Potterhanworth Wood
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Condition (Natural England)
| Unit | Feature | Condition | Area (ha) | Assessed |
|---|---|---|---|---|
| TF071668 | — | Favourable | 33.08 | 2009-06-08 |
Habitats
Birds & fish recorded
Birds
| Species | Season |
|---|---|
| woodcock | Breeding |
Description
Area,32.0 hectares Description Adjacent to the now drained fenland of the Witham Valley, Potter Hanworth Wood is characterise dby the dominance of small leaved lime Tilia cordata. Historically, the site is known to have been continuously wooded and its long management as coppice with standards, combined with the variation in soil texture and drainage, has resulted in outstanding plant and animal communities. There are pure stands of lime in the north; elsewhere it is mixed with ash Fraxinus excelsior, pedunculate oak Quercus robur, birches Betula pendula and Betula pubescens, rowan Sorbus aucuparia and aspen Populus tremula. Wild service trees Sorbus torminalis are found in the body of the wood. The lime rich soils of the massive bank along the eastern edge support field maple Acer campestre, wild cherry Prunus avium, dogwood Cornus sanguinea and privet Ligustrum vulgare. hazel Corylus avellana forms the shrub layer in the wood's interior. Bluebell Hyacinthoides non-scripta and wood anemone Anemone nemorosa dominate the woodland floor in the north. Dog's mercury Mercurialis perennis is abundant in the east, whilst yellow archangel Lamiastrum galeobdolon is prolific throughout. Typical of the acidic areas are hairy wood rush Luzula pilosa, slender St. John's wort Hypericum pulchrum, heath speedwell Veronica officinalis and wood sorrel Oxalis acetosella. Pockets of rich soil support moschatel Adoxa moschatellina and yellow pimpernel Lysimachia nemorum. Rarer plants of the ground flora are herb paris Paris quadrifolia, nettle leaved bellflower Campanula trachelium and small teasel Dipsacus pilosus. Amongst the numerous moths recorded is the rare poplar lutestring Tethea or. The wood supports a breeding bird community characteristic of ancient woodlands including woodcock, tree creeper and greater spotted woodpecker. It also contains a small heronry (heron).
Species mentioned
Show the 27 species mentioned in the description, with red-list statusInsects 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.
Grouped by host-plant — open a plant to see its insects. Some insects feed on more than one of these plants, so they appear under each.
Common oak Quercus 19
Birch, downy birch Betula 15
| Scarce vapourer Orgyia recens |
Endangered | any Betula |
| The sprawler Asteroscopus sphinx |
Vulnerable | any Betula |
| Broom moth Ceramica pisi |
Vulnerable | any Betula |
| Mottled umber Erannis defoliaria |
Vulnerable | any Betula |
| The lackey Malacosoma neustria |
Vulnerable | Betula pendula |
| Pale brindled Phigalia pilosaria |
Vulnerable | Betula pendula, Betula pubescens |
| Pale eggar Trichiura crataegi |
Vulnerable | any Betula |
| Oak hook-tip Watsonalla binaria |
Vulnerable | Betula pendula |
| Flounced chestnut Agrochola helvola |
Near Threatened | any Betula |
| Kentish glory Endromis versicolora |
Near Threatened | Betula pendula, Betula pubescens |
| Large thorn Ennomos autumnaria |
Near Threatened | any Betula |
| September thorn Ennomos erosaria |
Near Threatened | any Betula |
| Autumnal rustic Eugnorisma glareosa |
Near Threatened | any Betula |
| Double dart Graphiphora augur |
Near Threatened | any Betula |
| White prominent Leucodonta bicoloria |
Regionally Extinct | any Betula |
Aspen Populus 12
| Dark bordered beauty Epione vespertaria |
Endangered | Populus tremula |
| The sprawler Asteroscopus sphinx |
Vulnerable | any Populus |
| Scarce chocolate-tip Clostera anachoreta |
Vulnerable | any Populus, Populus tremula |
| Mottled umber Erannis defoliaria |
Vulnerable | Populus tremula |
| Pale brindled Phigalia pilosaria |
Vulnerable | any Populus |
| Pale eggar Trichiura crataegi |
Vulnerable | any Populus |
| No common name Zeugophora turneri |
Vulnerable | Populus tremula |
| Purple emperor Apatura iris |
Near Threatened | Populus tremula |
| Minor shoulder-knot Brachylomia viminalis |
Near Threatened | Populus tremula |
| The sallow Cirrhia icteritia |
Near Threatened | any Populus |
| Large thorn Ennomos autumnaria |
Near Threatened | any Populus |
| Grey pug Eupithecia subfuscata |
Near Threatened | Populus tremula |
Hazel Corylus avellana 7
| Scarce vapourer Orgyia recens |
Endangered | Corylus avellana |
| The sprawler Asteroscopus sphinx |
Vulnerable | Corylus avellana |
| Mottled umber Erannis defoliaria |
Vulnerable | Corylus avellana |
| The lackey Malacosoma neustria |
Vulnerable | Corylus avellana |
| Pale brindled Phigalia pilosaria |
Vulnerable | Corylus avellana |
| Pale eggar Trichiura crataegi |
Vulnerable | Corylus avellana |
| Large thorn Ennomos autumnaria |
Near Threatened | Corylus avellana |
Wild cherry Prunus 5
| Figure of eight Diloba caeruleocephala |
Endangered | any Prunus |
| The lappet Gastropacha quercifolia |
Endangered | any Prunus |
| The sprawler Asteroscopus sphinx |
Vulnerable | any Prunus |
| The lackey Malacosoma neustria |
Vulnerable | any Prunus |
| Large thorn Ennomos autumnaria |
Near Threatened | any Prunus |
Lime small leaved Tilia 4
| The sprawler Asteroscopus sphinx |
Vulnerable | any Tilia |
| Pale brindled Phigalia pilosaria |
Vulnerable | any Tilia |
| September thorn Ennomos erosaria |
Near Threatened | any Tilia |
| Scarce hook-tip Sabra harpagula |
Near Threatened | Tilia cordata |
Ash Fraxinus excelsior 3
| The sprawler Asteroscopus sphinx |
Vulnerable | Fraxinus excelsior |
| Pale brindled Phigalia pilosaria |
Vulnerable | Fraxinus excelsior |
| Dusky thorn Ennomos fuscantaria |
Near Threatened | Fraxinus excelsior |
Field maple Acer campestre 2
| Maple pug Eupithecia inturbata |
Endangered | Acer campestre |
| Mottled umber Erannis defoliaria |
Vulnerable | Acer campestre |
Rowan Sorbus aucuparia 2
| Mottled umber Erannis defoliaria |
Vulnerable | Sorbus aucuparia |
| Garden tiger Arctia caja |
Near Threatened | Sorbus aucuparia |
Dogwood Cornus sanguinea 1
| Pale brindled Phigalia pilosaria |
Vulnerable | Cornus sanguinea |
Small teasel Dipsacus 1
| Mouse moth Amphipyra tragopoginis |
Vulnerable | any Dipsacus |
Bluebell Hyacinthoides non-scripta 1
| Autumnal rustic Eugnorisma glareosa |
Near Threatened | Hyacinthoides non-scripta |
Slender St John's-wort Hypericum 1
| Satyr pug Eupithecia satyrata |
Vulnerable | any Hypericum |
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.