Udea ferrugalis

Udea ferrugalis, the rusty dot pearl, is a moth of the family Crambidae. The species was first described by Jacob Hübner in 1796.[1]

Udea ferrugalis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Genus: Udea
Species:
U. ferrugalis
Binomial name
Udea ferrugalis
(Hübner, 1796)
Synonyms
  • Pyralis ferrugalis (Hübner, 1796
  • Pyralis ferruginalis (Rossi, 1794)
  • Pionea granjalis Chrétien, 1925
  • Pionea maculata Costantini, 1923
  • Pionea obsoleta Costantini, 1923
  • Scopula hypatialis Walker, 1859
  • Scopula martialis Guenée, 1854
  • Udea martialis f. fusca Dufrane, 1960
  • Udea martialis f. pallida Dufrane, 1960

Distribution

This species can be found in central and southern Europe, Asia Minor, Africa, India and Japan.[2][3]

Description

The wingspan is 18–22 mm. The forewings of these small moths have yellow, brown or ferruginous ground colour and prominent indistinct dark brown or blackish markings towards the edge. Hindwings are brownish grey.[4] Legs are whitish.[5] Caterpillars can reach a length of 10–15 millimetres (0.39–0.59 in). They are greenish with yellowish head.[4][6]

Biology

These moths are bivoltine or trivoltine.[6] The moth flies through the year, but mainly in the autumn, depending on location. The larvae feed on various herbaceous plants, such as Stachys, Arctium, Lycopus, Mentha, Eupatorium cannabinum and Fragaria vesca.[3] They overwinter in the soil as a chrysalis.[6] This species is sometimes considered a pest, as the larvae attack various crop plants.[4]

References
  1. Nuss, M.; et al. (2003–2017). "GlobIZ search". Global Information System on Pyraloidea. Retrieved June 27, 2018.
  2. Fauna Europaea
  3. Savela, Markku. "Udea ferrugalis (Hübner, 1796)". Lepidoptera and Some Other Life Forms. Retrieved June 27, 2018.
  4. Alford, David V. Pests of Fruit Crops: A Colour Handbook, Second Edition
  5. Hantsmoths
  6. G. Doremi Altervista


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