Seq # 362190030

Phiaris micana (Denis & Schiffermüller, 1775) Species

Last modified: Nov. 22, 2023, 1:40 p.m.

A rare species in Belgium with two distinct area's: the Kempen area and the southern part of the country were in some places the species is locally common.


Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Olethreutini > Genus: Phiaris > Species: Phiaris micana
Vernacular names
Roestlijnbladroller (NL), Olive Marble (EN), Moorwiesen-Knospenwickler (DE)
Phiaris olivana (Treitschke, 1830)
First mention in Belgium
De Fré Ch. 1858. Catalogue des Microlépidoptères de la Belgique. — Annales de la Société entomologique belge 2: 45–162. On page 76.




Wingspan 13–18 mm. A complex forewing pattern with pale areas white and cream. The darker areas are a shade of brown with darker brown and black markings. There are silvery grey patches. The integrity of the markings and their balance is variable.

Museum specimens

Specimens in nature



The larva lives in a tubular spinning and it pupates in a cocoon in or near the roots. They fly towards sunset. The males rest by day openly on the foliage in boggy places.

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Flight periods

The adults have been observed from mid-May towards late August, occasionally later.

Observed on

Herbaceous plants and Mosses

Little known but it is believed that the larva lives on different species of mosses and perhaps on lower herbaceous plants.

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It occurs on sandy soils and prefers places with moist soils, such as low and raised bogs, moorland and moist forests.

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