F = glowing females by night, M = males, L = larvae. NR = nature reserve; CP = country park. Only peak numbers during a season are shown, so not every record received is listed.
10 May
Little Fir Wood, Battle, E.Sussex TQ78421640 1L by day
Rowberrow Warren, Shipham, N.Somerset ST453581 1L by day
NTJ Woods, Jersey, Channel Isles WV69784964 1L by day
Whitehorse Hill, Uffington, Berks SU29918652 1L by day
9 May
Lathkill Dale, Over Haddon, Derbys SK17316577 1L by day
8 May
Shelf Held, Wyre Forest, Worcs SO75597622 1L by day
Covert Wood, E.Kent TR183481 3L by day
Llanbethery, Vale of Glamorgan, ST03486970 1L by day
7 May
Rofton Works, Hooton, Ellesmere Port, Cheshire SJ34837787 1L by day
Gilfach NR, Radnorshire SN960714 1L by day
Limekiln Cave, Portland, Dorset SY68766937 1L by day
6 May
Black Hill, Malvern Hills, Worcs SO768414 1L by day
Winterborne Stickland, Dorset ST83480489 1L by day
Southleigh Wood, Sutton Veny, S.Wilts ST88244243 1L by day
Chardown Hill, Charmouth, Dorset SY38419327 1L by day
Horton, Chartham, Canterbury TR11325524 1L by day
5 May
Cadair Idris, Minffordd, Merionethshire SH72711178 1L by day
Millyford Green, New Forest, Hants SU267079 1L by day
Arn Hill Down, Warminster, Wilts ST877463 1L by day
Wheldrake Wood, Wheldrake, SE Yorks SE65854661 1L by day
Blaen Y Wern, Llangyndeyrn, Carmarthenshire SN47551560 1L by day
4 May
Hatfield Forest NNR, N.Essex TL538204 1L by day
Throop Hill, Stratford Tony, S.Wilts SU0925 1L by day
Fish House Moss, Haverthwaite, Westmorland SD33548257 1L by day
Strumpshaw Fen, Mid Yare Valley NNR, Norfolk TG337061 1L by day
Giant Hill, Cerne Abbas, Dorset ST665017 1L by day
Gear Sands, Perranporth, W.Cornwall SW771558 1L by day
Stags Head, Llangeitho, Ceredigion SN63675903 6L
3 May
Coldrom Long Barrow, Ryarsh, W.Kent TQ65526059 1L by day
Newton Cliff, Langland, Glamorgan SS60298702 1L by day
Lodge Wood, Ashford, E.Kent TQ99214419 1L by day
Churchtown Farm NR, Saltash, Devon SX41985778 1L by day
2 May
Clayhill, Northiam, E.Sussex TQ83632320 1L by day
Steps Hill, Ivinghoe, Bucks SP96091564 1L by day (dead)
The Wyre Forest, Buttonoak, Shropshire SO74357779 1L by day
Sandpit Hill, Hadleigh CP, Benfleet, S.Essex TQ80238610 1L by day
Friday Woods, N.Essex TL992211 1L by day
1 May
Nashendown NR, Chatham, E.Kent TQ73086498 1L by day
Swannacott Wood, Whitstone, E.Cornwall SX249983 1L by day
30 April
Cashel Forest, Stirlingshire NS40639415 1L by day
Cors Caron, Tregaron, Cardiganshire SN68786204 2L by day
Brede High Wood, E.Sussex TQ80022063 1L by day
29 April
Dunyeat’s Hill, Broadstone, Dorset SZ01539649 1L by day
28 April
West Blean & Thornden Woods, nr Whitstable, Kent TR149630 1L by day
27 April
Newton Tony, Salisbury, Wilts SU221400 1L by day
Signet, Burford, Oxon SP25411026 1L by day
26 April
Marston Thrift SSSI, Cranfield Bedfordshire SP97224154 1L by day
Brixton, nr Plymouth, S.Devon SX553523 1L by day
Carbeth Hill, Stirlingshire NS535788 1L by day
Clowes Wood, Whitstable, Kent TR130627 1L by day
25 April
Pewsey Downs, Alton Barnes, Wilts SU119634 1L by day
Roadford Forest, Broadwoodwidger, N.Devon SX428902 1L by day
Combe Wood, Salcombe Regis, S.Devon SY14858829 1L by day
24 April
Martin Down NNR, Hants SU048188 2L by day
Balmer Lawn, Brockenhurst, Hants SU316045 1L by day
21 April
Cucknells Wood NR, Wonersh, Surrey TQ039433 1L by day
20 April
Private garden, Lambourn, Berks
18 April
Private land, Carreg Cyn Ffyrdd, Carmarthen
West Blean Wood, Sturry, Kent TR170637 1L by day
Glanyrafon, Llansadwrn, Carmarthen SN685326 1L by day
Hetty Pegler’s Tump, Uley, W.Glocs SO79140003 1L by day
17 April
Low Common, Rockland St Mary, Norfolk TG32150379 1L by day
15 April
Wylye, S.Wilts SU00283742 1L by day
14 April
Hill Farm, West Ansty, N.Devon SS84762692 1L by day
13 April
Flordon Common, E.Norfolk TM18079738 1L by day
Crag Farm, Muncaster, Cumberland SD129970 1L by day
12 April
Crete Road, Folkestone, Kent TR213381 1L by day
Pennsylvania Castle, Easton, Portland, Dorset SY69727111 1L by day
11 April
Pantymwyn, Flintshire SJ19446377 1L by day
10 April
Stool End, Great Langdale, Cumbria, Westmorland NY271057 1L by day
9 April
North Sheephouse Wood, Edgcott, Bucks SP697235 1L by day
RSPB Arne, Wareham, Dorset SY976871 1L by day
7 April
Oxwich Bay NNR, Glamorgan SS50258694 1L by day
Normanhurst Estate, Catsfield, E.Sussex TQ71531409 1L by day
6 April
Bolberry Down, Salcombe, Devon SX69143821 1L by day
5 April
Kenfig NNR, Glamorgan SS79418294 10L by day
4 April
Oughtonhead NR, Hitchin, Herts TL16963039
1 April
Kingswood Forest, Challock, Kent TR02855039 1L by day
23 March
Battlesbury Bowl SPTA W, Warminster, Wilts ST90174657 1L by day
Merrist Wood, Worplesdon, Guildford, Surrey SU95835376 1L by day
Forest School, Sevenoaks NR, Kent TQ52155670 1L by day
21 March
Private Garden, Duddington, Northants
Towpath, Wey & Arun Canal, Loxwood, W.Sussex TQ04863091 1L by day
Newborough NNR, Llanfair PG, Anglesey SH422642 1L by day
Margam Burrows, Port Talbot, Glamorgan SS780837 1L by day
18 March
Curry Mallet, Somerset ST324218 1L by day
13 March
Little Bealings, Woodbridge, E.Suffolk TM230470 1L by day
5 March
Private garden, Woodrow, Dorset
4 March
Bullo, Newnham, W.Glocs SO68771016 1L by day
22 February
The Triangle, Brockweir, E.Kent SO54670185 1L by day
13 February
Wattle Wood, Tenterden, Kent TQ87333541 1L by day
9 February
Felincoed, Carmarthenshire SN64312669 1L by day
4 January
Empool Heath, W.Knighton, Dorset SY744876 1L by day
