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Phengaris arion (Linnaeus, 1758)

Имаго  (Phengaris arion)


class Insecta subclass Pterygota infraclass Neoptera superorder Holometabola order Lepidoptera superfamily Papilionoidea family Lycaenidae subfamily Polyommatinae tribe Polyommatini genus Phengaris → species Phengaris arion

Species name(s)

Phengaris arion (Linnaeus, 1758) = Maculinea arion (Linnaeus, 1758) = Papilio arion Linnaeus, 1758 = Papilio telegone Bergsträsser, [1779] = Papilio varietas Bergsträsser, [1779] = Lycaena arthurus Melvill, 1873 = obscura (Christ, 1878) = Glaucopsyche arion.

Large Blue


Zoogeographical regions


Russia regions

#1. Kaliningradsky; #4. Evropeisky Severo-Zapadny; #7. Evropeisky yuzhno-tayozhny; #8. Evropeisky Tsentralny; #9. Evropeisky Tsentralno-Chernozyomny; #10. Sredne-Volzhsky; #11. Volgo-Donsky; #12. Nizhnevolzhsky; #13. Zapadno-Kavkazsky; #14. Vostochno-Kavkazsky; #16. Sredne-Uralsky*; #17. Yuzhno-Uralsky; #20. Yuzhno-Zapadnosibirsky; #22. Krasnoyarsky; #23. Predaltaisky; #24. Gorno-Altaisky; #25. Tuvinsky; #26. Predbaikalsky; #27. Pribaikalsky; #28. Zabaikalsky.

* An asterisk denotes a region for which the species is listed as an migrant or information that requires additional checking.

Forewing length

14—20 mm.

Primary colors

Blue, Brown/Gray/Black.

Flight time

January February March April May June July August September October November December

Larva lifespan

January February March April May June July August September October November December

Over-wintering stage


Имаго  (Phengaris arion)

Detailed information with references

Synonyms and combinations

  • Maculinea arion. [3]. Peter Khramov.

Habitus and Differences from alike species

  • The length of the forewing can vary from 1.4 to 2 cm. Wings: on a bright blue background scattered black spots on the edge of a brown border. [5]. Peter Khramov.


  • Albania, Austria, Belgium, Bulgaria, Great Britain, Hungary, Germany, Denmark, Greece, Spain, Italy, Corsica, Latvia, Lithuania, Luxembourg, the Netherlands, Poland, Portugal, Romania, Slovakia and the Soviet Union - the European part of Turkey - European part, Finland, France, Czech Republic, Switzerland, Sweden, Estonia, Yugoslavia. [1]. Peter Khramov.
  • Regions of the Russian Federation: the Volga-Don, East Caucasus, Gorno-Altaisk, the European North-West, the European Central Black Earth, the European Central European South taiga, Transbaikalia, Western Caucasus, Kaliningrad, Krasnoyarsk, Lower Volga, Prealtay, of Baikal, Pribaikalskiy , Mid-Volzhsky,Average Urals (?), Tuva, South West Siberian, South Ural. [3]. Peter Khramov.
  • Albania, Andorra, Belarus, Belgium, Bulgaria, Bosnia and Herzegovina, the British Isles, France, Germany, Greece (mainland), Denmark (mainland), Spain (mainland), Italy (mainland), Corsica, Latvia , Liechtenstein, Lithuania, Luxembourg, Macedonia, the Netherlands, Poland, Romania, Russia, Slovakia, Slovenia,Turkey (European part), Ukraine, Finland, France (mainland), Croatia, Czech Republic, Switzerland, Sweden, Estonia, Yugoslavia. [10]. Peter Khramov.
  • Area - From Europe to Asia to the east. [5]. Peter Khramov.


  • Large blue flies in one generation - from June to July. [5]. Peter Khramov.

Additional info about Imago

  • Habitats: Dry terrain with low vegetation. [5]. Peter Khramov.

Larva lifespan

  • Larvae found from August to May (winters). [5]. Peter Khramov.

Larva food plants

  • Thymus, indifferent to the caterpillars and ants Myrmica sabuleti Myrmica scabrinodis. [28]. Peter Khramov.
  • First caterpillars live on the thyme (Thymus serpyllum), then move to the nests, where they feed on eggs and pupae of ants. [5]. Peter Khramov.

Additional info about Larva

  • Guests of the time in an anthill, emit a special secret that ants can be used for food. [5]. Peter Khramov.

Overwintering stage

  • Caterpillar. [5]. Peter Khramov.

Subspecies Phengaris arion


Initial species uploading to the site: Peter Khramov.

Photos: Andrej Makara, Maxim Klepikov.

Text data: Peter Khramov.

Main characteristics formalization: Peter Khramov, Sergei Kotov.

Color characteristics formalization: Peter Khramov.



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26.01.2014 19:36, Sergei Kotov Corrected data.

Over-wintering stage: No formalized data → Larva.

23.10.2013 12:38, Peter Khramov


23.10.2013 11:57, Vasiliy Feoktistov

The case of Peter.

23.10.2013 11:56, Sergei Kotov

The picture of Basil Feoktistov illustrating this kind and located on top of the page, in fact, shows a completely different look - Phengaris arionides. Correct would be necessary ...

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Project editor in chief and administrator: Peter Khramov.

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