Seq # 115040010

Etainia decentella (Herrich-Schäffer, 1855) Species

Last modified: Oct. 27, 2023, 10:32 a.m.

A rare species in Belgium, though recorded from all provinces.


Family: Nepticulidae > Genus: Etainia > Species: Etainia decentella
Vernacular names
Esdoornvruchtmineermot (NL), Sycamore-seed Pigmy (EN)
First mention in Belgium
De Crombrugghe G. 1910. Observations entomologiques faites au cours de l’année 1910. — Revue mensuelle de la Société entomologique namuroise 10: 93–95. On page 95 (as Nepticula decentella HS.). view page




Museum specimens

Specimens in nature


Only the summer generation mines the fruits. A small gallery is visible but the mine does not enter the seed itself.

See also

No pictures yet!


The cocoon is reddish and is spun on the trunk of the host tree.

No pictures yet!


The egg is laid on a wing of the fruits of the food plant.
The adults rest on the tree trunk and come to light.

No pictures yet!

Flight periods

The adults fly in two generations: June and August.

Observed on

Host plant (species):
Acer pseudoplatanus

The species mines the fruits of: Acer pseudoplatanus and A. monspessulanum.

No pictures yet!