| Eriopygodes imbecilla | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Superfamily: | Noctuoidea |
| Family: | Noctuidae |
| Genus: | Eriopygodes |
| Species: | E. imbecilla |
| Binomial name | |
| Eriopygodes imbecilla (Fabricius, 1794) | |
| Synonyms | |
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Eriopygodes imbecilla, the Silurian, is a moth of the family Noctuidae first described by Johan Christian Fabricius in 1794. [1] [2]
This species commonly lives on gullies and hollows in high moorland areas with host plants. [5]
The wingspan is 24–27 mm. [6] [7] The colour of these small moths may vary from tawny to reddish brown. Forewings usually show a pale kidney mark and two wavy cross lines, but often these markings are quite indistinct. Usually females are darker or chocolate brown and smaller than the males. [5] The rear wings are often pale greyish. Seitz describes it E. imbecilla F. (= aliena male Hbn., alpina female Hbn., disparilis O., nexa Dup.) Forewing rufous ochreous, sometimes grey-tinged, in the male, rufous brown in the female; veins finely brownish; inner and outer lines brown; submarginal obscure, the marginal area beyond it generally darker; reniform stigma externally whitish, preceded by a brownish median shade; hindwing greyish fuscous : fringe rufous. — Larva dirty grey, with a few yellowish grey hairs; dorsal line fine, whitish, traversing a series of black or brown oval blotches : lateral stripes dark grey, with a pale line at middle; spiracles black, each with a shining black point above it; head blackish, with 3 white lines. [8]
Adults fly from June to July. [5] Larvae are polyphagous on low plants, mainly feeding on bilberry ( Vaccinium myrtillus ), heath bedstraw ( Galium saxatile ), [5] Knautia and Lamium . [4] [9]
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