Seq # 903020010

Agrotis bigramma (Esper, 1790) Species

Last modified: Sept. 16, 2023, 2:51 p.m.

A very rare xerothermic species in some parts of Belgium, not observed since a long time.


Family: Noctuidae > Subfamily: Noctuinae > Tribus: Agrotini > Genus: Agrotis > Species: Agrotis bigramma
Vernacular names
Gepijlde worteluil (NL), Great Dart (EN), La Noctuelle trapu (FR), Breitflügelige Erdeule (DE)
Agrotis crassa (Hübner, 1803)
First mention in Belgium
Lambillion L.-J. 1921a. Lépidoptères capturés par Mr l’avocat Bray, à Virton et dans les environs immédiats, pendant ces trois dernières années. — Revue mensuelle de la Société entomologique namuroise 21: 6. On page 6.




Wingspan: 37–48 mm.

Museum specimens

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Specimens in nature


The larva lives on the roots and leaves of different species of herbaceous plants and grasses.
It Hibernates as a larva in an underground cell, in which it pupates. The larva aestivates prior to pupation as it is the case with many later flying Agrotis species.
The adults come to light and sugar.

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Flight periods

The adults fly in one generation a year: from early July till mid-September.

Observed on

Grasses and Herbaceous plants

The larvae are polyphagous on low-growing parts of plants including grasses.

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It inhabits open or semi-open landscapes with a good portion of open soil, like sandy grasslands, sandy agricultural land, vine yards, steppe grasslands etc...

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