单词 | boatfly |
释义 | boatflyn. Chiefly British. Now rare. A predatory water boatman of the genus Notonecta (family Notonectidae), which swims on its back using its long hind legs as oars. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > order Hemiptera > suborder Heteroptera > family Notonectidae > member of Notonecta1658 boatfly1681 water boatman1815 boatman1841 back-swimmer1862 notonectid1908 1681 N. Grew Musæum Regalis Societatis i. §vii. ii. 171 The Boat-Fly. Notonecta. Described by Moufet, but very briefly. 1721 R. Bradley Philos. Acct. Wks. Nature 147 Water Beetles of several kinds, Boat-Flies, a Monoculus, and Cramp Spider. 1753 Chambers's Cycl. Suppl. Boat-fly, a water-insect..he swims, says Moufet, on his back. 1855 W. S. Dallas in Orr's Circle Sci.: Org. Nature II. 351 Hence the Notonecta..is generally known as the boat-fly. 1860 P. H. Gosse Romance Nat. Hist. 15 The merry little boatflies are frisking about, backs downwards, using their oar-like hind feet as paddles. 1914 St. Nicholas 79/2 The leg of the boat-fly is so densely clothed with long hairs as to be feather-like. 1959 T. R. E. Southwood & D. Leston Land & Water Bugs Brit. Isles xiii. 368 The wherry-men, backswimmers or boat-flies, as Notonectidae have been called, are among the most conspicuous insects in any pond in Britain. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < n.1681 |
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