About Oncocera semirubella Scopoli, 1763
Oncocera semirubella Scopoli, 1763 has a wingspan of 26–30 mm. Its forewings are light crimson or pink, sometimes heavily mixed with grey or dark grey, with a whitish, greyish-ochreous, or grey costal streak, plus a broad ochreous-yellowish dorsal suffusion. Hindwings are grey, with a faint rosy tinge. The larva is bronzy-blackish with ten indistinct greenish lines, and has a whitish lateral spot containing a black dot on its third segment; the head and the plate on its second segment are black. Larvae live amongst silk webbing on plants of the genus Lotus. Adult moths produce one generation per year, emerging from the end of June through August. They are easily disturbed from short grassland, begin flying at dusk, and are attracted to both light and sugar bait. This species is distributed across European regions including the British Isles, and East Asia, including China, Japan, South Korea, and Taiwan.
