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单词 pela wax scale
释义

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pela wax scale
A white wax obtained from the secretions of a Chinese scale insect, Ericerus pela (family Coccidae); also called Chinese wax. Also: (more fully pela wax scale) the insect itself.
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > order Hemiptera > suborder Homoptera > family Coccidae or genus Coccus > substance secreted
pela1754
wax1803
1754 tr. J. Astruc Treat. Venereal Dis. (new ed.) II. ix. 289 Let them all be rubbed separately into a fine powder. Add. Of Pe la, white Wax, Mas III.
1794 Philos. Trans. (Royal Soc.) 84 383 The Chinese collect a kind of wax, much esteemed by them, under the name of Pé-la, from a coccus deposited..on certain shrubs.
1815 W. Kirby & W. Spence Introd. Entomol. (1818) I. x. 329 The wax (called Pe-la, white wax, because so by nature) begins to appear about the middle of June.
1871 Amer. Naturalist 5 683 Chemists have long known the so-called ‘vegetable wax’, ‘Chinese wax’, or ‘pela’,.., but we have had no definite knowledge before of its history or mode of production.
1950 Osiris 9 365 In Chekiang, the main center of pela-culture is Kinhua where the scale-seeds have to be imported from Shiaoshing, Taichow, and Huchow.
1997 Tin-Kui Qin in Y. Ben-Dov & C. J. Hodgson Soft Scale Insects (World Crop Pests, Vol. VIIA) 304 The Pela wax scale is native to China and has been recorded from 18 provinces.
extracted from pelan.
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