Ashridge Estate (NT), Hertfordshire [England: South]

Survey Period: 1986 - 2020

Data Source(s): National Trust, site data and commissioned surveys

OS Grid Reference

SP91R

Scoring spp.

234

SQS Value

1300

SQI Value

555.6

IEC Value

110

SQI Type

Broadleaf

Site Inventory

234 Saproxylic Species Family Conservation Status Conifer sp. SQI Score IEC Score
Epuraea biguttataNitidulidaeLocal20
Abraeus perpusillusHisteridaeLeast Concern (LC): Very Local40
Plegaderus dissectusHisteridaeLeast Concern (LC): Notable/Nb42
Aeletes atomariusHisteridaeNationally Scarce (NS)83
Paromalus flavicornisHisteridaeLeast Concern (LC): Local20
Ptenidium gressneriPtiliidaeNotable/Nb82
Ptenidium turgidumPtiliidaeRDB K242
Pteryx suturalisPtiliidaeLocal20
Anisotoma humeralisLeiodidaeLocal20
Anisotoma orbicularisLeiodidaeLocal20
Agathidium nigripenneLeiodidaeLocal20
Agathidium variansLeiodidaeLocal20
Agathidium seminulumLeiodidaeLocal20
Nemadus colonoidesLeiodidaeLocal20
Phyllodrepoidea crenataStaphylinidaeNationally Scarce (NS)80
Dropephylla iopteraStaphylinidaeLeast Concern (LC): Common10
Dropephylla vilis / koltzeiStaphylinidaeData Deficient (DD)20
Phloeonomus punctipennisStaphylinidaeLeast Concern (LC): Local20
Phloeostiba planaStaphylinidaeLeast Concern (LC): Local20
Euplectus infirmusStaphylinidaeLocal20
Euplectus karsteniiStaphylinidaeLocal20
Euplectus kirbiiStaphylinidaeNotable/Nb81
Euplectus piceusStaphylinidaeLocal20
Bibloporus bicolorStaphylinidaeLocal20
Bibloporus minutusStaphylinidaeNotable/Nb82
Sepedophilus bipunctatusStaphylinidaeNationally Scarce (NS)80
Sepedophilus littoreusStaphylinidaeLeast Concern (LC): Local20
Sepedophilus lusitanicusStaphylinidaeNationally Scarce (NS)80
Dinaraea aequataStaphylinidaeCommon10
Bolitochara lucidaStaphylinidaeLocal20
Thamiaraea cinnamomeaStaphylinidaeLocal20
Leptusa fumidaStaphylinidaeCommon10
Leptusa ruficollisStaphylinidaeCommon10
Agaricochara latissimaStaphylinidaeLocal20
Gyrophaena bihamataStaphylinidaeUnknown20
Gyrophaena minimaStaphylinidaeUnknown20
Gyrophaena munsteriStaphylinidaepRDBK240
Anomognathus cuspidatusStaphylinidaeLocal20
Haploglossa gentilisStaphylinidaeLocal20
Phloeopora testaceaStaphylinidaeCommon10
Placusa pumilioStaphylinidaeLocal20
Placusa tachyporoidesStaphylinidaeNotable/Nb80
Scaphidium quadrimaculatumStaphylinidaeLeast Concern (LC): Local20
Scaphisoma agaricinumStaphylinidaeLeast Concern (LC): Local20
Scaphisoma boletiStaphylinidaeLeast Concern (LC): Notable/Nb40
Microscydmus minimusStaphylinidaepRDB3243
Neuraphes plicicollisStaphylinidaeNotable/Nb80
Stenichnus bicolorStaphylinidaeVery Local41
Scydmaenus rufusStaphylinidaepRDB2240
Atrecus affinisStaphylinidaeLeast Concern (LC): Common10
Gabrius splendidulusStaphylinidaeLeast Concern (LC): Common10
Bisnius subuliformisStaphylinidaeLeast Concern (LC): Local20
Quedius brevicornisStaphylinidaeNationally Scarce (NS)80
Quedius maurusStaphylinidaeLeast Concern (LC): Very Local41
Quedius micropsStaphylinidaeNationally Scarce (NS)81
Quedius scitusStaphylinidaeLeast Concern (LC): Notable/Nb42
Quedius truncicolaStaphylinidaeNationally Scarce (NS)81
Quedius xanthopusStaphylinidaeNationally Scarce (NS)81
Hypnogyra angularisStaphylinidaeNationally Scarce (NS)82
Sinodendron cylindricumLucanidaeLeast Concern (LC): Common10
Dorcus parallelipipedusLucanidaeLeast Concern (LC): Local20
Prionocyphon serricornisScirtidaeNotable/Nb81
Agrilus biguttatusBuprestidaeLeast Concern (LC): Na40
Agrilus laticornisBuprestidaeLeast Concern (LC): Notable/Nb40
Agrilus sinuatusBuprestidaeLeast Concern (LC): Very Local40
Melasis buprestoidesEucnemidaeVery Local41
Hylis olexaiEucnemidaeRDB3240
Epiphanis cornutusEucnemidaeNotable B80
Eucnemis capucinaEucnemidaeRDB1241
Aulonothroscus brevicollisThroscidaeRDB3241
Denticollis linearisElateridaeCommon10
Stenagostus rhombeusElateridaeVery Local41
Ampedus quercicolaElateridaeNotable/Nb83
Melanotus villosus / castanipesElateridaeCommon10
Platycis minutusLycidaeLeast Concern (LC): Notable/Nb41
Malthinus balteatusCantharidaeLeast Concern (LC): Notable/Nb40
Malthinus flaveolusCantharidaeLeast Concern (LC): Common10
Malthinus frontalisCantharidaeNationally Scarce (NS)82
Malthinus seriepunctatusCantharidaeLeast Concern (LC): Local20
Malthodes fibulatusCantharidaeNationally Scarce (NS)80
Malthodes marginatusCantharidaeLeast Concern (LC): Common10
Malthodes minimusCantharidaeLeast Concern (LC): Common10
Megatoma undataDermestidaeNationally Scarce (NS)80
Ctesias serraDermestidaeLeast Concern (LC): Very Local40
Lyctus linearisBostrichidaeCritically Endangered (CR)320
Hedobia imperialisAnobiidaeLeast Concern (LC): Notable/Nb40
Grynobius planusAnobiidaeLeast Concern (LC): Local20
Xestobium rufovillosumAnobiidaeLeast Concern (LC): Very Local41
Anobium fulvicorneAnobiidaeLeast Concern (LC): Common10
Anobium nitidumAnobiidaeNationally Rare (NR)240
Anobium punctatumAnobiidaeLeast Concern (LC): Common10
Ptilinus pectinicornisAnobiidaeLeast Concern (LC): Common10
Dorcatoma chrysomelinaAnobiidaeLeast Concern (LC): Very Local41
Dorcatoma dresdensisAnobiidaeNationally Scarce (NS)82
Dorcatoma flavicornisAnobiidaeNationally Scarce (NS)81
Elateroides dermestoidesLeast Concern (LC): Very Local40
Lymexylon navaleLymexylidaeNationally Scarce (NS)81
Phloiophilus edwardsiiPhloiophilidaeNationally Scarce (NS)81
Tillus elongatusCleridaeNationally Scarce (NS)81
Opilo mollisCleridaeNationally Scarce (NS)81
Thanasimus formicariusCleridaeLeast Concern (LC): Very Local41
Dasytes aeratusDasytidaeLeast Concern (LC): Local20
Malachius bipustulatusMalachiidaeLeast Concern (LC): Common10
Sphindus dubiusSphindidaeNotable/Nb80
Aspidiphorus orbiculatusSphindidaeLocal20
Epuraea pallescensNitidulidaeUnknown20
Cryptarcha strigataNitidulidaeNotable/Nb80
Cryptarcha undataNitidulidaeNotable/Nb80
Glischrochilus quadriguttatusNitidulidaeLocal20
Rhizophagus bipustulatusMonotomidaeLeast Concern (LC): Common10
Rhizophagus disparMonotomidaeLeast Concern (LC): Common10
Rhizophagus fenestralisMonotomidaeNationally Scarce (NS)80
Rhizophagus ferrugineusMonotomidaeLeast Concern (LC): Local20
Rhizophagus nitidulusMonotomidaeLeast Concern (LC): Very Local41
Rhizophagus oblongicollisMonotomidaeNationally Rare (NR)243
Rhizophagus perforatusMonotomidaeNationally Scarce (NS)80
Uleiota planataSilvanidaeNa80
Silvanus bidentatusSilvanidaeNotable/Nb80
Silvanus unidentatusSilvanidaeVery Local41
Pediacus depressusSilvanidaeNa80
Pediacus dermestoidesSilvanidaeVery Local41
Cryptolestes ferrugineusLaemophloeidaeLocal20
Cryptophagus dentatusCryptophagidaeUnknown20
Cryptophagus falcoziCryptophagidaeRDB I243
Cryptophagus labilisCryptophagidaeNotable/Nb82
Cryptophagus micaceusCryptophagidaepRDBK242
Cryptophagus ruficornisCryptophagidaeNotable/Nb80
Atomaria vespertinaCryptophagidaeLocal20
Atomaria morioCryptophagidaepRDBK240
Dacne bipustulataErotylidaeLocal20
Dacne rufifronsErotylidaeLocal20
Triplax aeneaErotylidaeLocal20
Biphyllus lunatusBiphyllidaeVery Local41
Diplocoelus fagiBiphyllidaeNotable/Nb81
Oxylaemus variolosusBothrideridaeRDB3242
Cerylon fagiCerylonidaeNotable/Nb81
Cerylon ferrugineumCerylonidaeLocal20
Cerylon histeroidesCerylonidaeVery Local40
Endomychus coccineusEndomychidaeLocal20
Symbiotes latusEndomychidaeNotable/Nb81
Orthoperus aequalisCorylophidaepRDBK240
Cartodere constrictaLatridiidaeVery Local40
Enicmus brevicornisLatridiidaeNotable/Nb81
Enicmus fungicolaLatridiidaeNotable/Nb81
Enicmus rugosusLatridiidaeNotable/Nb82
Enicmus testaceusLatridiidaeLocal20
Corticaria alleniLatridiidaeNotable/Nb83
Pseudotriphyllus suturalisMycetophagidaeNationally Scarce (NS)81
Triphyllus bicolorMycetophagidaeNationally Scarce (NS)82
Litargus connexusMycetophagidaeLeast Concern (LC): Local20
Mycetophagus atomariusMycetophagidaeLeast Concern (LC): Local20
Mycetophagus multipunctatusMycetophagidaeLeast Concern (LC): Local20
Mycetophagus piceusMycetophagidaeLeast Concern (LC): Very Local42
Mycetophagus quadripustulatusMycetophagidaeLeast Concern (LC): Local20
Octotemnus glabriculusCiidaeCommon10
Orthocis alniCiidaeLocal20
Cis bidentatusCiidaeLocal20
Cis boletiCiidaeCommon10
Cis fagiCiidaeLocal20
Cis festivusCiidaeLocal20
Cis hispidusCiidaeVery Local40
Cis submicansCiidaeVery Local40
Cis castaneusCiidaeLocal20
Cis pygmaeusCiidaeLocal20
Cis vestitusCiidaeLocal20
Cis villosulusCiidaeLocal20
Ennearthron cornutumCiidaeLocal20
Tetratoma desmarestiiTetratomidaeNationally Scarce (NS)81
Tetratoma fungorumTetratomidaeLeast Concern (LC): Local20
Orchesia micansMelandryidaeNationally Scarce (NS)80
Orchesia minorMelandryidaeNationally Scarce (NS)80
Orchesia undulataMelandryidaeLeast Concern (LC): Very Local41
Abdera quadrifasciataMelandryidaeNationally Scarce (NS)82
Melandrya caraboidesMelandryidaeLeast Concern (LC): Very Local41
Conopalpus testaceusMelandryidaeLeast Concern (LC): Notable/Nb41
Tomoxia bucephalaMordellidaeNationally Scarce (NS)81
Mordellistena neuwaldeggianaMordellidaeNationally Scarce (NS)81
Mordellochroa abdominalisMordellidaeLeast Concern (LC): Very Local40
Variimorda villosaMordellidaeNationally Scarce (NS)80
Synchita humeralisColydiidaeNationally Scarce (NS)81
Cicones variegatusColydiidaeNationally Scarce (NS)82
Bitoma crenataColydiidaeLeast Concern (LC): Very Local40
Eledona agricolaTenebrionidaeLeast Concern (LC): Very Local41
Diaperis boletiTenebrionidaeNationally Scarce (NS)80
Prionychus aterTenebrionidaeLeast Concern (LC): Notable/Nb41
Gonodera luperusTenebrionidaeNationally Scarce (NS)80
Ischnomera cinerascensOedemeridaeNationally Rare (NR)241
Ischnomera cyaneaOedemeridaeLeast Concern (LC): Very Local41
Ischnomera sanguinicollisOedemeridaeNationally Scarce (NS)83
Pyrochroa coccineaPyrochroidaeLeast Concern (LC): Very Local40
Pyrochroa serraticornisPyrochroidaeLeast Concern (LC): Common10
Lissodema denticolleSalpingidaeNationally Scarce (NS)80
Vincenzellus ruficollisSalpingidaeLeast Concern (LC): Local20
Salpingus planirostrisSalpingidaeLeast Concern (LC): Common10
Salpingus ruficollisSalpingidaeLeast Concern (LC): Common10
Euglenes oculatusAderidaeNationally Scarce (NS)82
Anaspis fasciataScraptiidaeLeast Concern (LC): Common10
Anaspis frontalisScraptiidaeLeast Concern (LC): Common10
Anaspis luridaScraptiidaeLeast Concern (LC): Local20
Anaspis thoracicaScraptiidaeNationally Scarce (NS)83
Anaspis costaiScraptiidaeNationally Scarce (NS)80
Anaspis rufilabrisScraptiidaeLeast Concern (LC): Common10
Rhagium bifasciatumCerambycidaeLeast Concern (LC): Common10
Rhagium mordaxCerambycidaeLeast Concern (LC): Common10
Stenocorus meridianusCerambycidaeLeast Concern (LC): Local20
Grammoptera ruficornisCerambycidaeLeast Concern (LC): Common10
Stictoleptura scutellataCerambycidaeNationally Scarce (NS)81
Alosterna tabacicolorCerambycidaeLeast Concern (LC): Local20
Rutpela maculataCerambycidaeLeast Concern (LC): Common10
Stenurella melanuraCerambycidaeLeast Concern (LC): Local20
Phymatodes testaceusCerambycidaeLeast Concern (LC): Very Local40
Poecilium alniCerambycidaeNationally Scarce (NS)81
Clytus arietisCerambycidaeLeast Concern (LC): Common10
Anaglyptus mysticusCerambycidaeLeast Concern (LC): Very Local40
Pogonocherus hispidusCerambycidaeLeast Concern (LC): Local20
Leiopus nebulosus / linneiCerambycidaeLeast Concern (LC): Local20
Platyrhinus resinosusAnthribidaeVery Local41
Platystomos albinusAnthribidaeNotable/Nb81
Stereocorynes truncorumCurculionidaeNa83
Phloeophagus lignariusCurculionidaeLocal20
Acalles misellusCurculionidaeLocal20
Kyklioacalles roborisCurculionidaeNotable/Nb80
Magdalis ruficornisCurculionidaeLocal20
Magdalis carbonariaCurculionidaeVery Local40
Scolytus intricatusCurculionidaeLocal20
Scolytus rugulosusCurculionidaeLocal20
Ernoporicus fagiCurculionidaeNa81
Dryocoetes villosusCurculionidaeLocal20
Taphrorychus bicolorCurculionidaeNa80
Xyleborinus saxeseniiCurculionidaeVery Local41
Xyleborus dryographusCurculionidaeNotable/Nb81
Trypodendron domesticumCurculionidaeLocal21
Hylesinus crenatusCurculionidaeLocal20
Platypus cylindrusPlatypodidaeNotable/Nb80