Seq # 362660070

Eucosma lacteana (Treitschke, 1835) Species

Last modified: Dec. 5, 2023, 12:45 p.m.

A very rare species in Belgium, nowadys rarely recorded.


Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Eucosmini > Genus: Eucosma > Species: Eucosma lacteana
Vernacular names
Melkwit knoopvlekje (NL), Maritime Bell, Grey Saltern Tortrix (EN), Wermutwickler (DE)
Eucosma maritima (Humphreys & Westwood, 1845)
First mention in Belgium
Bodart C. 1913. Captures de Dinant et environs. — Revue mensuelle de la Société entomologique namuroise 13: 77. On page 77.




Wingspan 14–17 mm.

Museum specimens

Specimens in nature

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Yellowish to reddishbody with dark brown head dark brown and light to dark brown prothoracic plate, lateral and posterior margin darkly punctuated, pinacula hardly differentiated.

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The larva lives in a silken tube in the flowers feeding on the inflorescences and later on the unripe seeds all bound together with silk. Pupation in a cocoon among leaf litter or on the ground.
The adults come to light.

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Flight periods

The adults are on the wing from July to August.

Observed on

Host plant (species):
Artemisia maritima

The larva feeds on Artemisia maritima and perhaps also on other species of Artemisia, but that is uncertain.

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It inhabits coastal places and salt to brackish salt marshes.

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