But as the harvest time comes, locusts change to the same brown color as crops have.

但是当收获季节来到的时候，蝗虫就变成了跟庄稼一样的黄棕色。

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According to entomologists, single locusts are quiet creatures, but when locusts are placed with others of their species, they become excited, change color, vibrate, and even hum.

根据昆虫学家的说法，单个的蝗虫是安静的生物，但是当它们和同类的其他蝗虫放在一起时，它们会变得兴奋，变色，振动，甚至嗡嗡叫。

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Influenced by the calamity idea in Chun Qiu, people relied on manpower to catch and kill the locusts, meanwhile, the new method to change the farming structure was also used.

因《春秋》灾异观的影响，此期对蝗灾的治理仍依靠人力捕杀，但也出现了改变农业种植结构的新方法。

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Influenced by the calamity idea in Chun Qiu, people relied on manpower to catch and kill the locusts, meanwhile, the new method to change the farming structure was also used.

因《春秋》灾异观的影响，此期对蝗灾的治理仍依靠人力捕杀，但也出现了改变农业种植结构的新方法。

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