Elachista biatomella

Elachista biatomella
	Elachista biatomella
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Elachistidae
Genus:	Elachista
Species:	E. biatomella
Binomial name
	Elachista biatomella; (Stainton, 1848)
Synonyms
	List Biselachista biatomella Traugott-Olsen & Nielsen, 1977; Cosmiotes biatomella Clemens, 1860; Aphelosetia biatomella Stainton, 1848; ;

Elachista biatomella is a moth of the family Elachistidae found in Europe.

Description

The wingspan is 7–9 millimetres (0.28–0.35 in).[1] Adults are on wing from May to September in two generations per year.

The larvae feed on acute sedge (Carex acuta prolixa) and glaucous sedge (Carex flacca), mining the leaves of their host plant. The mine starts at a leaf axil and ascends as a narrow corridor with a thin frass line. After 20–30 millimetres (0.79–1.18 in), the direction of the mine reverses, resulting in an elongate and lightly inflated blotch. Pupation takes place outside of the mine.[2] Larvae can be found from June to July and again (after overwintering within the mine) from September to April. They are yellowish with a dark brown head.

Distribution

It is found from Sweden to the Iberian peninsula, Sardinia and Italy, and from Great Britain to Ukraine.[3]

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References

"Elachista biatomella (Stainton, 1848)". Micro Lepidoptera.nl. Archived from the original on February 12, 2011. Retrieved September 23, 2011.
"Elachista biatomella (Stainton, 1848)". Bladmineerders.nl. Archived from the original on September 27, 2012. Retrieved September 23, 2011.
Ellis, W N. "Elachista biatomella (Stainton, 1848) two-dotted dwarf". Plant Parasites of Europe. Retrieved 10 March 2020.

Plant of Carex flacca with a mined leaf blade

Carex flacca detached leaf with a young mine

Larva

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[1] "Elachista biatomella (Stainton, 1848)". Micro Lepidoptera.nl. Archived from the original on February 12, 2011. Retrieved September 23, 2011.

[2] "Elachista biatomella (Stainton, 1848)". Bladmineerders.nl. Archived from the original on September 27, 2012. Retrieved September 23, 2011.

[3] Ellis, W N. "Elachista biatomella (Stainton, 1848) two-dotted dwarf". Plant Parasites of Europe. Retrieved 10 March 2020.