单词 | rhinarium |
释义 | rhinariumn. 1. Entomology. a. In the mouthparts of some insects: the lower section of a divided clypeus, situated between the postclypeus and the labrum; the anteclypeus. Now rare.Originally supposed by Kirby to be associated with the sense of smell. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > head > mouth-parts or trophi > space between nasus and lip rhinarium1823 nostril-piece1826 1823 W. Kirby in Ann. Philos. New Ser. 6 422 I call the part often conspicuous in this tribe [sc. melolonthid beetles], intervening between the nasus and the labrum, Rhinarium. 1826 W. Kirby & W. Spence Introd. Entomol. III. xxxiv. 455 If you take the common dragon-fly (Æshna viatica), you will find that the under side of..the rhinarium is lined with a quadrangular fleshy cushion. 1854 Proc. Acad. Nat. Sci. Philadelphia 1852–3 6 275 [Necrophorus marginatus.] The rhinarium is red and triangular. 1931 Trans. Amer. Entomol. Soc. 8 226 Nasus..in lateral view forming an angle of more than 90 with the rhinarium (anteclypeus). b. In certain insects: a flattened olfactory organ situated on an antenna.Rhinaria of various kinds are present in aphids and psyllids, and in some parasitic hymenopterans. ΚΠ 1933 Stylops 2 201 Antennae with about 8 rhinaria on basal half. 1961 Florida Entomologist 44 181 The structure of the underside of the head, presence of rhinaria with a hairy fringe in alatae, [etc.]..clearly define the genus as nearly related to Baizongia. 2001 P. Harrewijn et al. Nat. Terpenoids as Messengers iv. 124 The primary rhinaria are receptors of plant odours and alarm pheromones, whilst the secondary rhinaria of males are the main receptors of sex pheromones. 2. Zoology. A hairless moist area at the tip of the nose in many mammals. ΘΚΠ the world > animals > mammals > [noun] > parts of > (parts of) nose promuscis1600 muffle1601 proboscis1607 proboss1659 rhinarium1838 1838 Penny Cycl. XI. 234/1 Horns, in both sexes, persistent.., simple, covered with skin. Rhinaria, none. 1900 W. L. Sclater Fauna S. Afr. I. 156 Cephalophinæ. Antelopes of small or medium size; rhinarium well developed. 1947 J. Stevenson-Hamilton Wild Life S. Afr. xiv. 102 The grey rhebuck..has woolly fur, a large rhinarium, and no gland patches under the ears. 1994 Nature 17 Mar. 198/1 The remarkable amount of cortical space devoted to the rhinarium of pigs, the lips of sheep and goats, [etc.]. 2007 Mammalian Biol. 72 176/1 These five species..are all strepsirhine primates with a naked rhinarium. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1823 |
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