Elachista utonella

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Elachista utonella
Elachista utonella.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Elachistidae
Genus: Elachista
Species:
E. utonella
Binomial name
Elachista utonella
Frey, 1856
Synonyms
  • Biselachista utonella
  • Elachista paludumFrey, 1859
  • Elachista caricisStainton, 1859
  • Elachista palustrellaMorris, 1870
  • Elachista carinisellaMorris, 1870

Elachista utonella is a moth of the family Elachistidae found in Asia and Europe.

Contents

Description

The wingspan is 8–9 millimetres (0.31–0.35 in). [1] The head is grey in the male, whitish in the female.Forewings are rather dark fuscous or ochreous-grey, pale-sprinkled,lighter in female ; plical stigma elongate, black, preceded and followed by whitish marks ; a small tornal spot, and larger triangular anteriorly dark-edged opposite costal spot white.Hindwings are dark grey.The larva is grey ; head brown ; 2 pale yellowish,with two brown spots. [2] Dissection is necessary to separate the moth from the similar Elachista albidella and Elachista eleochariella . [3]

There is one generation per year in Great Britain, but there are possibly two generations in continental Europe. The larvae feed on lesser pond-sedge ( Carex acutiformis ), Carex brizoides , distant sedge ( Carex distans ), brown sedge ( Carex disticha ), star sedge ( Carex echinata ), Carex elata , glaucous sedge ( Carex flacca ), hairy sedge ( Carex hirta ), Carex muricata , greater tussock-sedge ( Carex paniculata ), Carex remota , greater pond sedge ( Carex riparia ), spiked sedge ( Carex spicata ), bladder sedge ( Carex vesicaria ), fescue ( Festuca species), saltmarsh rush ( Juncus gerardii ) and Scirus sylvaticus . They mine the leaves of their host plant. [4]

Distribution

Elachista utonella is found from Fennoscandia to the Pyrenees and Italy and from Ireland to Romania. [5] It is also found in the Russian Far East and Japan.

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References

  1. ↑ "Elachista utonella (Frey, 1856)". Microlepidoptera.nl (in Dutch). Archived from the original on 2011-05-01. Retrieved 2011-09-08.
  2. ↑ Meyrick, Edward (1895). "Elachistidae". A Handbook of British Lepidoptera. London: Macmillan. pp. 638–692.PD-icon.svg This article incorporates text from this source, which is in the public domain .
  3. ↑ Kimber, Ian. "38.045 BF629 Elachista utonella Frey, 1856". UKmoths. Retrieved 4 April 2020.
  4. ↑ "Elachista utonella Frey, 1856". Bladmineerders.nl. Archived from the original on September 26, 2012. Retrieved September 8, 2011.
  5. ↑ "Elachista (Elachista) utonella Frey, 1856". Fauna Europaea. Retrieved 4 April 2020.
Mined leaf of Carex flacca Elachista utonella mined leaf of Carex flacca.JPG
Mined leaf of Carex flacca
Larva Elachista utonella larva.JPG
Larva


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