Seq # 185330460

Phyllonorycter sagitella (Bjerkander, 1790) Species

Last modified: March 3, 2024, 3:04 p.m.

A widespread but local and fairly common species in Belgium.


Family: Gracillariidae > Subfamily: Lithocolletinae > Genus: Phyllonorycter > Species: Phyllonorycter sagitella
Vernacular names
Rode espenvouwmot (NL), Scarce aspen midget (EN)
Phyllonorycter tremulae (Zeller, 1846)
First mention in Belgium
De Crombrugghe G. 1905. Note sur quelques Microlépidoptères de la faune belge. — Annales de la Société Entomologique de Belgique 49: 100–107. On page 107 (as Lithocolletis tremulae Z.). view page




Head brown, mixed with many white hairs; forewing ground colour ochreous brown with indistinct white pattern consisting of four costal and three dorsal striae, all ill-defined; the entire wing is covered with scattered brown-tipped scales.

Museum specimens

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Specimens in nature

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A semi-circular or oval tentiform mine on the underside of a leaf. At first the mine has a yellowish tinge, sometimes with a pink, or even reddish, hue, but after a while it colours dark brown till even blackish. The underside is flat, without any longitudinal folds. The black frass is concentrated in a corner of the mine.
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A flimsy cocoon in the opposite corner than the one where the frass is stored. Pupal skin very dark brown or black.

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The species hibernates in the pupal stage. After emergence of the adult, the pupal skin protrudes through the mine.

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Flight periods

Two generations a year: April–May and August–September.

Observed on

Host plant (species):
Populus tremula

The species is monophagous on Populus tremula, especially the saplings.

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