2017 • 42.5N 71.3W Massachusetts, Middlesex
4  
2011 • 33.9N 83.3W Georgia, Clarke
 
2013 • 42.9N 71.4W New Hampshire, Rockingham
Sep 3 3 Jul May 1 Apr  
2014
Feralia major
2013 • 43.9N 71.6W New Hampshire, Grafton
 
2015
Jun Oct Feb 1 1 Dec Jan  
2012
4 Aug 2 2 Mar Nov  
2014
 
2015 • 36.0N 82.2W North Carolina, Mitchell
 
2013
3