Higher classification Rivula | Scientific name Rivula sericealis Rank Species | |
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Similar Butterflies and moths, Noctuidae, Hypena proboscidalis, Herminia grisealis, Protodeltote pygarga | ||
Rivula sericealis www gdoremi altervista org
Rivula sericealis, the straw dot, is a species of moth of the family Noctuidae. 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.
Contents
Technical description and variation
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 with a yellow tinge, darker terminally.
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.
