Poecilocampa populi, the December moth, is a moth of the family Lasiocampidae.
The wingspan is 30–45 millimetres (1.2–1.8 in). The moth flies from October to December depending on the location.
The larvae feed on various deciduous trees, such as oak, poplar and lime (Tilia).
It is found in Europe, Northern Asia and Japan.
Side view of Poecilocampa populi, ♂
Both side mounted specimen ♂
Caterpillar of Poecilocampa populi, dorsal view
Caterpillar of Poecilocampa populi, side view
Eggs of Poecilocampa populi