The dark brown adults of this species have bright orange hindwings. They closely resemble a hummingbird in flight and when hovering at a flower. Unlike most hawk-moths, this is a day-flying species and is usually seen visiting flowers in sunshine.
Pupates close to the ground in leaf litter or in the leaves of the food plant.
Anywhere.
Recorded in 2 (0.7%) of the 270 2km squares of Baden-Württemberg.
Last recorded in September 2018
Recorded date range (Flying/Adult): 04 June to 09 October
Recorded date range (Larva/Leafmine): 17 July to 19 July