Nepan.

Brit.

/ˈnɛpə/, U.S.

/ˈnɛpə/

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

Etymology: < scientific Latin Nepa (Linnaeus Systema Naturæ (1735) f. 8) < classical Latin nepa a kind of scorpion, given as an African word by ancient etymologists.

Entomology.

A genus of predatory aquatic bugs (family Nepidae), having a flattened, oval body, raptorial front legs, and a thin, tail-like breathing tube; (also nepa) a bug of this genus, a water scorpion.Valid publication of the genus name: Linnaeus Systema Naturæ (ed. 10, 1758) I. 440.

ΚΠ

1752 J. Hill Gen. Nat. Hist. III. 64 The rostrum, or snout, of the Nepa is inflected.

1806 G. Shaw Gen. Zool. VI. i. 158 Nepa cimicoides..has, at first view, more the aspect of a Notonecta than a Nepa.

1840 Philos. Trans. (Royal Soc.) 9 576 I have found in certain Hemiptera, as in Nepa for instance, a canal leading down from the terminal chamber into the egg-tube.

1896 J. W. Kirkaldy & E. C. Pollard tr. J. E. V. Boas Text Bk. Zool. 260 The Water-scorpion (Nepa)..a flat, darkly-coloured insect, which is very common, crawling about at the bottom of fresh water.

1938 A. D. Imms Gen. Textbk. Entomol. (ed. 4) iii. 371 Nepa differs in several important characters from Ranatra: the respiratory tube is short and among other features the eggs (in N. cinerea) are deposited in chains.

1996 E. Afr. Med. Jrnl. 73 3 Other predators of mosquito larvae encountered included..Nepa species.., Hydrometra, Culex tigripes, Belostoma and Lispa.

This is a new entry (OED Third Edition, September 2003; most recently modified version published online March 2022).

单词	nepa
释义	Nepan. Brit. /ˈnɛpə/, U.S. /ˈnɛpə/ Origin: A borrowing from Latin. Etymon: Latin Nepa. Etymology: < scientific Latin Nepa (Linnaeus Systema Naturæ (1735) f. 8) < classical Latin nepa a kind of scorpion, given as an African word by ancient etymologists. Entomology. A genus of predatory aquatic bugs (family Nepidae), having a flattened, oval body, raptorial front legs, and a thin, tail-like breathing tube; (also nepa) a bug of this genus, a water scorpion.Valid publication of the genus name: Linnaeus Systema Naturæ (ed. 10, 1758) I. 440. ΚΠ 1752 J. Hill Gen. Nat. Hist. III. 64 The rostrum, or snout, of the Nepa is inflected. 1806 G. Shaw Gen. Zool. VI. i. 158 Nepa cimicoides..has, at first view, more the aspect of a Notonecta than a Nepa. 1840 Philos. Trans. (Royal Soc.) 9 576 I have found in certain Hemiptera, as in Nepa for instance, a canal leading down from the terminal chamber into the egg-tube. 1896 J. W. Kirkaldy & E. C. Pollard tr. J. E. V. Boas Text Bk. Zool. 260 The Water-scorpion (Nepa)..a flat, darkly-coloured insect, which is very common, crawling about at the bottom of fresh water. 1938 A. D. Imms Gen. Textbk. Entomol. (ed. 4) iii. 371 Nepa differs in several important characters from Ranatra: the respiratory tube is short and among other features the eggs (in N. cinerea) are deposited in chains. 1996 E. Afr. Med. Jrnl. 73 3 Other predators of mosquito larvae encountered included..Nepa species.., Hydrometra, Culex tigripes, Belostoma and Lispa. This is a new entry (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1752
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