| ADUR VALLEY BU | FIRST FLIGHT TIMES | LOCATION | 2003 | LOCATION | 2004 | LAST RECORD | LOCATION | 2005 | LOCATION | 2006* | LOCATION | 2007 | LOCATION | 2008 | LOCATION | 2009 |
| Small Tortoiseshell | Aglais urticae | LANCING CL | 03-Jan | LANCING M | 26-Mar | SHOREHAM | 16-Mar | MILL HILL | 06 April 2006 | MILL HILL | 21-Mar-07 | SHOREHAM | *13 Feb | LOWER SLOPES OF | 20-Mar-09 | |
| Orange Tip | Anthocharis cardamines | HENFIELD | 18-Apr | SHERMANB | 23-Apr | SHERMANB | 11-Apr-05 | NEAR STEY | 21 April 2006 | COOMBES R | 11-Apr-07 | STEYNING | *14 April | WATERWORKS RO | 06-Apr-09 | |
| Ringlet | Aphantopus hyperantus | SLONK HILL | 27-Jun | SHERMANB | 29-Jun-04 | SLONK HILL | 07-Jul-05 | SLONK HILL | 02 July 2006 | SLONK HILL | 27-Jun-07 | CYCLEPATH | 23-Jun | DOWNS LINK CYCL | 22-Jun-09 | |
| Dark Green Fritillary | Argynnis aglaja | UPPER BEEDI | 19-Jun | |||||||||||||
| Brown Argus | Aricia agestis | SLONK HILL | 23-Jul | MILL HILL | 07-Aug-04 | 04-Oct | MASH BARN | 29-May-05 | ANCHOR BO | 2 August 2006 * | MILL HILL | 29-Apr-07 | ANCHOR BO | 20-May | MILL HILL UPPER | 26-Jul-09 |
| Green-veined White | Artogeia napi | ADUR LEVE | 05-Jul | SHERMANB | 23-Apr | MILL HILL | 15-Apr-05 | UPPER BEEDI | 24 April 2006 | CUCKOO'S C | 24-Apr-07 | MILL HILL | 20-Apr | WATERWORKS RO | 05-Apr-09 | |
| Green Hairstreak | Callophrys rubi | PEPPERSCO | 29-Apr | MILL HILL | 28-Apr-07 | MILL HILL | 14-May | MILL HILL LOWER | 23-Apr-09 | |||||||
| Holly Blue | Celastrina argiolus | LANCING M | 05-Apr | LANCING TO | 14-Apr | 25-Oct | LANCING TO | 19-Mar-05 | LANCING TO | 22 April 2006 | LANCING TO | 26-Mar-07 | SHOREHAM | 22-Apr | WATERWORKS RO | 13-Apr-09 |
| Small Heath | Coenonympha pamphilus | MILL HILL | 05-May | MILL HILL | 02-May | 06-Oct | MILL HILL | 27-Apr-05 | MILL HILL LO | 07 May 2006 | MILL HILL | 16-Apr-07 | UPPER BEEDI | 06-May | MILL HILL LOWER | 02-May-09 |
| Clouded Yellow | Colias croceus | LANCING CL | 24-Jul | SLONK HILL | 11-Jun | 31-Oct | MILL HILL | 14-Sep-05 | ADUR LEVE | 10 May 2006 | MILL HILL | 22-Apr-07 | ||||
| Small Blue | Cupidus minimus | SLONK HILL | 16-May | 08-Aug | SLONK HILL | 07-Jun-05 | SLONK HILL | 29 May 2006 | BUCKINGHA | 08-Jun-07 | UPPER BEEDI | 11-May | BUCKINGHAM CUTTI | 20-May-09 | ||
| Dingy Skipper | Erynnis tages | GOLDING B | 20-Apr | MILL HILL | 26-Apr | MILL HILL | 29-Apr-05 | MILL HILL LO | 25 April 2006 | MILL HILL | 14-Apr-07 | MILL HILL LO | 25-Apr | MILL HILL | 15-Apr-09 | |
| Brimstone | Gonepteryx rhamni | LANCING M | 20-Mar | LANCING TO | 22-Mar | 03-Sep | MCINTYRES | 25-Feb-05 | LANCING NO | 19 March 2006 | LANCING CL | 12-Mar-07 | NEAR MILL H | *11 Feb | PIXIE PATH | 15-Mar-09 |
| Peacock | Inachis io | LANCING TO | 04-Apr | LANCING TO | 31-Mar | 04-Sep | LANCING CL | 16-Mar | LANCING CL | 06 March 2006 | SHOREHAM | 07-Mar-07 | LANCING TO | *10 Feb | WATERWORKS RO | 15-Mar-09 |
| Wall Brown | Lasiommata megera | SOUTHWICK | 09-May | MILL HILL | 06-Jun | 11-Oct | PIXIE PATH | 01-May-05 | MILL HILL | 15 May 2005 | MILL HILL | 20-May-07 | MILL HILL | 06-May | MILL HILL UPPER | 23-Apr-09 |
| Small Copper | Lycaena phlaes | MILL HILL | 09-May | MALTHOUSE | 06-Jul-04 | 04-Oct | DOVECOTE | 29-Apr-05 | ADUR LEVE | 02 August 2006 | PIXIE PATH | 03-Jul-07 | OLD SHORE | *20 Sept | MILL HILL LOWER | 09-Apr-09 |
| Meadow Brown | Maniola jurtina | ANCHOR BO | 14-Jun | SLONK HILL | 11-Jun | 08-Oct | MILL HILL LO | 13-Jun-05 | MILL HILL | 12 June 2006 | BEEDING HIL | 01-Jun-07 | PIXIE PATH | 19-Jun-08 | BEEDING HILL | 31-May-09 |
| Marbled White | Melanargia galathea | MILL HILL | 24-Jun | MILL HILL | 15-Jun | 24-Jul | LANCING RI | 14-Jun-05 | MILL HILL LO | 20 June 2006 | MILL HILL LO | 10-Jun-07 | SLONK HILL | 17-Jun | BUCKINGHAM CUTTI | 07-Jun-09 |
| Large Skipper | Ochlodes venata | ADUR LEVE | 21-Jun | GOLDING B | 13-Jun | SLONK HILL | 07-Jun-05 | MILL HILL | 11 June 2006 | SLONK HILL | 10-Jun-07 | MILL HILL | 04-Jun-09 | |||
| Speckled Wood | Pararge aegeria | STEYNING | 15-Apr | ADUR LEVE | 16-Apr | 18-Oct | SHOREHAM | 15-Apr-05 | SLONK HILL | 21 April 2006 | LANCING TO | 26-Mar-07 | MILL HILL | 20-Apr | MILL HILL COPSE | 06-Apr-09 |
| Large White | Pieris brassicae | SLONK HILL | 27-Jun | SHOREHAM | 02-May | 24-Oct | SHERMANB | 21-Apr-05 | SHOREHAM | 07 May 2006 | CHANCTON | 13-Apr-07 | SHOREHAM | 20-Apr | SOUTH LANCING | 01-Apr-09 |
| Small White | Pieris rapae | SHOREHAM | 27-Mar | ADUR LEVE | 31-Mar | 14-Oct | KINGSTON B | 28-Mar-05 | SHOREHAM | 21 April 2006 | PIXIE PATH | 27-Mar-07 | LANCING | *26 Feb | NORTH SHOREHAM | 30-Mar-09 |
| Comma | Polygonia c-album | LANCING TO | 23-Mar | TOTTINGTO | 02-Apr | 14-Oct | LANCING TO | 19-Mar-05 | MCINTYRES | 01 April 2006 | LANCING TO | 12-Mar-07 | OLD SHORE | *7 Mar | WATERWORKS RO | 15-Mar-09 |
| Adonis Blue | Polyommatus bellargus | MILL HILL | 05-May | SLONK HILL | 17-May | 06-Oct | MILL HILL | 15-May-05 | MILL HILL LO | 14 May 2006 | MILL HILL | 24-Apr-07 | MILL HILL LO | 07-May | MILL HILL LOWER | 02-May-09 |
| Chalkhill Blue | Polyommatus coridon | MILL HILL | 11-Jul | MILL HILL | 10-Jul-04 | 24-Sep | MILL HILL LO | 08-Jul-05 | MILL HILL LO | 02 July 2006 | MILL HILL LO | 08-Jul-07 | MILL HILL LO | 05-Jul-08 | MILL HILL LOWER | 02-Jul-09 |
| Common Blue | Polyommatus icarus | MILL HILL | 27-Jun | BEEDING HIL | 25-May | 06-Oct | SLONK HILL | 22-May-05 | DOVECOTE | 29 May 2006 | MILL HILL | 20-May-07 | MILL HILL | 07-May | MILL HILL (LOWER | 20-May-09 |
| Grizzled Skipper | Pyrgus malvae | MILL HILL | 05-May | MILL HILL | 26-Apr | MILL HILL | 10-Apr-05 | MILL HILL | 01 May 2006 | MILL HILL | 12-Apr-07 | MILL HILL LO | 10-Apr | MILL HILL (LOWER | 30-Mar-09 | |
| Gatekeeper | Pyronia tithonus | ADUR LEVE | 03-Jul | SLONK HILL | 06-Jul-04 | 18-Aug | SLONK HILL | 03-Jul-05 | BUCKINGHA | 02 July 2006 | WATERWOR | 04-Jul-07 | OLD SHORE | 04-Jul-08 | COASTAL LINK CY | 28-Jun-09 |
| White-letter Hairstre | Strymonidia w-album | |||||||||||||||
| Brown Hairstreak | Thelca betulae | STEYNING | 04 August 2006 | MILL HILL | 17-Aug-09 | |||||||||||
| Essex Skipper | Thymelicus lineola | ADUR LEVE | 19 July 2003 | ? | ? | ? | ? | MILL HILL | 03-Aug-09 | |||||||
| Small Skipper | Thymelicus sylvestris | MILL HILL | 14/06/2003 * | LANCING CL | 25 June 2005# | SLONK HILL | 03-Jul-05 | COASTAL LI | 09 July 2006 | DOWNS LIN | 01-Jul-07 | SLONK HILL | 03-Jul-08 | LANCING RING MEA | 19-Jun-09 | |
| Red Admiral | Vanessa atalanta | LANCING TO | 04-Apr | SOMPTING | 07-Jun | 19-Nov | SHOREHAM | 16-Jan-05 | WIDEWATER | *17/01/2006 | LANCING TO | 04-Jan-07 | LANCING TO | 09-May | CHANCTONBURY D | 08-Mar-09 |
| Painted Lady | Vanessa cardui | MILL HILL | 05-May | LANCING TO | 04-Feb | 06-Oct | EAST OF MO | 29-Jul-05 | MC INTYRE'S | 28 March 2006 | LANCING | 05-Jun-07 | EAST OF MO | 21-Jul-08 | MILL HILL (LOWER | 17-May-09 |
| * unconfirmed record | ||||||||||||||||
| # first confir | ||||||||||||||||