RM2TACX6B–Male and female Large Blue (Phengaris arion) butterflies mating at a nature reserve in The Cotswolds, Gloucestershire, England
RMTWFGWG–A Large Blue butterfly (Phengaris arion) roosting during the early morning with its wings closed on a flowerhead at Daneway Banks, Gloucestershire
RM2TACX33–A Large Blue (Phengaris arion) butterfly warms up in the early morning in late-June at a nature reserve in Somerset, England
RF2R3YE3A–Phengaris arion (syn. Maculinea arion), known as the Large blue butterfly
RF2W98YAW–A stunning close-up of a scarce large blue (Phengaris teleius) butterfly perched atop a green plant
RMBPW13N–Large Blue Phengaris arion perched on gorse at Collard Hill Nature Reserve, Somerset in June.
RMDB9CTH–Alcon Blue butterfly (Phengaris alcon) foraging on cross-leaved heath
RM2GRE0MK–Large Blue butterfly with wings open
RFJM14ET–Myrmica lonae tending for the Large blue butterfly (Maculinea arion) - an endangered obligately myrmecophilous social parasite of ants.
RMP86DN0–Gentiaanblauwtje / Alcon Blue (Phengaris alcon)
RFJM14CW–Fourth instar larva of the endangered Large Blue butterfly (Maculinea arion).
RMCNX9YJ–Phengaris nausithous (Phengaris nausithous), sucking at burnet, Germany
RFPYWNXC–Alcon blue butterfly (Phengaris alcon) laying eggs on host plant Marsh Gentian (Gentiana pneumonanthe)
RFEYG037–Scarce Large Blue (Phengaris teleius) on Great Burnet (Sanguisorba officinalis), Hesse, Germany
RMFJ68PG–Alcon Blue, Alcon Large Blue (Phengaris alcon), eggs on marsh gentian, Germany, Bavaria
RM2R7Y61X–Pair of Large Blue Butterflies mating at Daneway Banks Gloucestershire UK
RMFJ6AXN–Scarce large blue (Phengaris teleius, Maculinea teleius, Glaucopsyche teleius), sitting on a burnet, Germany
RF2C6TM8J–Phengaris alcon, the Alcon blue or Alcon large blue
RMEBPY4W–dusky large blue (Maculinea nausithous, Phengaris nausithous), sitting on plantago flower spike, Germany, North Rhine-Westphalia
RMTWFGWY–A Large Blue butterfly (Phengaris arion) roosting during the early morning with its wings closed on a flowerhead at Daneway Banks, Gloucestershire
RFW80T99–The dusky large blue feeding on a herbaceous plant Sanguisorba officinalis (great burnet)
RF2R3YEEF–Phengaris arion (syn. Maculinea arion), known as the Large blue butterfly
RFR77HBR–
RMKYYR05–Large Blue butterfly, vintage illustration from 1927
RFDB9D0B–Alcon Blue butterfly (Phengaris alcon) foraging on cross-leaved heath
RF2JF2KBA–A rare Large Blue Butterfly, Phengaris arion, resting on a plant in a meadow.
RMW7P4J5–Large blue butterfly (Phengaris arion) feeding on Wild thyme, Somerset, UK, July
RMP86DMW–Gentiaanblauwtje / Alcon Blue (Phengaris alcon)
RMW7THM8–Large Blue butterfly ( Phengaris arion) feeding, eastern Finland, June.
RMDEBKNK–Dusky Large Blue / Phengaris nausithous / Dunkler Wiesenknopf-Ameisenbläuling
RFPYWP4G–Alcon blue butterfly (Phengaris alcon) resting in grassy vegetation. It can be seen flying in mid to late summer. Like some other species of Lycaenida
RFEYG03B–Scarce Large Blue (Phengaris teleius) on Great Burnet (Sanguisorba officinalis), Hesse, Germany
RME7TE1Y–Shot of the endangered Alcon Blue resting on a leaf
RM2R7Y659–Large Blue Butterfly laying eggs at Daneway Banks Gloucestershire UK
RME7KC10–Postage stamp from Hungary depicting the Large Blue butterfly (Phengaris arion).
RF2HAPD3F–brown little butterfly on host plant, Phengaris nausithous
RMEBPY3B–dusky large blue (Maculinea nausithous, Phengaris nausithous), sitting on plantago flower spike, Germany, North Rhine-Westphalia
RF2E4344J–The dusky large blue (Phengaris nausithous) is a species of butterfly in the family Lycaenidae. , beatiful photo
RMTWFH0C–A Large Blue butterfly (Phengaris arion) roosting during the early morning with its wings closed on a flowerhead at Daneway Banks, Gloucestershire
RFW80T3R–The dusky large blue feeding on a herbaceous plant Sanguisorba officinalis (great burnet)
RF2R3YEDK–Phengaris arion (syn. Maculinea arion), known as the Large blue butterfly
RF2GPECRM–DENMARK - CIRCA 1993: a stamp printed in the Denmark shows Large Blue, Phengaris Arion, Butterfly, circa 1993
RMR9FYKT–Large Blue Butterfly; Phengaris arion Single Female Somerset; UK
RFDB9D0X–Alcon Blue butterfly (Phengaris alcon) foraging on cross-leaved heath
RF2JF2KBH–A rare Large Blue Butterfly, Phengaris arion, resting on a plant in a meadow.
RF2BTBE07–Phengaris Alcon Blue Butterfly on Olkhon Island, Lake Baikal, Russia
RMP86DN1–Gentiaanblauwtje / Alcon Blue (Phengaris alcon)
RF2R88J5B–A rare Large Blue Butterfly, Phengaris arion, resting on a blade of grass in a meadow.
RMP86DMM–Gentiaanblauwtje / Alcon Blue (Phengaris alcon)
RFPYWP4F–Alcon large blue butterfly (Phengaris alcon) resting in grassy vegetation. It can be seen flying in mid to late summer. Like some other species of Lyc
RFEYG03A–Scarce Large Blue (Phengaris teleius) on Great Burnet (Sanguisorba officinalis), Hesse, Germany
RF2JF2KBG–A rare Large Blue Butterfly, Phengaris arion, resting on a plant in a meadow. Its wings are just starting to open up.
RM2R7Y6DM–Pair of Large Blue Butterflies mating at Daneway Banks Gloucestershire UK
RMDEBKN7–Dusky Large Blue / Phengaris nausithous / Dunkler Wiesenknopf-Ameisenbläuling
RMEBPXXJ–dusky large blue (Maculinea nausithous, Phengaris nausithous), sitting on plantago flower spike, Germany, North Rhine-Westphalia
RF2HAPCDC–brown little butterfly on host plant, Phengaris nausithous
RMTWFGW5–A Large Blue butterfly (Phengaris arion) roosting during the early morning with its wings closed on a flowerhead at Daneway Banks, Gloucestershire
RFW80T7A–The dusky large blue is laying eggs on a herbaceous plant Sanguisorba officinalis (great burnet)
RF2R3YDWN–Phengaris arion (syn. Maculinea arion), known as the Large blue butterfly
RMTRDXFE–Mountain Alcon blue (Phengaris rebeli, Maculinea rebeli), eggs at the flowers of Mountain Alcon blue, Germany, Bavaria, Oberbayern, Upper Bavaria
RMR9FYKH–Large Blue Butterfly; Phengaris arion Single Female Somerset; UK
RFDB9D0C–Alcon Blue butterfly (Phengaris alcon) foraging on cross-leaved heath
RF2GMJPRM–Butterfly Phengaris
RFKPHCWG–dark meadow button ant blue (phengaris nausithous)
RF2JKHBTA–A vertical closeup of Phengaris rebeli, common name mountain Alcon blue on Veronica flower.
RFJBYNNX–dusky large blue (phengaris nausithous)
RMP86DMT–Gentiaanblauwtje / Alcon Blue (Phengaris alcon)
RFPYWP0Y–Alcon large blue (Phengaris alcon) butterfly resting in grassy vegetation. It can be seen flying in mid to late summer. Like some other species of Ly
RFEYG038–Scarce Large Blue (Phengaris teleius) on Great Burnet (Sanguisorba officinalis), Hesse, Germany
RFJBYKFW–dusky large blue (phengaris nausithous)
RF2C303X1–Mountain Alcon blue (Phengaris rebeli) on plant, Bavaria, Germany
RM2R7Y5NE–Pair of Large Blue Butterflies mating at Daneway Banks Gloucestershire UK
RF2C3047G–Dusky large blue (Phengaris nausithous) on Grosser Wiesenknopf (Sanguisorba officinalis), Bavaria, Germany
RMW7THMJ–Large Blue butterfly (Phengaris arion) male feeding on nectar, eastern Finland, June.
RMDEBKMY–Dusky Large Blue / Phengaris nausithous / Dunkler Wiesenknopf-Ameisenbläuling
RMTWFGWN–A Large Blue butterfly (Phengaris arion) roosting during the early morning with its wings closed on a flowerhead at Daneway Banks, Gloucestershire
RMDFG3WE–Dusky Large Blue / Phengaris nausithous / Dunkler Wiesenknopf-Ameisenbläuling
RF2R3YEE1–Phengaris arion (syn. Maculinea arion), known as the Large blue butterfly
RMTRDXFF–Mountain Alcon blue (Phengaris rebeli, Maculinea rebeli), eggs at the flowers of Mountain Alcon blue, Germany, Bavaria, Oberbayern, Upper Bavaria
RMCWGC85–Dusky Large Blue / Phengaris nausithous / Dunkler Wiesenknopf-Ameisenbläuling
RFDB9D0P–Alcon Blue butterfly (Phengaris alcon) foraging on cross-leaved heath
RMCWFFN3–Dusky Large Blue / Phengaris nausithous / Dunkler Wiesenknopf-Ameisenbläuling
RF2HAPD4R–brown little butterfly on host plant, Phengaris nausithous
RMW7NDAM–Large blue butterfly (Phengaris arion), a re-introduced species from Scandinavian stock, Green Down Somerset Wildlife Trust Reserve, England, UK, July 2012
RMR9FYKY–Large Blue Butterfly; Phengaris arion Single Female Somerset; UK
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