First butterfly sightings, previous years
No sightings yet this year. First butterfly sightings in other years:
- 2018 : March 17 Eastern Comma
- 2017 : February 17 Eastern Comma
- 2016 : February 20 Eastern Comma
- 2015 : March 9 Eastern Comma
- 2014 : March 30 Mourning Cloak
- 2013 : March 31 Mourning Cloak
- 2012 : March 11 Mourning Cloak
- 2011 : March 19 Eastern Comma
- 2010 : March 6 Compton Tortoiseshell
- 2009 : March 16 Eastern Comma
- 2008 : March 26 Mourning Cloak
- 2007 : March 22 Mourning Cloak
- 2006 : March 11 Milbert’s Tortoiseshell
- 2005 : March 28 Eastern Comma