Least yellow underwing | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Lepidoptera |
Family: | Noctuidae |
Genus: | Noctua |
Species: | N. interjecta |
Binomial name | |
Noctua interjecta Hübner, 1803 |
Noctua interjecta, the least yellow underwing, is a moth of the family Noctuoidea. It is found in Europe.
The wingspan is 31–36 mm. The length of the forewings is 14–17 mm. Forewing greyish rufous, sometimes darkened with fuscous; lines and stigmata a little darker, often very obscure; hindwing orange yellow with a broad marginal black border; costal and inner margins, a submedian streak from base, and the cell blackish; fringe yellow.
The moth flies in one generation from late June to August.
Larva pale ochreous with black dots; the lines pale, with darker edges. The larvae feed on various grasses and herbaceous plants such as meadowsweet and Malva sylvestris.