Sunday, 4 May 2025

Glow worm reports 2025

 Most recent first.

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. Links are given only for publicly accessible sites, although we do not check that all sites are on full public access. Please note that the arrows on the linked maps may only be accurate to within 100-200 metres, so do not go on to private land or a garden on the basis of the arrow alone.  County names are those traditionally used for biological recording. Information is supplied on the basis of reports received and we can't guarantee that you will see any!
Thanks to Helen Welch for compiling the listing.
For more information about the UK Glow Worm Survey or to report where you've seen one, please go to www.glowworms.org.uk

19 June

Shawford, Hants, SU47262477, 2F

Fern Dale, Derbys, SK15996586, 5F

Badbury Rings, Dorset, ST96420299, 8F

Hazlewood Marshes, Friston, Suffolk, TM44115813, 1M to moth trap

Hazlewood Marshes, Friston, Suffolk, TM43885821, 9F

Inhams Copse, Silchester, Hants, SU62176132, 1F

Ford, Stockland, Devon, ST238028, 1F

Bretton Clough, Derbys, SK202786, 35F, 28M

Brandon Marsh Nature Centre, Warks, SP38577586, 13F

Thurnham, Kent, private land, 13F

Martin Down NNR, Hants, SU04861882, 3F, 5M

Finchampstead, California Country Park Path, Berks, SU78756512, 1F

Badminston, Sussex, SU465019, 1M

Maulden Wood, Beds, TL069386, 7F 


18 June

Malvern-Tewks Cutting, Worcs, SO79114194,  2F

Bentons Place Farm, Knepp Estate, Sussex, TQ14341952, 1F, 1M

Townclose Hills, Kippax, Yorks, SE406302, 5F, 10M, 1L

Thorverton, Devon, garden, 1F

Godinton Park, Ashford, Kent, TQ98684317, 2F, 1M

Weybourne Heath, Norfolk, TG12694205, 8F, 14M, 2L

Newtondale, N Yorks, SE818932, 5F, 4M. Also SE814929, 3F, 1M

Aston Clinton Ragpits, Herts, SP88871090, 1F

Peasmarsh, Sussex, garden, 1F

Brockweir, Glos, SO54050107, 1F. Also at SO54610132 (1F), SO54010106 (1F, 1M), SO54460155 (1F) and SO54760190 (1F)

17 June

Milldale, Derbys, SK13995443, 1F, 1M plus 15 M to light

Badgers Holt, Storrington, Sussex, garden, 2F

Snake Pass Woodlands, Hope Woodlands CP, Derbys, SK15898871, 11F 3M

Bordeaux Pit, Little Chesterford, Essex, TL513413, 12F

Seckerleigh, Devon, garden, 1F

Chedgrave, Norfolk, TM36559923, 1F by day


16 June

Riverdale. Seaton, Devon, SY24729122, 5F

Hazlewood Marshes, Suffolk, TM44115813, 1M in moth trap

Swaffham Bulbeck Fen, Cambs, TL53226613, 3F

Birch Hall, Langdale Forest, N Yorks, SE919927, 7F, 2M

Weacombe, Quantocks, Somerset, ST11354044, 1F

Bransford, Worcs, SO79585294, 20F

Creeksea sea wall, Essex, TQ934956, 1F

Forncett St Peter, Norfolk, TM172934, 4F

Manordeilo, Carmarthenshire, private land, 7F

Stoneham Lake, N Stoneham, Hants, SU43331730, 14F, 2M

Coxbench, Derbys, SK36944281, 8F, 1M


15 June

Tricombe, Devon, garden, 1F

Tinhay, Devon, SX39768571, 6F

Ellerburn Bank, N Yorks, SE852848, 23F, 7M + 16 M to lights 

Pexton Bank, N Yorks, SE853852, 2F, 6M

Barton Common, Barton-on-Sea, Hants, SZ24929323, 2F


14 June

Longbeech North NR, Ashford, Kent,TQ988508, 15F

Dersingham Bog, Norfolk, TF66512864, 1F

Hulbert Road layby, Waterlooville, Hants, SU69590882, 1F

Nant-y-Pandy (Dingle) NR, Anglesey, SH44677703, 2F

Pipers Vale, Ipswich, TM17424163, 2F 3M

Birch Hall, Langdale Forest, SE92529264, 1M to light

Berth Farm, Carmarthenshire, SN440042, 7F

Lympstone Cycle Path, Devon, SX993833, 2–5F


13 June

Kiln Farm, Long Melford, Suffolk, TL860494, 1M at moth trap

Cromford, Derbys,SK29285658, 1M at moth trap

Bentley, Suffolk, TM11353709, 1M at light

Anton Lakes, Andover, Hants, SU35724676, 1F

Pexton Bank, N Yorks, SE85288506, 3M at moth trap

Abney Clough, Derbys, SK205798, 1F


12 June

S Woodchester, Glos, garden, 1F

Raydon Great Wood, Suffolk, TM055408, 1F 

Godinton Park, Ashford, Kent, TQ98684317, 1F

Swarraton, N Hants, garden, 1F

Brickyard Lane, Brightling, Sussex, garden, 2F

Weybourne Heath, Norfolk, TG12694205, 1F, 13M, 2L


11 June

Hellingly, Sussex, garden, 1f

Ley Park, Blaisdon, Glos, SO71471742, 1L

Holbeton, Devon, SX617504, 1F. Also 1L at SX618501.

Rudge Hill NNR, Edge, Glos, SO847095, 1L by day

Tasburgh, Norfolk, TM20389540, 2F, 1M

Marehill, Pulborough, Sussex, garden, 4F 4M

Winding Stonard, New Forest, Hants, SU23821135, 3F

Slufters Underpass, New Forest, Hants, SU23550973, 5F

North Cheriton, S Somerset, ST68682569, 1F

Stalbridge NR, Dorset, ST74121776, 2F


10 June

Gresley Wood, Church Gresley, Derbys, SK29661743,19F 2M

High Peak Trail, Steeple Grange, Derbys, SK28645527, 1F

Sheephouse Wood, Calvert, Bucks, SP697235, 2F

Sherwood Forest, SK60656796, 2F

St Brides Major, Glam, SS89877551, 1F

Over Wallop, Hants, garden, 1F

Holmsley Passage, New Forest, SU22120144, 1F

Coed ty Mawr, Libanus, Breconshire SN983244, 11F

Ockley, E Kent, garden, 1F

Thursley, Surrey, garden, 1F 


9 June

Wotton-under-Edge, Glos, ST766950, 2F

Private Land, Furnace, Cardiganshire, 4F

Somerley Heath, Hants, SU12560647, 2F

Hockley Woods, Hockley, Essex TQ83839159  1L by day

Denton, Newhaven, Sussex TQ461029 1F


8 June

Private Garden, Kearnsey, Kent

SW Coast Path, Rame, Cornwall SX425489 1L by day

Mare Hill, Pulborough, W.Sussex TQ06621814 6F

Braziers Wood, Ipswich, Suffolk TM18404115  2F


7 June

Blean Woods, Herne, E.Kent TR184644 1L by day

Private Land,  Kirkby, N.Lincs 

Llandyry, Carmarthenshire SN440042  2F


6 June

Private Land, Trendlebere Down, Devon

Cromford Canal, Derbys SK31475575  1F

Private Land, Cold Ash, Berks 

Daintry Wood, Tingrith CP, Beds SP997312 3F

Greendale, Hazlebadge CP, Derbys SK170799  2F

Earl Rake, Hazlebadge CP, Derbys SK168802  2F

Jennings Dale, Hazlebadge CP, Derbys SK166801 1F

Oughtonhead Common, Hitchin, Herts TL16773004  3F 

5 June

Palmerston Meadow, Enford, S.Wilts SU14605161  1F

Vange, Basildon, Essex TQ71808720   1F


4 June

Private land, Cold Ash, Berks

Ogston Bridge, Higham, Derbys SK384596  1M

Private land, The Fence, Monmouthshire

Ingleby Incline, Battersby, NE York NZ595048  4F


3 June

Tasburgh, Norfolk TM203953  1L by day

Sheephouse Wood, Edgcott, Bucks SP697235  3F  

Gresley Woods, Church Gresley, Derbys SK2917   18F


2 June

Alfriston, E.Sussex TQ51500350  6F

Thornden Wood, Whitstable, E.Kent TR14656300  1L by day

Disused Railway, Mickleover, Derbys SK29143457  18F 3M

Private Garden, Littlecott, S.Wilts

Spreading Oak, New Forest, Hants SU23951070  2F

Fritham Cross Hollies, New Forest, Hants SU23881016  1F 1L

Slufters Underpass, New Forest, Hants SU23630967 3F

Ellerburn Bank NR, NE Yorks  SE852849  7F

Robin Hood, Baslow, Derbys SK27827214  7F


1 June

Walton Common NR, Walton in Gordano, Somerset ST42577344 1L by day

Bovey Heathfield NR, Bovey Tracey, Devon SX821768   1L by day

Kingsdon, Somerton, N.Somerset ST51762657 1L by day

Prey Heath, Worplesdon, Surrey SU993553  1M

West Common, Fawley CP, S.Hants SU4407400911 1L by day

Upper Exbury, S.Hants SZ4276999938 1L by day


31 May

Little Wood, Kilnsey, W.Yorks SD968671  1L by day

Wembury Point, S.Devon SX50454848 1L by day

Purdis Hall, Ipswich, Suffolk   TM216428  1L by day

Kingsdon, Somerset ST51762660  1L by day  

Canal, West Hythe, E.Kent TR1198534070 1L by day  

Higham Fisheries, Higham, Derbys SK386586  1F 


30 May

Avon Heath CP, St Leonards, S.Hants SU12630355  3M 

Slapton Bridge, Slapton, Kingsbridge, S.Devon SX827443  1F

Private Land, nr Moffatt, Dumfriesshire

Stanstead Great Wood, Long Melford, W.Suffolk TL855488 1M

Wolstonbury Hill, Clayton, W.Sussex TQ29021369  8M 

Morden Heath, Wareham, Dorset SY92319038  3M

Bethecar Moor Common, Yew Beck, Westmorland SD320901 4M

 

29 May

Old Colliery, Denby, nr Belper, Derbys SK391477  3M 

Disused Railway, Coxbench, Derbys SK369428  5F 1M

Inhams Copse, SIlchester, N.Hants SU62146131  1M

Parsonage Moor, Cothill, Berks SU46099982  3M  


28 May

Larcombe Foot, Winsford, Somerset SS89593621  3M

Truckle Hill, N.Wraxall, N.Wilts ST83177580 3M

28 May
Highdown, Worthing, W.Sussex TQ09750386  2L by day
Cannonhill, Colehill, Dorset  SU03810140   1F
Cranham, E.Glocs SO89561297   1F
Slapton, S.Devon SX826444 1F 

27 May
St Brelade, Jersey, Channel Isles WV56474790  1F

26 May
Wendover Woods, Bucks SP89150870  1L by day
Rue du Mont de la Mer, Jersey, Channel Isles WV58415165  1L by day 
Llangeitho, Cardiganshire  SN63675903  5F

25 May
Otford, W.Kent TQ525600  1L by day
Hannah’s Field, Trundle Wood, Bexon, Kent TQ88805873  1L by day 
Strumpshaw Fen, E.Norfolk TG33990599 1L by day
Bough Beech Reservoir, W.Kent TQ49844894  1L by day
Private land, Woodrow, Fifehead Neville, Dorset  
Private land, Cerrig Mawr, Cardiganshire
Pentraeth, Anglesey  SH515778  2F 

24 May
Dungeness NR, Kent TR063186  1L by day
North Hill, Selworthy, Minehead, Somerset SS91754714  1L by day
Down Plantation, Mothecombe, Devon SX614480   1L by day
RSPB Highnam Woods, W.Glocs SO778191 5L by day

23 May
Southleigh, Doddiscombsleigh, S.Devon SX85058539  1L by day
Covert Wood, Barham CP, E.Kent TR183481  1L by day
Uley Bury, Crawley, Glocs ST78799901  1L by day
College Lake, Tring, Bucks SP93581394 1L by day
Carmarthen Luxe Lakes, Nantgaredig, Carmarthenshire SN49121959  1F 
Perseverance Hill, Malvern Wells, Worcs SO77214307  1F 1F111F1TR  183481  111
Church, Thornham Magna, E.Suffolk TM10407142  1L by day

22 May
Private land, Fallgate, Derbys
Private land, South Chailey, E.Sussex

21 May

Beacon Hill, Old Burghclere, N.Hants  SU45665734  1L by day

Windsworth, St Martin by Looe CP, Cornwall SX281543   1L by day

Arreton Down, Isle of Wight SZ5365987074  1L by day

Malltraeth, Anglesey SH41696978  3F


20 May

Hastings CP LNR, E.Sussex TQ857111 1L by day

Ham Street Woods NNR, E.Kent  TR00913472  1L by day

Parkhurst Forest, Isle of Wight SZ475901  1L by day

Milford Grange CP, Storrington, W.Sussex TQ10991411  1F


19 May

Wye Downs NNR, E.Kent TR079453  1L by day

Kearsney, E.Kent TR28304370  1L by day

Greenway, Stratford upon Avon, E.Glocs SP18755328  1F 1M  


18 May

Wicken Poors Fen, Cambs TL56207028  1L by day

Bonsai Bank, Denge Wood, E.Kent TR10655147  1L by day

Pits Lane, Chedgrave, E.Norfolk TM36539925 1L by day


17 May

Bokerley Ditch, Martin CP, Wilts SU05221827  1L by day

Dickers Wood, Ruckinge CP, Kent TR026348  1L by day


16 May

Woolner’s Carr, Carlton, Suffolk TM503916  1L by day

Cotty’s Point, Perranporth, W.Cornwall SW758551 1L by day 

Denge Wood, E.Kent TR105509  1L by day

Burfield Estate, Hailsham, E.Sussex TQ58691152   1L by day

Underbarrow Road, Scout Scar, Westmorland SD48959240  1F  

The Hawks Nest, Isle of Cumbrae, Clyde Isles NS17275428 1L by day 


15 May

Blinks Wood, Southwater, W.Sussex TQ15062513 1L by day

Prestbury Hill, E.Glocs  SO99262481 1L by day


14 May

Private Garden, Orleston, E.Kent

Kingsdon, N.Somerset ST51752657  1L by day

13 May

Banstead Downs, Surrey TQ25566093 2L by day

Lineage Wood, Long Melford, W.Suffolk TL889478  1L 


12 May

Private Garden, Forncett, E.Norfolk 

Fovant Down, Salisbury, Wilts SU00602742  1L by day

Stampwell, Seer Green, Bucks SU97309013  1L by day

Martin Down NNR, Hampshire SU053192   4L by day

Covert Wood, E.Kent TR183481 1L by day


11 May

Fineshade Wood, King’s Cliffe, Northants SP99759767  1L by day

Collipriest, Tiverton, Devon SS95291166 1L by day

Knepp, Horsham, W.Sussex TQ13722032  1L by day

Calstock, Cornwall SX43746826  1L by day

Edgbarrow Woods NR, Crowthorne, Berks SU82936264  1L by day

Pentridge, Blagdon, S.Wilts SU05311822  1L by day


10 May

Arger Fen, Spouses Vale NR, W.Suffolk TL93493540  1L by day

Slapton Ley, Devon SX825452 1L by day

Piper’s Vale, Ipswich, Suffolk TM17594149  5L by day 

 

9 May

The Larches, Boxley Wood, E.Kent TQ787589 1L by day

Corse Lawn, Worcs SO83093184   1L by day

Private Land, Norton, E.Sussex

Homefield Wood, Marlow,  Bucks SU814867  1L by day


8 May

Lambert Hag Wood, Rievaulx, NE Yorks SE56578567 1L by day

Kenfig NNR, Glamorgan SS78538124 1L by day

RSPB Arne, Dorset SY9755788167 1L by day

Prestsbury Hill, Glocs SO99132466  2L by day   


7 May

SW Coast path, Holywell, Cornwall SW76455903  1L by day


6 May

Sevenoaks WR, Kent TQ527569 1L by day


5 May

Bredon Hill, Bredon’s Norton, Worcs SO945389  1L by day


3 May

Bowdown Woods NR, Thatcham, Berks SU510655  1L by day

Hothfield, Ashford, Kent TQ96924644 1L by day 

Pulborough Brooks RSPB, Wiggonholt, W.Sussex TQ059166  2L by day


2 May

Kinver, Kingsford, Staffs SO825820  1L by day

Denge Woods, E.Kent TR100509 1L by day 


1 May

Old Sulehay Forest, Wansford, Northants TL066985  1L by day

Lower Moor NR, Somerford Keynes, Wilts SU01189404 1L by day

Hoe Rough NR, Beetley, W.Norfolk TF980169 1L by day

Swindale Road, Westmorland NY52171436  2L by day

Burrington Ham, N.Somerset ST48445860 1L by day

Stoney Park Plantation, Carsbui, Wigtownshire  NX329661 1L by day 

Barnsley Warren, E.Glocs SP052069  1L by day

Nore Folly, Slindon, W.Sussex SU94920934  1L by day


30 April

Markland Grips, Clowne, Derbys SK512753 2L by day


29 April

Woodrow, Fifehead Neville, Dorset ST75901086  1L by day

Compton Down, Dorset ST88141883  1L by day


28 April

Hurst Woods,Boughton Street, K.Kent TR063585 1L by day 

Grangelands NR, Princes Risborough, Bucks SP828051  1L by day

Old Park Wood, Goudhurst, W.Kent  TQ75243889 1L by day

Chambers Farm Woods, N.Lincs TF14657414  1L by day


27 April

Askam Beach, Cumbria, Westmorland SD20667634  1L by day

Trench Wood, Oddingly, Worcs SO92885876  1L by day

Grovely Hill, Wilton, Wilts SU08163303  2L by day

Church Wood, Pembury, W.Kent TQ630431  1L by day

Margam Moors, Glamorgan SS77748403  1L by day

Combe, Brixton, Devon SX546523  1L by day

Oxwich Bay, Glamorgan SS50078689 1L by day 


26 April

Hewelsfield Common, W.Glocs SO55270247  1L by day

Warren Hill, Jenners Wood, W.Sussex TQ11541446 1L by day

Newbourne, E.Suffolk TM27314334  1L by day

Whiteford Beach, Gower, Glamorgan SS436946   1L by day

Oughtonhead, Hitchin, Herts TL16603017  1L by day

West Wood, N.Wilts SU149662 3L by day

Haugh Wood, Fownhope, Herefordshire SO59183645  1L by day

Newbourne Springs NR, Suffolk TM27364334  1L by day


25 April

Staple Plantation, West Quantoxhead, Somerset ST112412  1L by day

Beresford Dale, Derbys SK12785881 1L by day


24 April

Private land,  Cwm-y-Rhaeadr, Carmarthenshire

Sevenoaks NR, W.Kent TQ52345673 1L by day

Cross in Hand, E.Sussex TQ566217  1L by day  


23 April

Juniper Hall, Mickleham, Surrey TQ174527 1L by day

Magor Marsh, Monmouthshire ST425866  1L by day  

Dunstable Downs, Beds TL004196 4L by day


22 April

Swindale Road, Rosgill Moor, Westmorland NY52181441 1L by day 


20 April

Corfe Common West, Dorset SY955811  1L by day

Furners Lane, Henfield, W.Sussex TQ22021616  1L by day


19 April

Langford, Salisbury, Hants SU25761726  1L by day

SPTA Milston Down, Wiltshire SU201460  1L by day

Covert Wood, E.Kent TR183481 1L by day


18 April

Woldingham, Caterham, Surrey TQ375563  1L by day

Trundle Wood, Bexon, E.Kent TQ88905859  1L by day


17 April

Rudge Hill NNR, E.Glocs SO846088  1L by day


15 April

Southleigh Woods, S.Wilts ST87584268    6L by day


14 April

Thorndon CP, Brentwood, Essex TQ610907  1L by day


13 April

Clumber Park, Notts SK644773  1L by day

Clowes Wood, E.Kent TR13136276  1L by day


12 April

Parc Slip NR, Glamorgan SS878838  1L by day

Cheesefoot Head, N.Hants  SU52902779 1L by day 

West Blean Wood, E.Kent TR173639  1L by day

Patterdale, Westmorland NY397179  2L by day


11 April

Winterbourne Down RSPB, S.WIlts SU221398  3L by day

Porth Oer, Caernarvonshire SH16743014  1L by day


9 April

Hay Bridge NR, Westmorland SD33518725  1L by day

Old Park, Canterbury, Kent  TR17215889  1L by day


8 April 

Farland Point, Cumbrae, N.Ayrshire  NS174543  2L by day

Coniston, Westmorland SD28829809  1L by day

 

7 April

Cors Caron, Tregaron, Cardiganshire SN687621  1L by day

Millport N .Ayrshire  NS17375421   1L by day

Slapton, Devon SX82344477  1L by day  


6 April

Merthyr Mawr NR, Glamorgan SS87177677  1L by day


5 April

Harlech, Gwynedd SH572314  1L by day


4 April

Martlesham, E.Suffolk TM239464 1L by day


3 April

NT Blickling Estate, Norfolk  TG17692856  1L by day

Haysden CP, Tonbridge, Kent TQ562461 1L by day


2 April

Arne, Dorset SY97368818  1L by day

Purchase Wood, Dallington, E.Sussex TQ67661990   2L by day

Bedgebury Forest, Goudhurst, W.Kent TQ72103305  1L by day

 


31 March

Private Land, East Blatchington, E.Sussex 

Park Wood, Burwash, E.Sussex TQ67312318  1L by day

Duncliffe Wood, Stour Row, Dorset ST828222  1L by day


30 March

Leydene Bottom, S.Hants SU67511866 1L by day 

Gellilwyd Fach, Dolgellau, Gwynedd  SH71071678  1L by day

St Ouens, Jersey, Channel Isles   WV57254969  1L by day


28 March

Ditchampton, Wilton, Wilts SU08843222 1L by day


25 March

Lower Minnetts, Monmouthshire ST44968883  1L by day

Wicken Fen, Cambs TL56047050 1L by day

Kinver, Stourbridge, Staffs SO8382 1L  by day


23 March

Fawley, Bucks SU757866  1L by day


21 March

Llangeitho, Cardiganshire  SN63675903  1L by day


18 March

Coed y Bont, Cardiganshire SN73646484  1L by day


14 March

Warton Crag RSPB, W.Lancs SD49117257   1L by day


9 March

Mowsbury Hill, Brickhill, Beds TL06545320   2L by day


6 March

Lyscombe NR, Dorset ST73800140  1L by day


3 March

Stratford Greenway, Weston-on-Severn, Glocs SP17005142  1L by day