The Seventeen-Year Locusts

7月 17, 2010 · Posted in 未分類 

According to predictions, the periodical cicadas or “seventeen-year locusts,” those Methusalehs of the insect world, are again scheduled to make their appearance in various parts of the country. No less than thirty broods of this spectacular species have been tabulated by Government and state entomologists who have located them, studied their activities and checked up on their time of appearance over periods of many years. Celebrated on account of the regularity of their appearance in certain localities every seventeen years in the middle and northern States, and every thirteen years in the southern States, they excite wonder and speculation.

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