BOLD denotes new species
- Adonis Blue [August at Aston Rowant]
- Brimstone [April at Work]
- Brown Argus [August at Barnack Hill and Holes]
- Chalkhill Blue [August at Barnack Hill and Holes]
- Comma [April at Work]
- Common Blue [June at Bullcliffe]
- Dark Green Fritillary [July Fen Bog]
- Dingy Skipper [May at Chambers Farm Wood]
- Essex Skipper [August at Aston Rowant]
- Gatekeeper [July at Work]
- Green veined White [May at Work]
- Large Skipper [June at Work]
- Marsh Fritillary [May at Chambers Farm Wood]
- Marbled White [June at Tywell Hills and Dales]
- Meadow Brown [June at Work]
- Northern Brown Argus [August Arnside Knott]
- Orange tip [April at Work]
- Painted Lady [August at Laundimer House]
- Peacock [April at Work]
- Purple Emperor [July at Fermyn Wood]
- Red Admiral [June at Salcey Forest]
- Ringlet [June at Salcey Forest]
- Scotch Argus [August Arnside Knott]
- Silver spotted Skipper [August at Aston Rowant]
- Silver Washed Fritillary [July at Fermyn Wood]
- Small Heath [June at Thurstonland Bank]
- Small Skipper [June at Tywell Hills and Dales]
- Small Tortoiseshell [April at Work]
- Small White [June at Salcey Forest]
- Speckled Wood [April at Old Moor RSPB]
- White Admiral [July at Fermyn Wood]
- White Letter Hairstreak [July at Fermyn Wood]
- Wood White [June at Salcey Forest]