Seq # 500750030

Pediasia fascelinella (Hübner, 1813) Species

Last modified: July 1, 2021, 5:10 p.m.

A rare and local species restricted to the northern part of Belgium, mainly observed in the Kempen and at the coast.


Family: Crambidae > Subfamily: Crambinae > Tribus: Crambini > Genus: Pediasia > Species: Pediasia fascelinella
Vernacular names
Grote grasmot (NL)
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 101.




Museum specimens

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Specimens in nature


They are active at night and come to light.

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Flight periods

The adults fly from late May till late September.

Observed on

Host plant (genera):
Agropyron and Deschampsia

The larva lives in a subterranea tube composed of grains of sand spun together with silk on the roots of Agropyron, Deschampsia or other Gramineae.

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