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	Podcast:		Local Features by WXPR
	Episode:		Field Notes: Why We Don’t See Cicadas in the Northwoods
	Category:		Government & Organizations
	Duration:		00:04:57
	Publish Date:		2021-07-13 10:31:54
	Description:		Making national headlines, the 17-year cicadas were making a ruckus throughout eastern parts of the US leaving me to wonder, why don’t we see cicada swarms in the Northwoods of Wisconsin? Cicadas have a limited and mostly eastern distribution in the United States, reaching as far north as New York state, down to Louisiana and Georgia in the south and barely extending into Kansas and Oklahoma in the west. They hatch on 13- or 17-year cycles and specific cohorts, which are also known as broods, hatch in offset years. The recent batch of cicadas is part of Brood X, the largest cohort of 17 year cicadas that occurs in the US. There are 12 cohorts of 17-year and 3 cohorts of 13-year cicadas. Brood X began erupting from the ground in mid-May, predominantly in Washington DC, Maryland, Pennsylvania, Indiana, Ohio and Tennessee. The next big hatch will take place in 2024 and will include a brood of 13 year cicadas that will hatch out in the central southern part of the US and a 17 year cohort
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