Hadena magnolii is a species of moth of the family Noctuidae. It is found in Morocco, Algeria, south-eastern Europe, Turkey, Israel and Lebanon, Iran, Turkmenistan, Uzbekistan and Kirghizia.
Warren states H. magnolii Bdv. (= nummosa Er., conspurcata H. Sch. ?) (18 e). Forewing olive fuscous, somewhat purplish-tinged, and dusted with white; lines black, edged with bluish-white ; claviform stigma of ground colour, edged with black; orbicular round, white-ringed, distinct; reniform less clear, partially white-edged; hindwing fuscous, paler towards base, with dark cellspot and outer lne. Portugal, S. France, Italy, Switzerland,Dalmatia, Austria, Russia; Armenia, Asia Minor, W. Turkestan. Larva greyish yellow, darker at sides; dorsal line dark brown, geminate; the subdorsal stripes dark; lateral line pale; head yellow brown; on Silene nutans.[1]
Adults are on wing from May to June. There is one generation per year.
The larvae feed on the flowers and seeds of Silene nutans and other Silene species.