Butterfly Conservation - saving butterflies, moths and their habitats
Butterfly Conservation
saving butterflies, moths and our environment
   Upper Thames Branch
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Your Records

  • Butterfly Records
  • Butterfly Atlas Recording - An Appeal for Your Help!
  • Moth Records

  • Sending in your butterfly and moth records to us is essential if we are to continue our conservation work. We welcome information on sightings from anywhere within our three counties of Berkshire, Buckinghamshire or Oxfordshire. Anyone can send in records, whether or not you are a member of Butterfly Conservation, although if you are not a member we do hope that you will seriously consider becoming one! Records must be sent to the recorders listed below for inclusion in our database, even if you have already sent some information to any of our Champions or to the Webmaster for the website Sightings Pages.

    A record can constitute any number of insects from one sighting upwards. A single Orange-tip or Hummingbird Hawk-moth seen in your garden is just as important to us as larger numbers of sightings. Records should include a minimum of date, location (preferably with a six-digit grid reference or better), species and numbers seen. Records can be sent in annually or at more regular intervals if you prefer. They can be sent by post or by e-mail. Those of you who use specialist computer wildlife recording programmes such as MapMate should contact the appropriate Recorder first to arrange a file transfer.

    Butterfly Records

    All butterfly records for Berkshire, Buckinghamshire or Oxfordshire should be sent to the Upper Thames Branch Butterfly Records Officer.

    Butterfly Records Officer

      Jim Asher
      24 Fettiplace Road
      Oxon OX13 6PL

    Butterfly recording forms can be downloaded here as either Microsoft Word, Excel or Adobe PDF files. Please use the Casual Recording Form if you have records from several different locations. The Site Recording Form can be used if you have several records from just one particular site. If you have a lot of records to enter from different locations you might find it easier to use the Butterfly Records Spreadsheet:

    Click here to download the Casual Butterfly Recording Form (PDF file)

    Click here to download the Casual Butterfly Recording Form (Word file)


    Click here to download the Butterfly Site Recording Form (PDF file)

    Click here to download the Butterfly Site Recording Form (Word file)


    Click here to download the Butterfly Records Spreadsheet (Excel file)

    Completed recording forms for Garden Surveys and Churchyard Surveys should be sent to the respective Garden and Churchyard Survey Co-ordinators, as printed on the bottom of the forms. The Co-ordinators will ensure all records are passed on to the Butterfly Records Officer (see above). 

    Click here to download the Butterfly Garden Survey 2014 Form (PDF file)


    Click here to download the Churchyard Butterfly Survey Form (PDF file)

    Atlas recording - we need your help in September!
    (New maps posted as at 28th August 2014: All Species, Low Species numbers, Common Blue & Small Tortoiseshell)

    The "All Species" map shows the coverage of butterfly records across the 2km squares across Berks, Bucks and Oxon for the 5-year period 2010-2014 (so far). A big 'thank-you' to all who have sent in records so far. We are close to our target of records from every 2km square, but we still have a little work to do during September to close remaining gaps. The maps for the Common Blue and Small Tortoiseshell records have also been updated to show the latest coverage. Look out also for Clouded Yellows and Painted Ladies, which have arrived from the continent.

    As at 28/08/14 - There are now no mid-region gaps, but there are just a few edge gaps with squares partially overlapping our area - SP2222, SP7242, SP9644, SP9646, SU3064, SU9666 - for those who are craving a late-season challenge!

    The new colour-coded 'blue' map has also been updated (see below), which shows the very poorly recorded squares (only one or two species) that really need a further visit (quite a few going up the Vale of Aylesbury to MK), so there is still something for us all to do before the end of the season.

    If you do visit any of these areas, please send your records as soon as possible to Jim Asher (click here for email address), so that we can track where gaps remain to be filled. Please send an email if you need more information on how to help.

    Upper Thames Branch records: 2010-14 (as at 28th August 2014)

    1430 recorded squares - 12.9 species per 2km square (average). Note: Yellow squares are under-recorded and need further visits.

    Upper Thames Branch records - poorly recorded squares: 2010-14 (as at 28th August 2014)

    The pale mauve dots in the map above are squares with only one or two species recorded, so are targets for a further visit. SU7296 is our best square so far, with 34 species recorded (Aston Rowant). Please note, however, that this map does not yet include transect data, which will boost numbers in several 2km squares.

    To help you orient where these gaps are, the next map shows the major cities and towns in our area. We particularly need records from: Milton Keynes/N. Bucks, the areas around Banbury, south-east of Oxford, south of Witney, NW of Newbury and between Wallingford and Reading.

    Below we have maps of records for a few common Summer species from 2010-2014 - these show additional gaps at the species level indicating where more visits are needed.

    Any help you can give us with recording in any of these gaps will be very welcome. Please contact Jim Asher for further details. If you would like to help with recording within a particular 10km square, please contact Jan Haseler.

    (Click maps for larger images.)

    Meadow Brown: 2010-14 (as at July 2014) Gatekeeper: 2010-14 (as at July 2014)
    Small Tortoiseshell: 2010-14 (as at 28th August 2014) Common Blue: 2010-14 (as at 28th August 2014)


    Moth Records

    Moth records for the three counties should be sent directly to the relevant County Moth Recorder. Click here for help on recording moths and useful information about the UTB county boundaries.

    County Moth Recorder for Berkshire

      Martin Harvey
      Bridge Street
      Great Kimble
      Bucks HP17 9TN

    County Moth Recorder for Buckinghamshire

      Martin Albertini
      11 Hargrave Road
      Berks SL6 6JR

    County Moth Recorder for Oxfordshire

      Martin Townsend
      26 Bartholomew Road
      OX4 3QQ
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