Seq # 270210470

Elachista utonella Frey, 1856 Species

Last modified: April 3, 2024, 7:10 p.m.


A very rare species in Belgium.


Details

Classification
Family: Elachistidae > Subfamily: Elachistinae > Genus: Elachista > Species: Elachista utonella
Vernacular names
Gevlekte zeggemineermot (NL), Bog Dwarf (EN)
Synonyms
Elachista paludum Frey, 1859
First mention in Belgium
Fologne E. 1863. Addenda au catalogue des Lépidoptères de Belgique. — Annales de la Société entomologique belge 7: 87–93. On page 93.
Status

Native


Distribution


Imago

Wingspan 8–9 mm. Dissection is recommended to separate the adult from the very similar Elachista albidella and Elachista eleochariella.

Museum specimens

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Specimens in nature

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Caterpillar

The larva is yellowish green or grey, with a brown or black head and a light brown prothoracic plate.

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Mine

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Bionomics

The larval mine appears from March to May.
Pupation is under a girdle in the angle of a leaf, with emergence from May to early August.

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Flight periods

Adults are on the wing from May till the end of August, may be bivoltine.


Observed on

Host plant (species):
Carex acutiformis and Carex paniculata

The larva feeds on Carex acutiformis, C. paniculata or C. vesicaria.

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Habitat

Inhabits wet or acid areas.

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