Brown planthoppers (Nilaparvata lugens) are the most serious insect pests of rice, one of the world's most important staple crops. They reproduce year‐round in the tropical parts of their distribution, but cannot overwinter in the temperate areas where they occur, and invade seasonally from elsewhere. Decades of research have not revealed their source unambiguously.

中文翻译：

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一种重要水稻害虫的迁徙动态：亚洲褐飞虱（Nilaparvata lugens）——来自种群基因组学的见解

褐飞虱（Nilaparvata lugens）是水稻最严重的害虫，水稻是世界上最重要的主食作物之一。它们在其分布的热带地区全年繁殖，但不能在它们出现的温带地区越冬，并从其他地方季节性入侵。几十年的研究并没有明确地揭示它们的来源。