Seq # 900070020

Plusia putnami (Grote, 1873) Species

Last modified: May 7, 2024, 11:42 a.m.

A very rare and local species in Belgium, nowadays mainly restricted to the Kempen.
A species that is very often confused with the more common Plusia festucae.

This species is considered Critically Endangered according to the IUCN Red List category for Flanders 2023.


Family: Noctuidae > Subfamily: Plusiinae > Tribus: Plusiini > Genus: Plusia > Species: Plusia putnami
Vernacular names
Moerasgoudvenstertje (NL), Lempke's Gold Spot (EN), La Plusie des Laîches, la Plusie des marais (FR), Zierliche Röhricht-Goldeule (DE)
First mention in Belgium
Janssen A. 1969. Nieuwe vlindersoorten voor België. — Schakel 7: 53. On page 53.




Wingspan: 32–42 mm.

Museum specimens

Specimens in nature


Hibernates as a small larva and pupates in a cocoon, spun among the food plant.
The adults come to light.

No pictures yet!

Flight periods

The adults fly in two generations a year: from late May till late September.
The second generation is partial.

Observed on

Host plant (genera):
Holcus and Calamagrostis

The larva lives on several grasses including: Calamagrostis epigejos, Calamagrostis canescens and Holcus lanatus.

No pictures yet!