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70.121 Hydria undulata - Scallop Shell

Scallop Shell (Hydria undulata)
Scallop Shell (Hydria undul...

Species account from Moths of Glamorgan
(Gilmore, Slade & Stewart, 2009):

Univoltine, flying from June to mid August in woodland. A very local species, despite being widely distributed in the county. It is found on Gower and in central and northern districts, but is absent from the Cardiff area and the southern coastal belt.



10km Distribution Map

Blue squares represent records from before 2000, Red squares are post 2000 records.

Tetrad Distribution Map

Blue squares represent records from before 2000, Red squares are post 2000 records.

  = pre 2000 records
  = post 2000 records (inclusive)

Moth Records

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Site Gridref Quantity Date Recorder More Info
Lone Road, Clydach, Swansea SN688020 1 01 Jul 2009 Andrew Lucas
Pencaecrwn Road, Gorseinon SS584994 1 25 Jun 2012 Barry Stewart
Clos Helyg, Gowerton SS587964 1 28 Jun 2008 C. Manley
Glen Moor, Reynoldston, Gower SS468909 1 07 Jul 2009 David Painter
Cwm-twrch Isaf SN7610 1 01 Aug 2000 Gwyn Roberts
Aberbargoed (Coed y Moeth Road) SO15620065 1 22 Jul 2014 Christian Owen
Bridgend Paper Mills SS8787 0 1991 to 1995 Martyn Hnatiuk
Lone Road, Clydach, Swansea SN688020 0 25 Jul 2012 Andrew Lucas
hb garden ST081818 1 04 Aug 2015 Howard Burt
Crymlyn Bog SS688941 1 01 Jul 2015 C. Manley
Mynydd Aberdar, RCT/MT border SO0205 1 22 Jul 2021 Mark Evans
Merthyr, (Dyffryn Fawr - Pentrebach) SO069037 1 04 Jul 2006 Mark Evans
Waterfall Terrace, Resolven SN824018 1 25 Jul 2016 Jenny Colley
Ynys-y-mond, Alltwen SN722029 1 22 Jul 2006 Janet Keauffling, S. Keauffling
Brunant Road, Gorseinon SS588989 1 11 Jun 2015 Christopher Brewer
Graig yr Hesq, Pontyprydd ST0791 0 Aug 1992 to Feb 1994 Alex Coxhead, Recorder Unknown
Waterfall Terrace, Resolven SN824018 1 16 Jun 2017 Jenny Colley
Abernant North SO0065403991 1 11 Aug 2016 Mark Evans
Maesteg, Mynydd Bach (west) SS8592 1 09 Jul 2011 P. Parsons
The Parade, Ton Pentre SS968952 0 26 Jul 2013 Gilbert Davies
Glen Moor, Reynoldston, Gower SS468909 1 14 Jul 2006 David Painter
Barry (Sherbourne Close) ST099696 1 13 Jul 2018 Stephen Passey
Trevallen Avenue, Cimla SS7639296521 1 18 Jun 2016 E.W. Ieuan Blackmore
Alexander Place, Abercanaid, Merthyr Tydfil SO059036 1 14 Jun 2006 Mike Hogan
Aberbargoed SO157005 1 24 Jul 2012 Christian Owen
Parc Slip Nature Park, Tondu SS8813684265 3 30 Jun 2015 Vaughn Matthews
Fforch-Dwm Farm, Tonmawr SS82099720 1 12 Jul 2019 E.W. Ieuan Blackmore
Alexander Place, Abercanaid, Merthyr Tydfil SO059036 1 14 Jul 2005 Mike Hogan
Cwm Clydach Country Park, Tonypandy SS965928 2 26 Jul 2002 Glamorgan Moth Recording Group
Clos Helyg, Gowerton SS587964 1 10 Jul 2014 C. Manley
Glais / Craig y Pal 1km square SN7000 3 16 Jul 1998 Barry Stewart
Llyn Fach SN9003 1 24 Jul 2014 George M. Tordoff
Cwmbach (Tyle Robert), Aberdare SO033024 1 13 Jul 2003 Mark Evans
Sea View, Cwm Ivy SS438937 2 18 Jun 2005 Veronica Shenston
Cwmbach, Disused Refuse Tip SO019016 2 16 Jul 2004 Mark Evans
Waterfall Terrace, Resolven SN824018 1 08 Jul 2011 Jenny Colley
Stanleytown ST011947 1 17 Jul 2005 Roger Price
Maesteg, Garth Hill (north) SS8790 1 24 Jul 2004 Paul Parsons, Martyn Hnatiuk
Sea View, Cwm Ivy SS438937 1 12 Jul 2005 Veronica Shenston
Cwm Pelenna Forestry SS8095 1 15 Jul 2006 Dave Cornish
Abernant (upper) and Werfa SO0197903195 1 20 Jul 2013 Mark Evans
Taf Fechan (site 2), Merthyr SO063102 1 24 Jul 1997 David Gilmore, Mike Powell
Waterfall Terrace, Resolven SN824018 1 08 Jul 1999 Barry Stewart
Wenallt Farm SS7899 0 1864 J.P. Llewellyn, J.T. Llewellyn
Tylchawen Crescent ST01008697 0 14 Jul 2020 Elaine Wright
Cwmbach (Ton-Ty-Pel), Aberdare SO033013 1 26 Jul 2001 Mark Evans
Tylchawen Crescent ST01008697 0 19 Jul 2021 Elaine Wright
Merthyr Mawr SS872769 0 11 Jun 2016 Marc Botham
Plunch Lane, Limeslade, Mumbles SS62298727 1 05 Jul 2014 Owain Gabb
Abercregan SS84629698 1 30 Jul 2020 Paul Parsons
Margam Discovery Centre SS807854 1 02 Jul 2010 S.H. Hind
Pontygwaith (south) ST014935 1 27 Jul 2006 David Gilmore, Mike Powell
Graig yr hyvan, Senghenydd ST112913 1 11 Jul 2011 Tony Williams
Crymlyn Bog SS697950 0 1900 to 1997 Martin White
Plunch Lane, Limeslade, Mumbles SS62298727 1 18 Jul 2014 Owain Gabb
Parc Slip Nature Park, Tondu SS8813684265 1 17 Jun 2014 Vaughn Matthews
Whiteford NNR (Rothamsted - 1976 & 1977) SS442944 1 13 Jul 1977 M.R. Hughes
Pencaecrwn Road, Gorseinon SS585995 1 06 Jul 2001 Barry Stewart
Church Village ST07348671 2 04 Jul 2019 Mark Evans
Cefn Mably Woods (north) - (Caerphilly UA) ST217844 1 09 Aug 2015 George M. Tordoff
Pluck Lake SS671960 1 14 Jul 2013 C. Manley
Nantyffyllon SS85239227 1 14 Jun 2017 Paul Parsons
Pencaecrwn Road, Gorseinon SS585995 1 10 Jul 2003 Barry Stewart, Sandra Stewart
Maesteg, Mynydd Bach (west) SS8592 1 25 Jul 2011 P. Parsons
Ynys-y-mond, Alltwen SN722029 2 13 Jul 2006 Janet Keauffling, S. Keauffling
Alexander Place, Abercanaid, Merthyr Tydfil SO059036 1 29 Jun 2010 Mike Hogan
Lower Cwmtwrch SN7610 1 15 Jul 2003 Gwyn Roberts
Cwm Grassland ST073866 0 04 Jul 2019 Graham Watkeys
Glen Moor, Reynoldston, Gower SS469908 2 04 Jul 2011 David Painter
hb garden ST081818 1 22 Jul 2014 Howard Burt
Dare Valley CP (east), Aberdare SN983027 1 21 Jul 2006 Mark Evans
Clos Helyg, Gowerton SS587964 1 25 Jul 2014 C. Manley
Wern Ddu (north), Caerphilly ST1786 1 19 Jul 2004 David Grundy
Pant-y-sais (2010 boardwalk) SS713940 2 24 Jul 2010 Glamorgan Moth Recording Group
Crymlyn Bog (south east) (NPT) SS703937 2 16 Jul 2004 Barry Stewart, Sandra Stewart
Craig-yr-Allt, Taff’s Well ST139851 1 21 Jul 2005 David Gilmore, Mike Powell
Sea View, Cwm Ivy SS438937 2 13 Jul 2005 Veronica Shenston
Clos Helyg, Gowerton SS587964 1 10 Jul 2015 C. Manley
Castell Coch Woodland ST130827 0 1917 Williams
Overland Road SS614878 1 25 Jul 2005 Tristan Bantock
Merthyr Mawr SS87177701 1 11 Jun 2016 Paul Parsons
Church Village (Tynant Coke Works#pools) ST070864 3 02 Jul 2009 D.R.W. Gilmore, M.C. Powell
Taf Fechan Valley (north) SO0410 0 09 Jul 2005 Mark Evans;Mike Hogan
Castell Coch Wood (south)/Fforest-fawr, Cardiff ST1382 0 1887 to 1910 C.W. Williams
Coed Cefn-pwll-du, Draethen ST213874 1 16 Aug 1998 David Gilmore, Mike Powell
Morlais Castle (quarry & ponds) SO0509 1 25 Jul 2005 Mike Powell
Wern Ddu (north), Caerphilly ST1786 5 19 Jul 2004 David Grundy
Brunant Road, Gorseinon SS588989 2 30 Jun 2015 Christopher Brewer
Senghenydd ST118909 1 30 Jul 2010 Tony Williams
Manselfield (Llewellyn garden/quarry) SS5988 1 19 Jul 2013 Owain Gabb
Wern Ddu (south), Caerphilly ST1785 5 19 Jul 2004 David Grundy
Maesteg, Mynydd Bach (west) SS8592 1 14 Jul 2007 Paul Parsons
Senghenydd ST118909 1 13 Jul 2010 Tony Williams
Senghenydd ST118909 1 30 Jul 2008 Tony Williams
Crymlyn Bog (Jersey Marine) site 2a SS706938 1 13 Jun 2009 B. Stewart & V. Shenston
Plunch Lane, Limeslade, Mumbles SS62298727 1 24 Jul 2014 Owain Gabb
hb garden ST081818 1 14 Jul 2017 Howard Burt
Crymlyn Bog visitor centre and surrounds (CCS) SS687944 1 01 Jun 1998 Kevin Dupé, Martin White, Rob Taylor
Clos Helyg, Gowerton SS587964 1 30 Jun 2010 C. Manley
Taf Fechan (site 4), Merthyr SO061101 1 21 Jul 1996 David Gilmore, Mike Powell
Cwm-twrch Isaf SN7610 0 01 Aug 2000 Gwyn Roberts
Ewenny Down SS912761 1 29 Jun 2003 Geri Thomas
Mynydd Aberdar, RCT/MT border SO0205 1 16 Jul 2021 Mark Evans
Drym (south of Onllwyn) 1km square SN843095 1 21 Jul 2004 Barry Stewart
Maesteg,cwm sychbant/cwm cerwyn SS8490 2 08 Jul 2005 Martyn Hnatiuk
Mynydd Garn-goch (east) SS612982 0 1864 J.P. Llewellyn, J.T. Llewellyn
Lower Cwmtwrch SN7610 0 27 Jun 2001 Gwyn Roberts
Lower Cwmtwrch SN7610 1 10 Jul 2001 Gwyn Roberts
Sea View, Cwm Ivy SS438937 1 29 Jun 2002 Veronica Shenston
Sea View, Cwm Ivy SS438937 1 19 Jul 2006 Veronica Shenston
Parc Slip Nature Park, Tondu SS8813684265 2 10 Jul 2013 Vaughn Matthews
Church Village ST090854 0 06 Jul 2020 Phillip Perry
Sketty SS6292 0 1893 R.B. Robertson
Moel Troed-y-rhiw SS8497 1 17 Jul 2013 P. Parsons
Cwm Cedfyw SS8988 1 25 Jul 2005 Colin W. Plant
Lower Cwmtwrch SN7610 0 10 Jul 2001 Gwyn Roberts
Three Crosses SS5668194098 3 25 Jun 2014 Rhiannon Bevan
Waterfall Terrace, Resolven SN824018 1 11 Jul 2010 Jenny Colley
Park Mill Woods SS5390 2 28 Jun 2004 David Grundy
Cwm Colhuw Nature Reserve SS960674 1 26 Jul 2013 Glamorgan Moth Recording Group
Senghenydd ST118909 1 02 Jul 2011 Tony Williams
Hirwaun Industrial Estate SN9323106432 2 25 Jul 2009 Mike Hogan
Caerau, Maesteg SS855944 1 Jul 1996 Martyn Hnatiuk
Glen Moor, Gower SS468909 1 24 Jun 2010 David Painter
Sea View, Cwm Ivy SS438937 1 11 Jul 2005 Veronica Shenston
Cwmgwrach SN86670538 1 29 Jun 2020 John Evans
hb garden ST081818 1 21 Jun 2016 Howard Burt
Maesteg, Spelter SS8593 1 02 Aug 2004 Paul Parsons, Martyn Hnatiuk
Hensol Forest (Mynydd y Glew) ST0376 1 10 Aug 2004 Butterfly Conservation
Pencoed College SS969819 1 21 Jul 2004 Simon Warmingham
Pencaecrwn Road, Gorseinon SS58469949 1 24 Jun 2014 Barry Stewart
Waterfall Terrace, Resolven SN824018 1 18 Aug 2012 Jenny Colley
Witford Point (Baglan Burrows) SS726921 1 01 Jun 2019 George M. Tordoff
Llyn Fach SN9067403768 1 24 Jul 2014 Mark Evans
Glen Moor, Reynoldston, Gower SS469908 1 29 Jun 2005 David Painter
Felindre - fritillary field (east) SN640008 1 24 Jun 2009 Barry Stewart
Waterfall Terrace, Resolven SN824018 1 13 Jul 2014 Jenny Colley
Cwmbach (Coed-Tir-Estyll), Aberdare SO033010 1 12 Aug 2002 Mark Evans
Parc Slip Nature Park, Tondu SS8813684265 1 03 Jul 2014 Vaughn Matthews
Cwm Colliery Grasslands ST07428664 2 04 Jul 2019 Vaughn Matthews, Lorna Baggett
Aberdare Country Park SN980027 0 15 Jul 2005 Martin Bell
Parc Slip Nature Park, Tondu SS8813684265 2 17 Jul 2014 Vaughn Matthews
Clydach SN6802 0 20 Jul 2013 Andrew Lucas
Cwmbach (Tyle Robert), Aberdare SO033024 1 13 Jul 2003 Mark Evans
Parcau Avenue, Bridgend SS891798 1 15 Jul 2015 Emma Cram, Mike Cram
Nantgarw ST123854 1 16 Jul 2013 Alan Rosney
Sea View, Cwm Ivy SS438937 1 11 Jul 2007 Veronica Shenston
Bosch Factory, Miskin ST0579 1 19 Jun 2003 Martyn Hnatiuk
Cwmdulais Cottages SN617035 1 28 Jul 1998 Barry Stewart, Sandra Stewart
Brunant Road, Gorseinon SS588989 1 12 Jul 2013 Christopher Brewer
Bryn Hir, Cwmbach, Aberdare SO028018 1 23 Jul 2005 Mark Evans
Glen Moor, Reynoldston, Gower SS469908 1 11 Jul 2011 David Painter
Cwm-twrch Isaf SN7610 0 25 Jul 2000 Gwyn Roberts
Aberbargoed SO15620065 0 17 Jul 2016 Christian Owen
Brunant Road, Gorseinon SS588989 1 07 Jul 2021 Christopher Brewer
Glen Moor, Gower SS468909 1 09 Jul 2013 David Painter
Werfa, Cwmbach SO022033 1 28 Jul 2002 Mark Evans
Nantyffyllon SS854929 1 09 Jun 2018 Paul Parsons
Pencaecrwn Road, Gorseinon SS585995 1 30 Jun 2009 Barry Stewart
Senghenydd ST118909 1 01 Jul 2009 Tony Williams
Blaen-nant, Abernant SO0253204532 1 05 Jul 2013 Mark Evans
Lower Cwmtwrch SN7610 1 27 Jun 2001 Gwyn Roberts
Sea View, Cwm Ivy SS438937 1 19 Jul 2006 Veronica Shenston
Waterfall Terrace, Resolven SN824018 1 25 Jun 2014 Jenny Colley
Cwmbach, Aberdare SO028018 1 16 Jul 2021 Mark Evans
Back Garden ST15048636 1 15 Jul 2017 Paul Challinor
Glen Moor, Gower SS468909 1 26 Jul 2013 David Painter
Rest Bay, Porthcawl SS808779 1 24 Jul 2006 Steve Moon
Merthyr Mawr Warren (north west) SS85087706 2 30 Jun 2015 George M. Tordoff
Glen Moor, Reynoldston, Gower SS468909 1 09 Aug 2002 Mike Bailey
Rudry Garden ST1881987325 3 23 Jul 2014 Trevor Fletcher
Horton SS4785 1 10 Jul 1999 Barry Stewart
Sea View, Cwm Ivy SS438937 1 25 Jun 2005 Veronica Shenston
Merthyr Tydfil (G. Fleming) SO0406 0 1900 to 1927 George Fleming
Glen Moor, Reynoldston, Gower SS468909 1 02 Jul 2003 David Painter
Glen Moor, Reynoldston, Gower SS468909 1 30 Jun 2009 David Painter
Waun y gilfach, Llangynwyd SS847883 1 17 Jul 2021 Paul Parsons
Abercregan SS84699637 1 08 Aug 2020 Paul Parsons
Alun Valley Rifle Range SS908763 2 16 Jul 2015 George Tordoff, Paul Parsons, Nick Sharp & Scott Hand
Groose Cottage, Cwm Ivy, Gower SS439936 1 29 Jun 2005 Emma Cram, Mike Cram
Waterfall Terrace, Resolven SN824018 2 06 Jul 2009 Jenny Colley
Nantyffyllon SS85389295 2 26 Jul 2019 Paul Parsons
hb garden ST081818 1 14 Jul 2015 Howard Burt
Maerdy HQ SS975982 1 16 Jul 2021 Emma Williams
Lower Cwmtwrch SN7610 0 31 Jul 2001 Gwyn Roberts
Waterfall Terrace, Resolven SN824018 1 07 Jul 2017 Jenny Colley
Y Gweira Wildlife Trust Reserve (north) ST0585 2 21 Jul 2015 George Tordoff & WTSWW
Lower Cwmtwrch SN7610 0 11 Jul 2005 Gwyn Roberts
Alun Valley Rifle Range SS908763 1 10 Jun 2016 C. Manley
Seven Sisters (Forestry margin) SN826088 1 10 Aug 2013 George Tordoff, Richard Smith & Mike Thornton
Lower Cwmtwrch SN7610 1 21 Jul 2005 Gwyn Roberts
Broughton Burrows SS4192 1 18 Jun 2016 Emma Cram, Holly Cram, Mike Cram
Senghenydd ST118909 1 22 Jul 2012 Tony Williams
Bargoed ST144999 1 25 Jul 2007 Bill Jones
Taf Fechan Valley (north) SO0410 2 09 Jul 2005 Mike Hogan, Mark Evans
Glen Moor, Gower SS468909 1 25 Jun 2016 David Painter
Lower Cwmtwrch SN7610 1 31 Jul 2001 Gwyn Roberts
Brunant Road, Gorseinon SS588989 1 10 Jul 2015 Christopher Brewer
Alun Valley northeast SS907762 1 16 Jul 2015 C. Manley
Parc Slip Nature Park, Tondu SS8813684265 1 23 Jul 2013 Vaughn Matthews
Aberbargoed SO157005 1 19 Aug 2012 Christian Owen
Cwm-twrch Isaf SN7610 1 25 Jul 2000 Gwyn Roberts
Bryn-du & Ty'n-y-coedcae SO00250711 1 12 Jul 2018 Mark Evans
Pencaecrwn Road, Gorseinon SS585995 1 29 Jun 1997 Barry Stewart, Sandra Stewart
Glen Moor, Gower SS468909 1 30 Jun 2015 David Painter
Three Crosses SS5694794445 2 01 Jul 2014 Rhiannon Bevan
Taf Fechan nature reserve SO03590844 1 02 Sep 2021 Graham Watkeys
Rhydycar West, Merthyr SO0404 1 25 May 2005 Unknown
Glen Moor, Gower SS468909 1 10 Jun 2016 David Painter
Merthyr Mawr SS87077733 1 20 Jun 2017 Paul Parsons
Clydach SN6802 0 25 Jul 2014 Andrew Lucas
Glen Moor, Gower SS468909 1 08 Jul 2016 David Painter
Alexander Place, Abercanaid, Merthyr Tydfil SO059036 1 12 Jul 2011 Mike Hogan
Llantrisant (Evan John site) ST0483 0 1857 to 1914 Evan John
Lower Cwmtwrch SN7610 0 21 Jul 2005 Gwyn Roberts
Rhiwceiliog SS969843 0 08 Jul 2009 Andrew Lucas
Greenfield Terrace SS890868 1 11 Jul 2014 Laura Palmer
Cymmer Tip SS862972 3 29 Jul 2013 C. Manley
Gelligaer ST131971 1 04 Jul 1998 Geri Thomas
Cwmbach, Aberdare SO028018 1 19 Jul 2019 Mark Evans
Darran Park, Pontypridd ST077912 1 04 Aug 1992 Alex Coxhead
Cwmdulais Cottages SN617035 1 29 Jun 2003 Barry Stewart, Sandra Stewart
Llandarcy Oil Refinery (south) SS705947 1 26 Jul 2001 Martin White, R.H.A. Taylor
Crymlyn Bog visitor centre and surrounds (CCS) SS687944 0 09 Jul 1997 Kevin Dupé, Martin White, Rob Taylor
Drysiog, Bryn SS82599239 1 06 Jul 2019 Paul Parsons
Lower Cwmtwrch SN7610 0 15 Jul 2003 Gwyn Roberts
Clos Helyg, Gowerton SS587964 1 18 Jun 2016 C. Manley
Stanleytown ST011947 1 02 Aug 1997 Roger Price
Blaencanaid Wood (east) SO0304 1 12 Jul 2005 Mike Hogan, Mark Evans
Abercregan SS84629698 1 19 Jul 2018 Paul Parsons
Lower Cwmtwrch SN7610 1 11 Jul 2005 Gwyn Roberts
Waterfall Terrace, Resolven SN824018 1 17 Jun 2014 Jenny Colley
Brynllywarth, Llangynwyd SS87338777 1 07 Jul 2018 Paul Parsons
Aberbargoed SO157005 1 09 Aug 2012 Christian Owen
Bryn Hir, Cwmbach, Aberdare SO028018 1 25 Jul 2006 Mark Evans
Park Pond Nature Centre, Tondu SS881842 1 24 Jul 1997 Nigel Ajax-Lewis
Parc Slip Nature Park, Tondu SS8813684265 1 16 Jul 2015 Vaughn Matthews
Oxwich SS505875 0 1800 to 2007 Unknown (CCW database)

Moth Images (2)

Scallop Shell (Hydria undulata)
Scallop Shell...
Scallop Shell (Hydria undulata)
Scallop Shell...