Butterfly First Sightings : White-letter Hairstreak

This page shows the earliest sightings of the White-letter Hairstreak 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 20th June. The "+- days" column shows the difference from the mean.
Date Recorder Location +- days
10-Jun-2018 Adrian Cadman Milton Keynes, Bucks -11 days
10-Jun-2017 Adrian Cadman Milton Keynes, Bucks -11 days
26-Jun-2016 Peter Cuss Chazey Heath, Oxon +6 days
24-Jun-2015 Adrian Cadman Milton Keynes, Bucks +3 days
21-Jun-2014 Adrian Cadman Milton Keynes, Bucks 0 days
07-Jul-2013 Adrian Cadman Milton Keynes, Bucks +16 days
10-Jul-2012 Adrian Cadman Milton Keynes, Bucks +20 days
09-Jun-2011 Mick & Wendy Campbell Piddington Wood, Oxon -12 days
24-Jun-2010 Nigel Parsons Iver Heath, Bucks +3 days
28-Jun-2009 Dave Wilton Westcott, Bucks +7 days
17-Jun-2008 Dave Wilton Westcott, Bucks -3 days
23-Jun-2007 Dave Wilton Westcott, Bucks +2 days
15-Jun-2006 John Notton Bucks -6 days
22-Jun-2005 Dave Wilton Wendlebury, Bucks +1 day
19-Jun-2004 Dave Wilton Finemere Wood, Bucks -1 day