Butterfly First Sightings : Large Tortoiseshell

This page shows the earliest sightings of the Large Tortoiseshell 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 5th May. The "+- days" column shows the difference from the mean.
Date Recorder Location +- days
19-May-2024 Richard Ashford Incombe Hole, Bucks +14 days
27-Jun-2023 Jo Parsons Bradfield, Berks +52 days
30-Mar-2021 John Wiltshire Incombe Hole, Bucks -37 days
23-Apr-2020 Wayne Bull Worton Wood, Oxon -12 days
23-Apr-2019 Nigel Kiteley Ivinghoe Beacon, Bucks -13 days
02-May-2009 Dave Wilton mid-Bucks -4 days