Glapthorn Cow Pasture
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Condition (Natural England)
| Unit | Feature | Condition | Area (ha) | Assessed |
|---|---|---|---|---|
| TL002905 | — | Unfavourable Recovering | 28.22 | 2011-07-15 |
Habitats
Geology & landscape
Rock Type: Glacial Till
Landscape processes: Glacial
Birds & fish recorded
Birds
| Species | Season |
|---|---|
| nightingale | Breeding |
Description
Area, 28.2 hectares 69.7 ac Description Glapthorn Cow Pasture is an area of dense blackthorn scrub and ash maple woodland which supports the largest colony of the black hairstreak butterfly Satyrium pruni in Northamptonshire and is one of the most important sites for this species in Britain. The black hairstreak is a notable woodland species which has been recorded from only 78 localities in Britain of which only about 30 colonies were still present in 1970. All these localities are now confined to the low lying area of the Oxford Clay between Oxford and Peterborough and oolite overlain by boulder clay as at Glapthorn to the north west. An important requirement of a black hairstreak colony is for high densities of Prunus, usually blackthorn Prunus spinosa, in sunny, sheltered situations. These conditions are favoured by the traditional type of management in East Midlands forests, which consists of long coppice cycles, in which small areas of wood are cleared annually, allowing the development of mixed stands of scrub, each surviving for at least 20 years. At Glapthorn, the blackthorn scrub is specifically managed to provide these conditions. The scrub also forms a nesting site for nightingales Luscinia megarhynchos and the site as a whole also includes a number of damp grassy rides and glades which support a good assemblage of plants including greater dodder Cuscuta europaea a notable species in Britain and provide valuable additional habitat for invertebrates.
Species mentioned
Show the 4 species mentioned in the description, with red-list status| English name search for this in other sites |
Latin name search with Google |
IUCN / Red List | Type | Family |
|---|---|---|---|---|
| nightingale | Luscinia megarhynchos | VU (Breeding) | bird-robin | muscicapidae |
| black hairstreak | Satyrium pruni | EN | butterfly | lycaenidae |
| greater dodder | Cuscuta europaea | NT | herb | cuscutaceae |
| blackthorn | Prunus spinosa | LC | shrub | rosaceae |
Insects to look out for
These moths, butterflies and beetles are known to feed on plants recorded at this site, and carry a notable UK conservation status — but a host-plant being present doesn't mean the insect has actually been recorded here. Treat this as "worth watching for," not a confirmed sighting.
| Species | Status | Via host-plant |
|---|---|---|
| Figure of eight Diloba caeruleocephala |
Endangered | Prunus spinosa, Prunus spp. |
| The lappet Gastropacha quercifolia |
Endangered | Prunus spinosa, Prunus spp. |
| Scarce vapourer Orgyia recens |
Endangered | Prunus spinosa |
| Black hairstreak Satyrium pruni |
Endangered | Prunus spinosa |
| The sprawler Asteroscopus sphinx |
Vulnerable | Prunus spinosa, Prunus spp. |
| Mottled umber Erannis defoliaria |
Vulnerable | Prunus spinosa |
| The lackey Malacosoma neustria |
Vulnerable | Prunus spinosa, Prunus spp. |
| Pale brindled Phigalia pilosaria |
Vulnerable | Prunus spinosa |
| Brown hairstreak Thecla betulae |
Vulnerable | Prunus spinosa |
| Early moth Theria primaria |
Vulnerable | Prunus spinosa |
| Pale eggar Trichiura crataegi |
Vulnerable | Prunus spinosa |
| Garden tiger Arctia caja |
Near Threatened | Prunus spinosa |
| Large thorn Ennomos autumnaria |
Near Threatened | Prunus spinosa, Prunus spp. |
| Grey pug Eupithecia subfuscata |
Near Threatened | Prunus spinosa |
| Double dart Graphiphora augur |
Near Threatened | Prunus spinosa |
Host-plant data: Cook et al. (2025), Traits data for the butterflies and macro-moths of Great Britain and Ireland, 2024, UK Centre for Ecology & Hydrology / Butterfly Conservation; and Padovani et al. (2020), Database of Insects and their Food Plants (DBIF), UK Centre for Ecology & Hydrology (both Open Government Licence). Contains data supplied by UK Centre for Ecology & Hydrology.
Plant communities
W21 — Hedgerow scrub, Mixed scrub
Crataegus monogyna-Hedera helix scrub
Matches 1 species from the description above: Prunus spinosa
Show 81 indicator speciesHedera helix, Salix cinerea, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Corylus avellana, Fagus sylvatica, Quercus robur, Fraxinus excelsior, Malus sylvestris, Sorbus aria, Taxus baccata, Ulmus glabra, Ulmus procera, Sambucus nigra, Viburnum lantana, Euonymus europaeus, Cornus sanguinea, Juniperus communis, Ligustrum vulgare, Clematis vitalba, Rhamnus cathartica, Crataegus laevigata, Crataegus monogyna, Prunus spinosa, Juncus effusus, Plagiomnium undulatum, Brachythecium rutabulum, Kindbergia praelonga, Rhynchostegium confertum, Tamus communis, Heracleum sphondylium, Torilis japonica, Arum maculatum, Arctium minus, Cirsium arvense, Lonicera periclymenum, Moehringia trinervia, Silene dioica, Stellaria graminea, Stellaria holostea, Stellaria media agg., Calystegia sepium, Mercurialis perennis, Geranium robertianum, Iris foetidissima, Glechoma hederacea, Lamium purpureum, Origanum vulgare, Stachys sylvatica, Teucrium scorodonia, Allium ursinum, Hyacinthoides non-scripta, Circaea lutetiana, Rumex sanguineus, Anemone nemorosa, Ranunculus repens, Fragaria vesca, Geum urbanum, Potentilla sterilis, Poterium sanguisorba, Rosa arvensis, Rosa canina, Rubia peregrina, Rubus fruticosus agg., Galium aparine, Urtica dioica, Viola riviniana, Anisantha sterilis, Arrhenatherum elatius, Brachypodium pinnatum, Brachypodium sylvaticum, Bromopsis erecta, Dactylis glomerata, Elytrigia repens, Holcus lanatus, Holcus mollis, Poa trivialis, Asplenium scolopendrium, Pteridium aquilinum, Dryopteris filix-mas
W22 — Hedgerow scrub, Mixed scrub
Prunus spinosa-Rubus fruticosus scrub
Matches 1 species from the description above: Prunus spinosa
Show 49 indicator speciesHedera helix, Acer campestre, Corylus avellana, Ulex europaeus, Prunus spinosa, Plagiomnium undulatum, Brachythecium rutabulum, Eurhynchium striatum, Kindbergia praelonga, Thuidium tamariscinum, Atrichum undulatum, Lophocolea bidentata, Achillea millefolium, Cardamine flexuosa, Lonicera periclymenum, Moehringia trinervia, Silene dioica, Silene uniflora, Stellaria media agg., Mercurialis perennis, Geranium robertianum, Stachys sylvatica, Teucrium scorodonia, Hyacinthoides non-scripta, Oxalis acetosella, Digitalis purpurea, Plantago lanceolata, Veronica chamaedrys, Armeria maritima, Rumex acetosa, Filipendula ulmaria, Geum urbanum, Rosa canina, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Urtica dioica, Viola riviniana, Agrostis capillaris, Brachypodium sylvaticum, Dactylis glomerata, Festuca rubra, Holcus lanatus, Holcus mollis, Poa trivialis, Asplenium scolopendrium, Pteridium aquilinum, Dryopteris borreri, Dryopteris filix-mas
W20 — Montane scrub
Salix lapponum-Luzula sylvatica scrub
Show 107 indicator speciesSalix arbuscula, Salix cinerea, Salix lapponum, Salix myrsinites, Salix phylicifolia, Salix reticulata, Empetrum nigrum, Calluna vulgaris, Salix lanata, Vaccinium myrtillus, Vaccinium uliginosum, Carex atrata, Carex bigelowii, Carex binervis, Carex flacca, Luzula multiflora, Luzula sylvatica, Huperzia selago, Selaginella selaginoides, Aulacomnium palustre, Mnium hornum, Philonotis fontana, Plagiomnium undulatum, Rhizomnium punctatum, Dicranum bonjeanii, Dicranum majus, Dicranum scoparium, Fissidens adianthoides, Racomitrium lanuginosum, Calliergonell cuspidatum, Ctenidium molluscum, Hylocomium splendens, Hypnum callichroum, Hypnum cupressiforme, Palustriella commutatum, Plagiothecium denticulatum, Plagiothecium undulatum, Pleurozium schreberi, Ptilium crista-castrensis, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Sanionia uncinata, Scorpidium revolvens, Thuidium tamariscinum, Atrichum undulatum, Polytrichastrum alpinum, Sphagnum capillifolium, Sphagnum fallax, Sphagnum girgensohnii, Sphagnum palustre, Sphagnum russowii, Sphagnum squarrosum, Sphagnum subnitens, Sphagnum teres, Barbilophozia barbata, Chiloscyphus polyanthos, Diplophyllum albicans, Lophocolea bidentata, Plagiochila porelloides, Ptilidium ciliare, Scapania undulata, Cladonia squamosa, Peltigera canina, Angelica sylvestris, Caltha palustris, Hieraclium spp., Saussurea alpina, Solidago virgaurea, Campanula rotundifolia, Succisa pratensis, Valeriana officinalis, Rhodiola rosea, Vaccinium vitis-idaea, Thymus praecox, Epilobium anagallidifolium, Dactylorhiza viridis, Euphrasia officinalis, Rhinanthus minor, Oxalis acetosella, Oxyria digyna, Polygonum viviparum, Rumex acetosa, Anemone nemorosa, Ranunculus acris, Thalictrum alpinum, Alchemilla alpina, Alchemilla glabra, Filipendula ulmaria, Geum rivale, Galium boreale, Galium saxatile, Saxifraga aizoides, Saxifraga hypnoides, Saxifraga oppositifolia, Saxifraga stellaris, Viola riviniana, Agrostis canina, Agrostis capillaris, Anthoxanthum odoratum, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Nardus stricta, Dryopteris dilatata, Phegopteris connectilis