Plusia_festucae

<i>Plusia festucae</i>

Plusia festucae

Species of moth

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

Quick Facts Gold spot, Scientific classification ...

Technical description and variation

For a key to the terms used, see Glossary of entomology terms.

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

  1. [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. [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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