Butterfly First Sightings : Silver-studded Blue

This page shows the earliest sightings of the Silver-studded 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 22nd June. The "+- days" column shows the difference from the mean.
Date Recorder Location +- days
17-Jun-2018 Colin Williams Wildmoor Heath, Berks -6 days
14-Jun-2017 Ian Stevenson Wildmoor Heath, Berks -9 days
19-Jun-2016 Ian Stevenson Wildmoor Heath, Berks -3 days
17-Jun-2015 Ian Stevenson Wildmoor Heath, Berks -6 days
20-Jun-2014 Ian Stevenson Wildmoor Heath, Berks -3 days
01-Jul-2013 Ian Stevenson Broadmoor Bottom, Berks +8 days
11-Jul-2012 Jan Haseler Wildmoor Heath, Berks +19 days
20-Jun-2011 John Ward-Smith Broadmoor Bottom, Berks -3 days
24-Jun-2010 David Lloyd Broadmoor Bottom, Berks +1 day
21-Jun-2009 John Ward-Smith Broadmoor Bottom, Berks -2 days
19-Jun-2008 Grahame Hawker Broadmoor Bottom, Berks -3 days
12-Jun-2007 John Ward-Smith Broadmoor Bottom, Berks -11 days
30-Jun-2006 Debbie Lewis Broadmoor Bottom, Berks +7 days
26-Jun-2005 Tom Dunbar Sandhurst, Berks +3 days
04-Jul-2004 Tom Dunbar & Ali Latham Wildmoor Heath, Berks +12 days