When insects occur in large numbers, and these are often insect pests, people want to get rid of them. In countries where insects are already consumed, the idea of eating them is quickly formed. Harvesting them as food can be a strategy to replace other methods of control.

中文翻译：

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虫害为食物和饲料

当昆虫大量出现并且通常是害虫时，人们希望摆脱它们。在已经食用昆虫的国家，食用昆虫的想法很快就形成了。将它们作为食物收获可以是取代其他控制方法的策略。