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Euproctis similis (Fuessly, 1775)

Имаго  (Euproctis similis)


class Insecta subclass Pterygota infraclass Neoptera superorder Holometabola order Lepidoptera superfamily Noctuoidea family Erebidae subfamily Lymantriinae tribe Nygmiini genus Euproctis subgenus Sphrageidus → species Euproctis similis

Species name(s)

Euproctis (Sphrageidus) similis (Fuessly, 1775) = Porthesia similis = Phalaena similis Fuessly, 1775 = Porthesia nyctea Grum-Grshimailo, 1891 = Porthesia rebeli Haberhauer, 1902 = Porthesia similis sjöquisti Bryk, 1942 = Porthesia similis variabilina Bryk, 1948 = Arctornis chrysorrhoea = Arctornis rebeli = Euproctis rebeli = Sphrageidus similis.



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; #13. Zapadno-Kavkazsky; #14. Vostochno-Kavkazsky; #16. Sredne-Uralsky; #17. Yuzhno-Uralsky; #20. Yuzhno-Zapadnosibirsky; #21. Severo-Yeniseisky; #22. Krasnoyarsky; #23. Predaltaisky; #24. Gorno-Altaisky; #25. Tuvinsky; #26. Predbaikalsky; #36. Sredne-Amursky; #37. Nizhne-Amursky; #38. Sakhalin; #39. Yuzhno-Kurilsky; #40. Primorsky.

Forewing length

15—18 mm.


26—45 mm.

Primary colors

Orange, Yellow, White.

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  (Euproctis similis)

Detailed information with references

Synonyms and combinations

  • Porthesia similis. [85]. Peter Khramov.

Habitus and Differences from alike species

  • The length of the front wing - from 1.5 to 1.8 cm; females are larger than males, especially the abdomen. The wings are white with a black spot on the front wings, the abdomen at the end of the hair bundle of yellow-orange color: the form is similar to theEuproctis chrysorrhoea, but inferior to her size. [5]. Peter Khramov.
  • Wingspan: 26-45 mm. Personal communication. Vasiliy Feoktistov.


  • Austria, Belgium, Bulgaria, Great Britain, Hungary, Germany, Greece, Denmark, Ireland, Spain, Italy, Corsica, Latvia, Lithuania, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Sardinia, Sicily, Slovakia, the Soviet Union - the European part 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, the Western Caucasus, Kaliningrad, Krasnoyarsk, Nizhny-Amur, Prealtay, of Baikal, Seaside , Sakhalin, the North-Yenisei,Mid-Amur, the Volga-Average, Average Urals, Tuva, South West Siberian Yuzhno-Kuril, South Ural. [3]. Peter Khramov.
  • Albania, Austria, Belarus, Belgium, Bulgaria, Bosnia and Herzegovina, the British Isles, France, Germany, Greece (mainland), Denmark (mainland), Ireland, Spain (mainland), Italy (mainland), Corsica, Latvia , Liechtenstein, Lithuania, Luxembourg, Macedonia, Moldova, Netherlands, Norway (mainland)Channel Islands, Poland, Portugal (mainland), Romania, Russia, Sardinia, Northern Ireland, Sicily, Slovakia, Slovenia, Turkey (European part), Ukraine, Finland, France (mainland), Croatia, Czech Republic, Switzerland, Sweden, Estonia, Yugoslavia. [10]. Peter Khramov.
  • Euproctis similis is found throughout Europe, to southern Finland / Central Sweden in the north. [5]. Peter Khramov.


  • Flight of time: June-August. [5]. Peter Khramov.

Additional info about Imago

  • Zheltoguzki fly at dusk and at night when they are easy to catch the light in the parks, sparse deciduous forests and gardens. Sometimes the damage fruit crops. [5]. Peter Khramov.

Larva lifespan

  • Caterpillars live from September to May. [5]. Peter Khramov.

Larva food plants

  • Salix, Quercus, Prunus, Crataegus, Malus. [28]. Peter Khramov.
  • Poplar, linden, oak, cherry, apple, plum and other fruit trees and deciduous. [5]. Peter Khramov.

Additional info about Larva

  • Immediately after hatching from the eggs and caterpillars crawl zheltoguzok actively feed until the second molt, after which they are currently spletut winter cocoon and will hide in the cracks of trunks and fallen leaves all winter.In late May, they will feed on the upper side of leaves, warning his black-and-red-and-white coloring and tufts of hairs all predators. [5]. Peter Khramov.


  • In laying - up to 200 and even more eggs. The female lays eggs Euproctis similis on the underside of the leaves, yellow hairs covering them from the end of the abdomen. [5]. Peter Khramov.

Overwintering stage

  • Winters caterpillar, cocoon in the winter. [5]. Peter Khramov.

Subspecies Euproctis similis


Initial species uploading to the site: Peter Khramov.

Photos: Marija Jaunkunga, Zoran Bozovic.

Text data: Peter Khramov, Vasiliy Feoktistov.

Main characteristics formalization: Peter Khramov, Sergei Kotov, Vasiliy Feoktistov.

Color characteristics formalization: Peter Khramov.



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19.07.2015 14:52, Vasiliy Feoktistov Corrected data.

Wingspan: No formalized data → 26—45 mm.

30.01.2014 22:09, Sergei Kotov Corrected data.

Over-wintering stage: No formalized data → Larva.

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