Plusia festucae

Gold spot
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Noctuidae
Genus:	Plusia
Species:	P. festucae
Binomial name
	Plusia festucae; (Linnaeus, 1758)

Plusia festucae (gold spot) is a species of moth of the family Noctuidae. It is found throughout the Palearctic realm from Ireland to Japan.

Technical description and variation[]

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.^[1]

Larva

Biology[]

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.^[2] Pupates in a whitish cocoon on the underside of a blade of grass, doubled over for the purpose.

References[]

^ Seitz, A. Ed., 1914 Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914
^ "Robinson, G. S., P. R. Ackery, I. J. Kitching, G. W. Beccaloni & L. M. Hernández, 2010. HOSTS – A Database of the World's Lepidopteran Hostplants. Natural History Museum, London".

External links[]

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[1] Seitz, A. Ed., 1914 Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914

[2] "Robinson, G. S., P. R. Ackery, I. J. Kitching, G. W. Beccaloni & L. M. Hernández, 2010. HOSTS – A Database of the World's Lepidopteran Hostplants. Natural History Museum, London".

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