一种有害幼虫 earworm
有害幼虫 earworm
有效的病虫害防治措施 Effective pest control measure
采用有机害虫治理 organic pest management
在有害昆虫的综合治理 Integrated Pest Management
驱蠕虫药的有害效应 Adverse effects in therapeutic use, anthelminthics
其他抗原虫药的有害效应 Adverse effects in therapeutic use, other antiprotozoal drugs
其他全身性抗感染药和抗寄生虫药的有害效应 Adverse effects in therapeutic use, other systemic anti-infectives and antiparasitics
未特指的全身性抗感染药和抗寄生虫药的有害效应 Adverse effects in therapeutic use, systemic anti-infective and antiparasitic, unspecified
山茱萸一般不需要剪枝除非需要去除枯枝，残枝或者有虫害的枝桠。
Pruning - Dogwoods seldom need pruning except to remove dead, injured, diseased, or insect-infested branches.
只是在几十年前认识了其生物性，有了化学杀虫剂和空中撒药之后，人们才开始努力控制这种虫害。
Only when its biology was understood and chemical pesticides and aerial spraying became available a few decades ago, could efforts be made to control the insect.
草原变得只生长一种作物。 病虫害容易扩散，将增加使用有潜在毒性杀虫剂的需要。
Where only one crop is grown, pests and disease can spread easily, creating the need for potentially toxic pesticides.
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