Butterfly First Sightings : Holly Blue

This page shows the earliest sightings of the Holly Blue in the Upper Thames region since 2004 (per UTB Recent Sightings data). The mean first sighting date of this species in the UTB region is 31st March. The "+- days" column shows the difference from the mean.
Date Recorder Location +- days
14-Apr-2018 Nigel Partridge Loosley Row, Bucks +13 days
26-Mar-2017 Steve Johnson Newbridge, Oxon -6 days
12-Apr-2016 via Wendy Wilson Iver, Bucks +12 days
06-Apr-2015 Bryan Williams Wokingham, Berks +5 days
31-Mar-2014 Wendy Wilson Gerrard's Cross, Bucks -1 day
20-Apr-2013 Steve Croxford Chinnor, Oxon +19 days
20-Mar-2012 Mike Flemming Abingdon, Oxon -11 days
23-Mar-2011 Claire Haseler Reading, Berks -9 days
24-Mar-2010 John Ward-Smith Bracknell, Berks -8 days
29-Mar-2009 Pete Eeles Thatcham, Berks -3 days
04-Apr-2008 Pete Eeles Thatcham, Berks +4 days
07-Mar-2007 Robert Whitlock Earley, Berks -25 days
16-Apr-2006 Martin Mitchell Shinfield, Berks +15 days
26-Mar-2005 Derek & Cathy Brown Moor Copse, Berks -6 days
09-Apr-2004 Derek Brown Beenham, Bucks +9 days