Seq # 115100050

Stigmella assimilella (Zeller, 1848) Species

Last modified: Jan. 15, 2021, 11:41 a.m.

A not so common species in Belgium, but probably much more widespread.


Family: Nepticulidae > Genus: Stigmella > Species: Stigmella assimilella
Vernacular names
Ratelpopuliermineermot (NL)
First mention in Belgium
Fologne E. 1860. Lépidoptères et chenilles observés en Belgique. — Annales de la Société entomologique belge 4: 108–112. On page 110. view page




The egg is deposited on the upperside, usually beside a rib.

No pictures yet!


The mine is a very contorted gallery which widens gradually, often forming a false blotch by merged 'S' turns, or even a true blotch. The frass lays central and is broken.

See also


The cocoon is brown to black.

No pictures yet!

Flight periods

The adults fly in one protracted generation during June and July.

Observed on

Host plant (species):
Populus tremula and Populus alba

The larva makes a leaf mine on the upperside of Populus tremula, occasionally also on P. alba and P. canescens.

No pictures yet!