Rivula sericealis
Template:Speciesbox Rivula sericealis, the straw dot, is a moth of the family Noctuidae. The species was first described by Giovanni Antonio Scopoli in his 1763 Entomologia Carniolica. It is found in Europe including the Iberian Peninsula and southern Fennoscandia and south to North Africa. In an easterly direction, the species occurs across the Palearctic to the Pacific Ocean and Japan. The species closely resembles Evergestis forficalis.
Technical description and variation
Template:Entomology glossary hatnote
The wingspan is 18–22 mm. The length of the forewings is 13–15 mm. Forewing triangular, the apex rectangular, the termen curved; veins 7, 8, 9 stalked. Forewing straw yellow, becoming deeper terminally; with a black-brown reniform stigma containing two black dots; inner and outer lines brownish, obscure, the outer sinuous, excurved round the cell; hindwing luteous (mud coloured) with a yellow tinge, darker terminally.[1]
Biology
The moth flies from May to October depending on the location.
Larva green; dorsal line darker; subdorsal white; head greenish ochreous. The larvae feed on various grasses, such as false brome and purple moor grass.
Habitats include moist grasslands, wasteland, sparse forests, alder forests and parklands.
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Larva
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Illustration Figs. 4, 4a, 4b the same larva in various stages of growth 4c pupa 4d much magnified figure of 4
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Museum specimen
References
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- ↑ 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
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External links
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- "Rivula sericealis (Scopoli, 1763)". Fauna Europaea. Retrieved 15 February 2020.
- "09008 Rivula sericealis (Scopoli, 1763) - Seideneulchen". Lepiforum e. V. Retrieved 15 February 2020.