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Skippers (Hesperiidae)
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Photo © Dave Wilton
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Large Skipper (Ochlodes sylvanus)
Status: Stable. BC Priority: Low.
Larval foodplant: Variety of grasses.
Flight period: Late May to end of August.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Dave Wilton
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Small Skipper (Thymelicus sylvestris)
Status: Stable. BC Priority: Low.
Larval foodplant: Mostly Yorkshire-fog although other grasses are used.
Flight period: Late June to late August.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Peter Eeles
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Essex Skipper (Thymelicus lineola)
Status: Range expanding. BC Priority: Low.
Larval foodplant: Various grasses, usually Cock's-foot.
Flight period: Mid June to end of August.
Over-winters: Egg.
UTB Species Champion: Not applicable.
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Photo © Dave Maunder
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Silver-spotted Skipper (Hesperia comma)
Status: Range expanding. BC & Regional Priority: High.
Larval foodplant: Sheep's-fescue.
Flight period: mid July to mid September.
Over-winters: Egg.
UTB Species Champion: Richard Soulsby - click here to go to the Species Champion page.
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Photo © Chris Raper
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Dingy Skipper (Erynnis tages)
Status: Decreasing nationally. BC Priority: Low.
Larval foodplant: Common Bird's-foot-trefoil.
Flight period: Late April to late June. Occasional partial second generation in August.
Over-winters: Larva.
UTB Species Champion: Dave Wilton - click here to go to the Species Champion page.
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Photo © Tom Stevenson
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Grizzled Skipper (Pyrgus malvae)
Status: Stable after dramatic decline. BC Priority: Medium.
Larval foodplant: Various plants from the Rosaceae family but mainly Agrimony, Creeping Cinquefoil and Wild Strawberry.
Flight period: Late April to late June.
Over-winters: Pupa.
UTB Species Champion: Tom Dunbar - click here to go to the Species Champion page.
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Whites (Pieridae)
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Photo © Pete Eeles |
Brimstone (Gonepteryx rhamni)
Status: Increasing in abundance. BC Priority: Low.
Larval foodplant: Buckthorn and Alder Buckthorn.
Flight period: Can be seen at most times of the year, but peak emergence is in March/June and second generation in July/August.
Over-winters: Hibernates as Adult.
UTB Species Champion: Not applicable.
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Photo © Jan Haseler
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Clouded Yellow (Colias croceus)
Status: Migrant.
Larval foodplant: A range of leguminous plants - clovers, Lucerne, Common Bird's-foot-trefoil.
Flight period: Immigrants usually arrive inland during May/June.
Over-winters:
UTB Species Champion: Not applicable.
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Photo © Derek Brown
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Large White (Pieris brassicae)
Status: Widespread and common. BC Priority: Low.
Larval foodplant: Cabbage, Oil-seed Rape, Nasturtium and Wild Mignonette.
Flight period: Peak emergence in April and second generation in July.
Over-winters: Pupa.
UTB Species Champion: Not applicable.
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Photo © Derek Brown
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Small White (Pieris rapae)
Status: Widespread and common. BC Priority: Low.
Larval foodplant: Brassicas are used, especially cabbages and Nasturtium.
Flight period: Peak emergence in May and second generation in July.
Over-winters: Pupa.
UTB Species Champion: Not applicable.
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Photo © David Redhead
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Green-veined White (Pieris napi)
Status: Stable. BC Priority: Low.
Larval foodplant: A range of wild crucifers is used, such as Garlic Mustard, Cuckooflower and Hedge Mustard.
Flight period: Peak emergence in May and second generation in July.
Over-winters: Pupa.
UTB Species Champion: Not applicable.
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Photo © Dennis Dell
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Orange-tip (Anthocharis cardamines)
Status: Range expanding. BC Priority: Low.
Larval foodplant: Cuckoo-flower and Garlic Mustard are favoured.
Flight period: Late April to mid June.
Over-winters: Pupa.
UTB Species Champion: Not applicable.
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Photo © Tim Watts
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Wood White (Leptidea sinapis)
Status: Rapidly decreasing. BC Priority: Medium.
Larval foodplant: Meadow Vetchling and other legumes.
Flight period: Mid May to end June, then partial second brood end of July/August.
Over-winters: Pupa.
UTB Species Champion: Becky Woodell - click here to go to the Species Champion page.
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Hairstreaks, Coppers & Blues (Lycaenidae)
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Photo © Dave Wilton
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Adonis Blue (Polyommatus bellargus)
Status: Regional BC Priority: High.
Larval foodplant: Horseshoe Vetch.
Flight period: Late May to late June and second brood from mid August to mid September.
Over-winters: Larva.
UTB Species Champion: Maureen Cross - click here to go to the Species Champion page.
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Photo © David Redhead
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Chalkhill Blue (Polyommatus coridon)
Status: BC Priority: Low. Regionally stable.
Larval foodplant: Horseshoe Vetch.
Flight period: Early July to mid September.
Over-winters:
UTB Species Champion: Nick Bowles - click here to go to the Species Champion page.
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Photo © Allen Beechey
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Holly Blue (Celastrina argiolus)
Status: Stable. BC Priority: Low.
Larval foodplant: Holly and Ivy.
Flight period: Peak emergence is April/May with a second brood in August.
Over-winters: Pupa.
UTB Species Champion: Not applicable.
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Photo © Brendan McCartney
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Common Blue (Polyommatus icarus)
Status: Widespread and stable. BC Priority: Low.
Larval foodplant: Mainly Common Bird's-foot-trefoil but also uses Greater Bird's-foot-trefoil, Black Medick, Common Restharrow, White Clover and Lesser Trefoil.
Flight period: Peak emergence in May/June with second brood in August/September.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Derek Brown
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Brown Argus (Plebeius agestis)
Status: Range expanding. BC Priority: Low.
Larval foodplant: Common Rock-rose and Crane's-bills.
Flight period: May/June with second brood in August/September.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Peter Eeles
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Silver-studded Blue (Plebeius argus)
Status: Decreasing. Regional Priority: High.
Larval foodplant: A wide variety of ericaceous and leguminous plants are used such as Heather, Bell Heather and Common Bird's-foot-trefoil.
Flight period: End June to end July.
Over-winters: Egg.
UTB Species Champion: Grahame Hawker - click here to go to the Species Champion page.
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Photo © Dave Ferguson
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Small Blue (Cupido minimus)
Status: Numbers declining. BC Priority: Medium.
Larval foodplant: Kidney Vetch.
Flight period: Mid May to end June and partial second brood in July/August.
Over-winters: Larva.
UTB Species Champion: Jim Asher - click here to go to the Species Champion page.
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Photo © Paul Gee |
Black Hairstreak (Satyrium pruni)
Status: Rare. Stable. UK BAP Species of Conservation Concern. Regional: Key species.
Larval foodplant: Blackthorn.
Flight period: Single-brooded, on the wing from mid-June for about 3 weeks.
Over-winters: Egg.
UTB Species Champion: Stuart Hodges - click here to go to the Species Champion page.
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Photo © Dave Wilton |
Brown Hairstreak (Thecla betulae)
Status: UK BAP Species of Conservation Concern
Larval foodplant: Blackthorn.
Flight period: Late July to early October.
Over-winters: Egg.
UTB Species Champion: David Redhead - click here to go to the Species Champion page.
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Photo © Peter Eeles
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White-letter Hairstreak (Satyrium w-album)
Status: Increasing. BC Priority: Medium.
Larval foodplant: Elm.
Flight period: Mid June to late August.
Over-winters: Egg.
UTB Species Champion: Mark Calway - click here to go to the Species Champion page.
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Photo © Paul Gee
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Purple Hairstreak (Neozephyrus quercus)
Status: Stable. BC Priority: Low.
Larval foodplant: Oak trees.
Flight period: Mid June to end August.
Over-winters: Egg.
UTB Species Champion: Not applicable.
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Photo © Dave Wilton
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Green Hairstreak (Callophrys rubi)
Status: Uncommon. BC Priority: Low.
Larval foodplant: A variety of plants depending on habitat including Common Rock-rose, Common Bird's-foot-trefoil, Gorse, Broom and Dogwood.
Flight period: Mid April to end of June.
Over-winters: Pupa.
UTB Species Champion: Tony Croft - click here to go to the Species Champion page.
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Photo © Allen Beechey
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Small Copper (Lycaena phlaeas)
Status: Widespread, stable. BC Priority: Low.
Larval foodplant: Common Sorrel and Sheep's Sorrel.
Flight period: Peak emergence is May/June with a second brood in
August/September.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Duke of Burgundy (Lycaenidae)
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Photo © Derek Brown
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Duke of Burgundy (Hamearis lucina)
Status: Declining. UK BAP Species of Conservation Concern.
Larval foodplant: Cowslip, Primrose and occasionally Oxlip.
Flight period: Late April to early June.
Over-winters: Pupa.
UTB Species Champion: Robin Carr - click here to go to the Species Champion page.
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Vanessids & Fritillaries (Nymphalidae)
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Photo © Dave Wilton
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Comma (Polygonia c-album)
Status: Range expanding. BC Priority: Low.
Larval foodplant: Mainly Common Nettle.
Flight period: Hibernators: March onwards. Peak emergence of summer broods in July/August and September.
Over-winters: Adult hibernates.
UTB Species Champion: Not applicable.
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Photo © Richard Soulsby
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Small Tortoiseshell (Aglais urticae)
Status: Abundance is decreasing. BC Priority: Low.
Larval foodplant: Common Nettle.
Flight period: Hibernators: March onwards. Peak emergence of summer brood in July/August.
Over-winters: Adult hibernates.
UTB Species Champion: Not applicable.
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Photo © Dave Wilton
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Peacock (Inachis io)
Status: Stable. BC Priority: Low.
Larval foodplant: Common nettle.
Flight period: Hibernators: March onwards. Peak emergence of summer brood in July/August.
Over-winters: Adult hibernates.
UTB Species Champion: Not applicable.
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Photo © Pete Eeles
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Red Admiral (Vanessa atalanta)
Status: Migrant. Widespread and increasing.
Larval foodplant: Common Nettle.
Flight period: Can be seen throughout the year, numbers peaking during July to September.
Over-winters: Migrant, but small numbers successfully hibernate as adults.
UTB Species Champion: Not applicable.
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Photo © Wendy Campbell
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Painted Lady (Vanessa cardui)
Status: Migrant.
Larval foodplant: Mainly Thistles.
Flight period: Peak of immigration usually occurs in June.
Over-winters: Migrant.
UTB Species Champion: Not applicable.
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Photo © Dave Wilton
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White Admiral (Limenitis camilla)
Status: Regional priority: High.
Larval foodplant: Honeysuckle.
Flight period: Mid June to mid August.
Over-winters: Larva.
UTB Species Champion: Peter Bugg - click here to go to the Species Champion page.
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Photo © Dave Ferguson
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Purple Emperor (Apatura iris)
Status: BC Priority: Medium.
Larval foodplant: Goat Willow.
Flight period: Late June to early August.
Over-winters: Larva.
UTB Species Champion: Dennis Dell - click here to go to the Species Champion page.
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Photo © Dave Wilton
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Dark Green Fritillary (Argynnis aglaja)
Status: BC Priority: Low.
Larval foodplant: Common Dog-violet.
Flight period: Mid June to mid/late August.
Over-winters: Larva.
UTB Species Champion: Ched George - click here to go to the Species Champion page.
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Photo © Dave Wilton
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Silver-washed Fritillary (Argynnis paphia)
Status: Stable/increasing. BC Priority: Low.
Larval foodplant: Common Dog-violet.
Flight period: Late June to end August.
Over-winters: Larva.
UTB Species Champion: Mick Campbell - click here to go to the Species Champion page.
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Photo © Allen Beechey
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Marsh Fritillary (Euphydryas aurinia)
Status: Declining. UK BAP Priority Species.
Larval foodplant: Devil's-bit Scabious.
Flight period: End of May to mid June.
Over-winters: Larva.
UTB Species Champion: George Osmond - click here to go to the Species Champion page.
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Browns (Nymphalidae)
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Photo © Dave Wilton
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Gatekeeper (Pyronia tithonus)
Status:Stable. BC Priority: Low.
Larval foodplant: Various grasses.
Flight period: Late June to end of August.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Pete Eeles
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Grayling (Hipparchia semele)
Status: Stable. Regional Priority: High.
Larval foodplant: Various grasses including Sheep's-fescue, Red Fescue, Bristle Bent and Early Hair-grass.
Flight period: Mid July to end of August.
Over-winters: Larva.
UTB Species Champion: Grahame Hawker - click here to go to the Species Champion page.
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Photo © Dave Wilton
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Meadow Brown (Maniola jurtina)
Status: Widespread, stable. BC Priority: Low.
Larval foodplant: Various grasses.
Flight period: Early/mid June to early September.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Dave Wilton
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Ringlet (Aphantopus hyperantus)
Status: Expanding. BC Priority: Low.
Larval foodplant: Coarser grasses such as Cock's-foot.
Flight period: Mid June to mid/late August.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Allen Beechey
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Marbled White (Melanargia galathea)
Status: Expanding. BC Priority: Low.
Larval foodplant: Various grasses.
Flight period: Mid June to mid August.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Dave Wilton
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Small Heath (Coenonympha pamphilus)
Status: Declining. BC Priority: Low.
Larval foodplant: Various fine grasses.
Flight period: Early/mid May to early September.
Over-winters: Larva.
UTB Species Champion: Not applicable.
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Photo © Pete Eeles
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Speckled Wood (Pararge aegeria)
Status: Widespread, expanding. BC Priority: Low.
Larval foodplant: Various grasses.
Flight period: Early April to October (3 overlapping broods.)
Over-winters: Larva and Pupa.
UTB Species Champion: Not applicable.
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Photo © Tim Watts
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Wall Brown (Lasiommata megera)
Status: Declining Regionally. BC Priority: Low.
Larval foodplant: Various grasses.
Flight period: Mid May to mid June and mid/late July to end August.
Over-winters: Larva.
UTB Species Champion: Jack Peeters - click here to go to the Species Champion page.
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