| 词汇 | borer |
| 释义 | borer noun[ C ] uk /ˈbɔː.rər/ us /ˈbɔːr.ɚ/ an insect that makes holes in plants, wood, etc.: 钻蛀虫，穿孔虫 The borer can cause the corn ear to fall off or can weaken the stalk so much that it breaks. 玉米螟可能导致玉米穗脱落，也可能大大削弱茎干，使其断裂。 a borer infestation穿孔虫害 a tool or machine for making holes: 钻;镗床;镗孔刀具 A gimlet is a borer, used to make holes for nails.手锥是一种钻，钉钉子的时候用来打孔。 a robotic tunnel borer隧道挖掘机器人 AleksandarNakic/E+/GettyImages garden pests such as gypsy moths, Japanese beetles, sawflies, and peach twig borers pests such as caterpillars, tomato hornworms, aphids, bean beetles, and various borers The crop is showing damage from the European corn borer. a pile of tools including a rusty hole borer Insect names anopheles ant aphid beastie bedbug dragonfly dust mite earwig earworm elm bark beetle housefly insect jigger ladybird lepidopterist silverfish sow bug spider mite stick insect swallowtail You can also find related words, phrases, and synonyms in the topics: Digging Making holes in things Examples of borerborer The results showed that the remaining lepidopteran stem borer families and subfamilies have restricted host plant ranges. For these pest groups, climatic conditions and geographical distribution of pests (downy mildews, corn borers, etc.) restrict the importance to some hot spots. To enable measuring the effect of reduced borer densities on maize yield, the maize monocrop and all intercrops were grown with and without insecticide treatment. Top borers attack the youngest part of the plant top, and usually destroy the growing point. Similar results have been obtained by several authors who have studied the effect of nutrient factors in diapause induction in stem borers. Some planters do not realise the disastrous effects which follow when cane-tops infested with borers are planted. It should be an invaluable addition to the library shelf for all those with a professional interest in stem borer pest management. The number of surviving larvae+pupae recovered and the length of stalk bored were used as measures of borer numbers and stalk damage, respectively. Currently, information on diversity and abundance of stem borer natural enemies in natural habitats is minimal. The present study, however, revealed that recognized noctuid stem borer crop pests are not abundant on wild hosts compared to wild noctuid species. In the case of the spotted borer the destruction of larvae in the tops to be planted is recommended. It is this state of affairs that has produced in certain localities of the island severe outbreaks of the spotted borer. The lepidopteran stem borer species diversity in the wild host plants was far more diverse than previously reported. They can be both primary and hyperparasitoids and were recovered from all borer species. Clearly both insecticides are pro®table when used on maize, re-ecting the seriousness of the damage in-icted by stem borers. See all examples of borer These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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