Plusia festucae
| Gold spot | |
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.JPG) |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Noctuidae |
| Genus: | Plusia |
| Species: | P. festucae |
| Binomial name | |
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Plusia festucae (Linnaeus, 1758) |
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Plusia festucae (gold spot) is a species of moth of the family Noctuidae. It is found throughout the Palearctic ecozone from Ireland to Japan.
The wingspan is 34–46 mm. Forewing deep golden brown, with a golden metallic sheen at base of costa, on inner margin of median area, and on an oblique patch before apex; lines' all oblique, dark brown; veins dark brown; at base of vein 2 a large silvery rounded blotch, with a smaller, more elongate, one beyond it; the lowest streak of the apical blotch, below vein 6, and a spot at base of costa are also silvery; hindwing bronzy fuscous, with pinkish fringe.
The moth flies from June to September depending on the location.
Larva green; dorsal line dark green, edged with white; subdorsal and lateral lines white; spiracular yellowish; head green. The larvae feed on Carex, Sparganium erectum, Iris pseudacorus and Alisma. Pupates in a whitish cocoon on the underside of a blade of grass, doubled over for the purpose.
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Wikipedia