According to Wikipedia, cicadas are sometimes called "locusts" although they are not related to true locusts which are a kind of grasshopper. Also, "Cicadas are benign to humans and do not bite or sting, but can be pests to several cultivated crops." Their assault on the ears is not mentioned! They are said to be eaten in many parts of the world, and the shells are used in traditional medicines of China. They can have them from my yard!
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