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Acentria ephemerella (Denis & Schiffermuller, 1775)

Самка  (Acentria ephemerella)

Taxonomy

class Insecta subclass Pterygota infraclass Neoptera superorder Holometabola order Lepidoptera superfamily Pyraloidea family Crambidae subfamily Acentropinae genus Acentria → species Acentria ephemerella

Species name(s)

Acentria ephemerella (Denis & Schiffermuller, 1775) = nivea (Olivier, 1791) = hansoni (Stephens, 1833) = garnonsii (Curtis, 1834) = Acentropus niveus = Acentria nivea.

urn:lsid:insecta.pro:taxonomy:9021

Expansion

Zoogeographical regions

Palaearctic.

Russia regions

#1. Kaliningradsky; #3. Karelsky; #4. Evropeisky Severo-Zapadny; #7. Evropeisky yuzhno-tayozhny; #8. Evropeisky Tsentralny; #9. Evropeisky Tsentralno-Chernozyomny; #10. Sredne-Volzhsky; #11. Volgo-Donsky; #13. Zapadno-Kavkazsky; #17. Yuzhno-Uralsky.

Forewing length

5—6 mm.

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

Larva.

Самец и самка  (Acentria ephemerella)

Detailed information with references

Synonyms and combinations

  • Acentropus niveus [11]. Peter Khramov.

Habitus and Differences from alike species

  • The front wings are pointed, long Oklo 6 mm. Females are slightly larger than males and, mainly in the north of the range, with rudimentary wings. On his feet - swimming setae, females with rudimentary wings live under water, and fertilization of the water expose the abdomen. [5]. Peter Khramov.
  • Females come in two forms: have a fully developed wings and more wings of the male, the other barely outlined. The wings are white, front - with brown veins. The wingspan of 12 to 16 mm. [11]. Peter Khramov.

Distribution

  • Austria, Belgium, Bulgaria, Great Britain, Hungary, Germany, Denmark, Ireland, Latvia, Lithuania, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Sardinia, Slovakia, the Soviet Union - the European part, Finland, France, Czech Republic, Switzerland Sweden, Estonia, Yugoslavia. [1]. Peter Khramov.
  • Regions of the Russian Federation: the Volga-Don, the European North-West, the European Central Black Earth, Central European, European southern taiga, the Western Caucasus, Kaliningrad, Karelia, Mid-Volzhsky, South Ural. [3]. Peter Khramov.
  • Austria, Belarus, Belgium, Bulgaria, the British Isles, France, Germany, Denmark (mainland), Ireland, Spain (mainland), Italy (mainland), Latvia, Lithuania, Luxembourg, Netherlands, Norway (mainland), Poland Portugal (mainland), Romania, Russia, Sardinia, Slovakia, Ukraine, Finland,France (mainland), Czech Republic, Switzerland, Sweden, Estonia. [10]. Peter Khramov.
  • Almost all of Europe. [5]. Peter Khramov.

Lifespan

  • Summer (concrete flight of time is strongly dependent on the region). [5]. Peter Khramov.

Additional info about Imago

  • Venue: the lake, overgrown with water plants. [5]. Peter Khramov.

Larva lifespan

  • From July to the beginning of June next year. [5]. Peter Khramov.

Larva food plants

  • Elodea, Potamogeton, Chara, caterpillars live under water to a depth of 2 meters. [28]. Peter Khramov.
  • Submerged aquatic plants in the first place - waterweed. [5]. Peter Khramov.
  • Pondweed, hornwort, water chestnuts, arrowhead (in food are floating leaves). [11]. Peter Khramov.

Additional info about Larva

  • The caterpillars live and pupate in Case consists underwater. [5]. Peter Khramov.
  • The caterpillar lives outside the sheet, but sometimes gnaws inside the stem. Living on the surface of the sheet, arrange a tire track from a piece of gnawed-off, under which lurks. Pupate in a cocoon attached to the stem or to the bottom surface of the sheet.Cocoon is filled with air penetrating into it from the stem through the hole, Wormholes (like beetles Donaciinae). [11]. Peter Khramov.

Overwintering stage

  • Caterpillar. [5]. Peter Khramov.

Authors

Initial species uploading to the site: Peter Khramov.

Photos: Andrey Ponomarev.

Text data: Peter Khramov.

Main characteristics formalization: Peter Khramov, Sergei Kotov.

References

Comments

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30.01.2014 18:18, Sergei Kotov Corrected data.

Forewing length: No formalized data → 5—6 mm. Flight time: No formalized data → June, July, August. Caterpillar lifespan: No formalized data → January, February, March, April, May, June, July, August, September, October, November, December. Over-wintering stage: No formalized data → Larva.

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