Seq # 115040020

Etainia louisella (Sircom, 1849) Species

Last modified: Feb. 24, 2023, 5:07 p.m.

Discovered for the first time in Belgium in all provinces during August 2007. Nowadays a fairly common species throughout the country, but more observed in the northern part.


Family: Nepticulidae > Genus: Etainia > Species: Etainia louisella
Vernacular names
Akenvruchtmineermot (NL), Maple-seed Pigmy (EN)
First mention in Belgium
Snyers C. 2008a. Ectoedemia louisella, nieuw voor de Belgische fauna (Lepidoptera: Nepticulidae). — Phegea 36(1): 28–30. On page 28. view page




Museum specimens

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Specimens in nature


The monophagous larva makes a small gallery leading into the seeds.

See also


The cocoon is yellowish brown of pinkish brown.

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The eggs of the mining generation are laid on the wings of the fruits. Eggs of the summer generation are laid on the base of the petiole.
The larvae of the latest generation overwinter in hibernacula and spin their cocoons in spring.

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Flight periods

The adults fly in two or sometimes three generations a year: from April and May, during July and during September and October.

Observed on

Host plant (species):
Acer campestre

Only known from Acer campestre.

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