Elachista obliquella

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

Elachista obliquella
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Elachistidae
Genus:
Elachista
Species:
E. obliquella
Binomial name
Elachista obliquella
Stainton, 1854
Synonyms
  • Biselachista obliquella Traugott-Olsen & Nielsen, 1977
  • Cosmiotes obliquella Clemens, 1860

Description

The wingspan is 8–10 millimetres (0.31–0.39 in). Adults are on wing from April to July and again in August in two generations per year.[1]

The larvae feed on tor-grass (Brachypodium pinnatum), false-brome (Brachypodium sylvaticum), Bromopsis erecta, Bromopsis ramosa, reed grass (Calamagrostis species), acute sedge (Carex acuta), Carex hudsonii, Carex ornithopoda, Carex spicata, Carex sylvatica, cock's-foot (Dactylis glomerata), tufted hairgrass (Deschampsia cespitosa), fescue (Festuca species), wood-barley (Hordelymus europaeus), crested hair-grass (Koeleria macrantha), melic (Melica species) milletgrass {Milium species) and broad-leaved meadow-grass (Poa chaixii). They mine the leaves of their host plant. The mine starts as a narrow, brown, ascending corridor and most of the frass is deposited in the basal part. Later, the larva leaves this mine and makes a new mine in another leaf. This mine is an elongated, somewhat inflated blotch which occupies nearly the entire width of the leaf.[2] They are dull grey green with a light brown head. Larvae can be found from autumn to mid-May and again in July.

Distribution

It is found from Scandinavia to the Iberian Peninsula, Italy and Romania and from Ireland to Ukraine. It is also found in Russia.

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References
  1. "Elachista obliquella". UK Moths. Retrieved 21 February 2020.
  2. "Elachista obliquella Stainton, 1854". Bladmineerders.nl. Archived from the original on September 27, 2012. Retrieved September 12, 2011.


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