State of British Butterflies 2011
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ABCDEFGH
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SpeciesScientific name1995-99 occupied squares2005-09 occupied squares10-year distribution trendNo. UK BMS sites 1995-0910-year population changeStatistical significance
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(+ p<0.1, * p<0.05, ** p<0.01, *** p<0.001)
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Chequered SkipperCarterocephalus palaemon2826-7%-
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Small SkipperThymelicus sylvestris14591422-3%993-62***
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Essex SkipperThymelicus lineola6396878%492-67***
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Lulworth SkipperThymelicus acteon12120%14-52*
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Silver-spotted SkipperHesperia comma314235%64-19
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Large SkipperOchlodes sylvanus15651442-8%1074-35***
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Dingy SkipperErynnis tages578547-5%450-19*
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Grizzled SkipperPyrgus malvae385320-17%357-29+
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Swallowtail (resident)Papilio machaon britannicus550%--
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Swallowtail (migrants)Papilio machaon gorganus384416%- -
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Wood WhiteLeptidea sinapis8263-23%65-49*
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Cryptic Wood WhiteLeptidea juvernica485310%-
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Clouded YellowColias croceus11511143-1%696235
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BrimstoneGonepteryx rhamni12401232-1%9960
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Large WhitePieris brassicae22992126-8%122334
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Small WhitePieris rapae21572060-4%1213-26
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Green-veined WhitePieris napi26812594-3%1203-9
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Orange-tipAnthocharis cardamines219521920%1111-8
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Green HairstreakCallophrys rubi94810026%512-27*
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Brown HairstreakThecla betulae1341361%61-40+
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Purple HairstreakFavonius quercus1006847-16%451-9
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White-letter HairstreakSatyrium w-album57175632%205-55**
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Black HairstreakSatyrium pruni242921%11-
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Small CopperLycaena phlaeas20501927-6%1123-24
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Small BlueCupido minimus247238-4%20931
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Silver-studded BluePlebejus argus9491-3%75-29
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Brown ArgusAricia agestis72079510%593-38*
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Northern Brown ArgusAricia artaxerxes1201325%54-44***
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Common BluePolyommatus icarus22732147-6%1186-30
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Chalkhill BluePolyommatus coridon 211208-1%263-26
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Adonis BluePolyommatus bellargus 9612530%12233
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Holly BlueCelastrina argiolus14601409-3%956-29
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Large BluePhengaris arion36100%21271**
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Duke of BurgundyHamearis lucina10876-30%123-46**
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White AdmiralLimenitis camilla37442814%267-9
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Purple EmperorApatura iris9113144%6131
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Red AdmiralVanessa atalanta24512402-2%1228-21
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Painted LadyVanessa cardui2209241910%118552
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Small TortoiseshellAglais urticae25542470-3%1214-64**
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PeacockAglais io2134249217%1234-24*
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CommaPolygonia c-album148715998%110334+
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Small Pearl-bordered FritillaryBoloria selene763671-12%230-19
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Pearl-bordered FritillaryBoloria euphrosyne260149-43%187-42*
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High Brown FritillaryArgynnis adippe5528-49%110-69***
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Dark Green FritillaryArgynnis aglaja938931-1%45218
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Silver-washed FritillaryArgynnis paphia52558612%44338
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Marsh FritillaryEuphydryas aurinia246225-9%19971+
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Glanville FritillaryMelitaea cinxia91122%9-
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Heath FritillaryMelitaea athalia13148%47-34
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Speckled WoodPararge aegeria1614193220%113342**
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WallLasiommata megera13811093-21%596-37*
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Mountain RingletErebia epiphron384724%6-
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Scotch ArgusErebia aethiops3203293%36-33**
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Marbled WhiteMelanargia galathea6576682%728-21*
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GraylingHipparchia semele598489-18%238-33*
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GatekeeperPyronia tithonus14001372-2%1074-23*
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Meadow BrownManiola jurtina24962441-2%1276-8
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RingletAphantopus hyperantus182419708%107725*
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Small HeathCoenonympha pamphilus21331934-9%955-28
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Large HeathCoenonympha tullia359295-18%26189***
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