Chiasmia simplicilinea is a moth in the family Geometridae. It is found in eastern and southern Africa from Ethiopia to South Africa and in Ivory Coast & Madagascar.

Known foodplants of the larvae of this species are Mimosoideae, Acacia dealbata and Acacia mearnsii.Flora of Zambia

Subspecies Chiasmia simplicilinea simplicilinea (Warren, 1905) Chiasmia simplicilinea pagenstecheri (Herbulot, 1978)

References