| 单词 | aphid |
| 释义 | aphid (once / 39796 pages) n An aphid is a bug that's considered a pest by many gardeners. Aphids like to eat a variety of plants, including roses, lettuce, peaches, and grapes. Aphids feed by sucking sap or liquid from a plant, and they can be quite destructive to a farmer's crop or a gardener's flower bed, because they reproduce quickly and efficiently. Several kinds of birds and spiders prey on aphids, and farmers use both chemical and biological insecticides to control them. The word aphid comes from the Modern Latin aphis, from 1758, although its origin isn't known. WORD FAMILYaphid: aphids USAGE EXAMPLESFor example, many samples contained DNA from tiny plant-eating aphids, ladybugs that eat them, and parasitic wasps that lay their eggs in aphids. Washington Post(Nov 02, 2016) Hagfish, penguins, and aphids are just some of the creatures that have been shaped by what’s known as regressive evolution. National Geographic(Oct 06, 2016) Species of long-horned beetles, true bugs, even aphids who imbibe at the milkweed bar, all wear these warning colors proudly. New York Times(Sep 30, 2016) n any of various small plant-sucking insects Hypo|Hyper Aphis pomi, apple aphid, green apple aphid bright green aphid; feeds on and causes curling of apple leaves Aphis fabae, bean aphid, blackflyblackish aphid that infests e.g. beans and sugar beets greenflygreenish aphid; pest on garden and crop plants ant cowexcretes a honeylike substance eaten by ants woolly aphid, woolly plant lousesecretes a waxy substance like a mass of fine curly white cotton or woolly threads green peach aphidyellowish green aphid that is especially destructive to peaches pale chrysanthemum aphidimportant pest of chrysanthemums American blight, Eriosoma lanigerum, woolly apple aphidprimarily a bark feeder on aerial parts and roots of apple and other trees Prociphilus tessellatus, woolly alder aphidattacks alders louse, plant louse any of several small insects especially aphids that feed by sucking the juices from plants |
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