mermithidn.adj.

Brit.

/məːˈmɪθɪd/, U.S.

/mərˈmɪθᵻd/

Origin: A borrowing from Latin. Etymon: Latin Mermithidae.

Etymology: < scientific Latin Mermithidae, family name (C. F. W. Claus Grundzüge der Zool. (ed. 4) (1880) I. 433) < Mermith- , taken as stem of Mermis , genus name (F. Dujardin 1842, in Ann. des Sci. Nat.: Zool. 18 133; < ancient Greek μέρμιθ- , μέρμις cord, of uncertain origin) + -idae (see -id suffix³). Compare German Mermithiden, plural (1880, Claus), French mermithides, plural (1884, in a translation of Claus).

Zoology.

A. n.

Any of various nematode worms belonging to or formerly included in the genus Mermis, the family Mermithidae, or the order Mermithida, whose larvae are parasites of insects.

ΚΠ

1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. at Mermithidæ Mermithid a. & n.

1924 Jrnl. Parasitol. 11 8 If in certain nemas (Mermithidae), the lateral chords and thickened parts of the cuticula are shifted slightly dorsad, this is not evidence against this conception. These Mermithids are coiled ventrally in a spiral within the host or in the soil and move very little.

1951 L. H. Hyman Invertebr. III. xiii. 276 The mermithids are parasitic in juvenile stages in invertebrates, chiefly insects.

1960 Ecology 41 481/1 The adult mermithids are free-living and occur either in aquatic habitats or in the soil.

1996 Proc. Royal Soc. B. 263 907/1 Mermithids are exceptional among parasites in that they commonly result in the formation of intersexes in their hosts.

B. adj.

Of, relating to, or designating such worms.

ΚΠ

1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. at Mermithidæ Mermithid a. & n.

1929 Science 30 Aug. 210/1 Living mermithid parasites as a controlling factor in the birth-rate and sex of certain grasshoppers.

1938 Jrnl. Econ. Entomol. 31 460/1 It is a rather common mermithid species in this country attacking grasshopper species in large numbers.

1958 Canad. Jrnl. Zool. 36 253 According to Christie..the mermithid parasites found most commonly in grasshoppers are Agamermis decaudata..and mermis subnigrescens.

1993 Ecology 74 1839/1 Some females [sc. mayflies]..were parasitized by a mermithid nematode.

This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mermithid
释义	mermithidn.adj. Brit. /məːˈmɪθɪd/, U.S. /mərˈmɪθᵻd/ Origin: A borrowing from Latin. Etymon: Latin Mermithidae. Etymology: < scientific Latin Mermithidae, family name (C. F. W. Claus Grundzüge der Zool. (ed. 4) (1880) I. 433) < Mermith- , taken as stem of Mermis , genus name (F. Dujardin 1842, in Ann. des Sci. Nat.: Zool. 18 133; < ancient Greek μέρμιθ- , μέρμις cord, of uncertain origin) + -idae (see -id suffix³). Compare German Mermithiden, plural (1880, Claus), French mermithides, plural (1884, in a translation of Claus). Zoology. A. n. Any of various nematode worms belonging to or formerly included in the genus Mermis, the family Mermithidae, or the order Mermithida, whose larvae are parasites of insects. ΚΠ 1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. at Mermithidæ Mermithid a. & n. 1924 Jrnl. Parasitol. 11 8 If in certain nemas (Mermithidae), the lateral chords and thickened parts of the cuticula are shifted slightly dorsad, this is not evidence against this conception. These Mermithids are coiled ventrally in a spiral within the host or in the soil and move very little. 1951 L. H. Hyman Invertebr. III. xiii. 276 The mermithids are parasitic in juvenile stages in invertebrates, chiefly insects. 1960 Ecology 41 481/1 The adult mermithids are free-living and occur either in aquatic habitats or in the soil. 1996 Proc. Royal Soc. B. 263 907/1 Mermithids are exceptional among parasites in that they commonly result in the formation of intersexes in their hosts. B. adj. Of, relating to, or designating such worms. ΚΠ 1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. at Mermithidæ Mermithid a. & n. 1929 Science 30 Aug. 210/1 Living mermithid parasites as a controlling factor in the birth-rate and sex of certain grasshoppers. 1938 Jrnl. Econ. Entomol. 31 460/1 It is a rather common mermithid species in this country attacking grasshopper species in large numbers. 1958 Canad. Jrnl. Zool. 36 253 According to Christie..the mermithid parasites found most commonly in grasshoppers are Agamermis decaudata..and mermis subnigrescens. 1993 Ecology 74 1839/1 Some females [sc. mayflies]..were parasitized by a mermithid nematode. This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.adj.1895
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