Elachista utonella Frey, 1856 Species
Last modified: Dec. 23, 2024, 12:29 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 (as Elachista Utonella Frey). view page
- Status
-
Native
Distribution
Imago
Wingspan 8–9 mm. Dissection is recommended to separate the adult from the very similar Elachista albidella and Elachista eleochariella, the latter not yet observed in Belgium.
Museum specimens
Specimens in nature
No pictures yet!Caterpillar
The larva is yellowish green or grey, with a brown or black head and a light brown prothoracic plate.
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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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