Brood II
17-year cycle · last emerged 2013
2030
next emergence ·
States: CT, GA, MD, NC, NJ, NY, OK, PA, SC, VA
East Coast Brood; large mid-Atlantic emergence from Georgia to Connecticut.
Source: USDA Forest Service / UConn. Adults emerge when soil 20 cm down reaches ~18°C (64°F), usually mid-to-late spring.
Next broods to emerge
Brood XXII (13-year)2027Brood XXIII (13-year)2028Brood I (17-year)2029Brood III (17-year)2031Brood IV (17-year)2032
Emergence years are well-established; the exact week varies with spring soil temperature. How this works.