. Friend 15 189/2 This curious insect [sc. the caddis worm] is the larvæ [sic] of the four-winged fly, of the order Trichoptera, called the ‘caseworm fly’.

1887 J. Periam Amer. Encycl. Agric. 722/2 Phryganidæ, tricopterous [sic] insects, case-worm flies.

1959 A. Peterson Entomol. Techniques (ed. 9) 7 Trichoptera. Caddisflies, sedgeflies, caseworm flies.

This entry has been updated (OED Third Edition, September 2014; most recently modified version published online June 2022).

单词	caseworm
释义	casewormn. Brit. /ˈkeɪswəːm/, U.S. /ˈkeɪsˌwərm/ Forms: see case n.² and worm n. Origin: Formed within English, by compounding. Etymons: case n.², worm n. Etymology: < case n.² + worm n.In senses 1 and 2 so called with reference to the protective cases which they form. With sense 1 compare caddis-worm n. at caddis n.² Compounds and earlier codworm n.¹ In sense 3 after German Hülsenwurm (1819; 1903 in the passage translated in quot. 1906; < Hülsen- , combining form of Hülse husk, case (see hull n.¹) + Wurm worm n.), itself after scientific Latin Echinococcus (see echinococcus n. at echino- comb. form ). 1. = caddis-worm n. at caddis n.² Compounds. Now rare. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > division Endopterygota or Metabola (winged) > [noun] > order Trichoptera > family Phryganeidae or genus Phryganea > member of (caddis-fly) > larva of codwormc1450 casewormc1565 codbait1620 caddis-worm1627 straw-bait1632 caddis1653 cockspur1653 piper1653 ruffcoat1653 straw-worm1653 cadew1668 cad1674 caddis-bait1833 c1565 W. Turner Hunting of Fox & Wolfe (new ed.) sig. B.iiii^v It is not againste nature that one beaste should go out of kind into another. Pismires go out of kind, in Flies: Casewormes, or Codwormes become Flies, Colewormes growe into Butterflies. 1606 S. Gardiner Bk. Angling 95 The case-worme, the dewe-worme, the gentile. 1689 J. Chetham Angler's Vade Mecum (ed. 2) iv. 40 Cod-bait, Cadis-worm, Cad-bait, or Case-worm Are all one and the same Bait. 1724 J. Saunders Compleat Fisherman 230 The Cod Bait, Cad Bait, Case Worm, Straw Worm, Ruffcoat, Cadis, are all the same Worm, and is in common call'd, Cadis. 1836–9 Todd's Cycl. Anat. & Physiol. II. 865/1 The larvæ, the caddis or case-worms, are aquatic, and reside in little cases which they carry about with them. 1869 Amer. Naturalist 3 160 Every dabbler in pools is acquainted with the singular Caddis or Case-worms, which walk over the bottom like moving sticks, or a mass of animated sawdust, or minute pebbles when the bottom is composed of either of those substances. 1926 E. O. Essig Insects Western N. Amer. 172 The larvae are..known as case worms..to many country boys as fish bait. 2. More fully paddy caseworm, rice caseworm. The aquatic caterpillar of the pyralid moth Nymphula depunctalis, which is a major pest of rice in South and South-East Asia, feeding on leaves and forming a protective case from their fragments. ΚΠ 1902 A. Lehmann Notes Entomol. (Dept. Agric. Mysore State Bull. No. 1) 2 (heading) The Case-Worm.—(Nymphula depunctalis). 1914 T. B. Fletcher Some South Indian Insects xi. 87 The converse of irrigation, Draining, is used to control the Paddy Caseworm (Nymphula depunctalis) whose larva is aquatic in habit. 1929 R. A. Wardle Probl. Appl. Entomol. xi. 256 The chief insect pests of rice in the area are certain Pyralid boring larvae..; certain Pyralid leaf-rolling caterpillars, notably the aquatic Rice Caseworm Nymphula depunctalis and the Rice Leaf-roller Cnaphalocrocis medinalis [etc.]. 1984 Crop Protection 3 190 Chelated metal complexes could impart resistance in rice plants to insect pests like stem borer, gall midge, and caseworm. 2006 Jrnl. Food Composition & Anal. 19 749/2 Some fish species contribute to the biological control of rice pests such as apple snails, stem borers or caseworms. 3. A tapeworm of the genus Echinococcus, a hydatid (cf. cyst-worm at cyst n. Compounds). rare (disused). ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Cestodes > member of joint-worm1706 taenia1706 tapeworm1752 cestoid1837 lark-worm?1842 cestode1864 caseworm1906 1906 P. Falcke tr. M. Braun Animal Parasites Man 252 (heading) Structure and Development of Echinococcus (Caseworm [Ger. Hülsenwurm]). Compounds caseworm fly n. now rare = caddis-fly n. at caddis n.² Compounds. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > division Endopterygota or Metabola (winged) > [noun] > order Trichoptera > family Phryganeidae or genus Phryganea > member of (caddis-fly) mayfly1640 water moth1668 trout-fly1746 cadew1775 caddis-fly1787 caseworm fly1828 caperer1856 1828 W. Kirby & W. Spence Introd. Entomol. (ed. 5) II. xxiii. 301 I remember one evening attending for some time to the proceedings of one of those caseworm-flies (Leptocerus), that are remarkable..for their long antennæ. 1857 Brit. Friend 15 189/2 This curious insect [sc. the caddis worm] is the larvæ [sic] of the four-winged fly, of the order Trichoptera, called the ‘caseworm fly’. 1887 J. Periam Amer. Encycl. Agric. 722/2 Phryganidæ, tricopterous [sic] insects, case-worm flies. 1959 A. Peterson Entomol. Techniques (ed. 9) 7 Trichoptera. Caddisflies, sedgeflies, caseworm flies. This entry has been updated (OED Third Edition, September 2014; most recently modified version published online June 2022). < n.c1565
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