蚜 🔊

网络内容摘要 (Web Content Summary):

• 核心含义与起源： “蚜”（yá）是一个表示害虫的汉字，指“蚜虫”，即英文中的 aphid。这是一种常见的农业害虫，广泛分布于温带地区，常见于豆类、棉花、蔬菜、稻麦等植物的幼芽上。 Core meaning & origin: "蚜" (yá) refers to aphids, which are common agricultural pests (aphid in English) found widely in temperate regions and often seen on young shoots of crops like beans, cotton, vegetables, and grains.

• 字形与构造： “蚜”字由形旁“虫”（表昆虫）和声旁“牙”（表示声音，也暗含“带利齿的昆虫”之意）组成，字形象征这种虫子具有刺吸植物的“针状口器”。 Character structure: The character "蚜" combines the radical "虫" (insect) and the component "牙" (tooth), implying an insect with piercing or sucking mouthparts.

• 文化与用法： “蚜”主要用于“蚜虫”一词，在农业、植物学等领域常见。它可分泌甜液，对农作物有较大破坏性。古时也称为“竹虫”、“木虱”。 Cultural & usage notes: "蚜" is mainly used in the word “蚜虫” (aphid), commonly found in agricultural and biological contexts. Aphids can secrete sweet fluids and are highly destructive to crops. Historically, they were also called “bamboo insects” or “wood lice.”

• 易混淆点： “蚜”易与“牙”（tooth）混淆，但“蚜”带有“虫”旁，特指一种昆虫。 Easily confused character: "蚜" can be confused with “牙” (tooth), but “蚜” contains the insect radical, making it specific to insects.

暂无与“蚜”直接相关的常用成语。 There are currently no common idioms directly related to "蚜".