单词 | nasus |
释义 | nasusn. Entomology. 1. = clypeus n. rare. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > head > mouth-parts or trophi > clypeus nasus1826 clypeus1831 anteclypeus1883 1826 W. Kirby & W. Spence Introd. Entomol. III. xxxiv. 475 I shall consider the parts of the face..beginning with the nasus or nose. Fabricius has denominated this part the clypeus, in which he has been followed by most modern Entomologists. You may therefore think, perhaps, that I have unnecessarily altered a term so generally adopted. 1900 N.E.D. at Included ppl. a. Entom. Said of a clypeus or nasus. 2. An elongated rostrum on the head of soldier termites of the subfamily Nasutiterminae, through which a sticky defensive fluid can be sprayed. ΚΠ 1906 J. B. Smith Explan. Terms Entomol. 87 Nasus, anterior termination of the face in certain Hymenoptera. 1970 K. Krishna & F. M. Weesner Biol. Termites II. iv. 147 The development of a snout or nasus, with a gland opening at its end. 1983 Sci. Amer. Aug. 72/3 The soldiers of some 500 species in one abundant pantropical termite subfamily rely on a modified forehead with a nasus. 1997 Trop. Zool. 10 205 The diagnostic characters for the genus are reviewed and discussed, and the upturned nasus is excluded because it is not present in the soldier of every species. This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022). < |
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