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- convergent lady beetle 锚斑长足瓢虫
- He carelessly trod the lady beetle underfoot. 他不小心把瓢虫踩在了脚下。
- But some people say the Asian lady beetle has itself become a pest. 但是，有些人认为亚洲瓢虫也变成了一种害虫。
- A good example is the lady beetle, also known as the ladybug. 瓢虫就是一个很好的例子。
- The Asian lady beetle eats aphids that damage crops like soybeans, fruits and berries. 亚洲甲虫吃掉了破坏庄稼的蚜虫，比如大豆，水果和草莓等。
- Simualtion of Lady Beetle's Preying Behavior Evolution with Neural Network and Genetic Algorithms. 采用人工生命方法模拟七星瓢虫捕食行为进化。
- American scientists imported one kind of lady beetle, the multicolored Asian lady beetle, as early as nineteen sixteen. 早在1916年，美国科学家就引进了一种亚洲彩色瓢虫。
- Adult lady beetles can eat fifty aphids a day. 成年瓢虫一天能吃掉50只蚜虫。
- Fig.1. Bhutan issued11 beetle stamps, and it is a set of25 stamps in1997, of which7 are beetles. The lady beetle here is the7 spot lady beetle, not Hippodamia sp. 图1.;不丹共发行了11张甲虫邮票，这是1997年发行的一套25张节肢动物邮票，23张为昆虫，其中7张为甲虫。邮票中的拉丁学名写法有误，种本名第一个字母不应大写；另瓢虫的学名是错误的，它列出的为长足瓢虫某一种，实为常见的七星瓢虫。
- Fig. 1. Bhutan issued 11 beetle stamps, and it is a set of 25 stamps in 1997, of which 7 are beetles. The lady beetle here is the 7 spot lady beetle, not Hippodamia sp. 图1.;不丹共发行了11张甲虫邮票，这是1997年发行的一套25张节肢动物邮票，23张为昆虫，其中7张为甲虫。邮票中的拉丁学名写法有误，种本名第一个字母不应大写；另瓢虫的学名是错误的，它列出的为长足瓢虫某一种，实为常见的七星瓢虫。
- Experts say Asian lady beetles may appear in large numbers in some years. 专家说亚洲瓢虫的数目多年以后可能会锐减。这种昆虫功远远大于过。
- The Asian lady beetles now in the United States probably came from Japan. The Asian lady beetle eats aphids that damage crops like soybeans, fruits and berries. 现在美国的亚洲瓢虫基本上来自日本,亚洲瓢虫消灭村还庄稼,像大豆,果实和浆果的蚜虫。
- twenty-eight spotted lady beetle 马铃薯瓢虫
- In the southern United States, Asian lady beetles have reduced the need for farmers to use pest-killing poisons on pecan trees. 在美国南部地区，亚洲瓢虫（的存在）降低了农民在美洲山核桃树上使用杀虫剂的需求。
- They often have black spots, though some have light colored spots. Different kinds of lady beetles have different numbers of spots. 它们通常有黑色的斑点,尽管有些有浅色的彩色斑点。不同的瓢虫有不同的斑点数。
- Many of the well-known kinds of lady beetles come from Asia or Europe. They now are common throughout the United States. 我们熟知的瓢虫种类多来自亚洲或欧洲。现在它们在整个美国并不罕见了。
- After work we all beetle off for a drink. 下班之后我们都急忙赶去喝几杯。
- Lady beetles are a natural control for aphids. Aphids are tiny insects that develop colonies on plants and eat plant fluids. 瓢虫是蚜虫的天敌。蚜虫是一种靠吸食作物汁液的群居的微小昆虫。
- Experts say Asian lady beetles may appear in large numbers in some years. But they say the insects are too helpful to considered pests. 专家说亚洲瓢虫可能会在某几年内大量出现。他们还说这种昆虫是益虫而不是害虫。
- In the southern unites state, Asian lady beetles have reduced the need for farmers to use pests killing poisons on pecan trees. 在美国南部，亚洲甲虫为种植核桃树农民减少了使用杀虫剂的必要。
