Human history has recorded locust invasions going back thousands of years, and it just takes a confluence of just the right conditions, particularly warm weather and heavy rains, to promote rapid breeding.
人类历史记录了数千年前蝗虫的入侵,只要条件适宜,尤其是温暖的天气和暴雨,就能促进蝗虫的快速繁殖。