The larva of this species is typically light green with blue dashes and a bluish-green horn, but there is also a red morph.
Its larvae feed upon various plants in the olive family (Oleaceae) such as lilacs (Syringa spp.
Mature caterpillars pupate in subterranean chambers when they have finished feeding, and here the pupae stay dormant until the next year.
The moth emerges any time from May to August in the South, but is only found from June to July further north.
Adults feed at dusk on deep-throated flowers and have been sighted at honeysuckles (Lonicera spp.