Found on the wall. Tried a smorgasbord but did not feed.
On 24 Dec it looked as it starting to pupate.
On 03 January it still did not turn and fly pupae were visible on the dead larva.
The flies emerged on 10 Jan 2021.
See flies https://www.inaturalist.org/observations/68198883
CRG 1606
Caterpillar: https://www.inaturalist.org/observations/168531066