Here in the sanctuary, we have around 70 Orange Migrant caterpillars that should pupate in the next week. 

2 to 3 weeks after pupation, they will emerge … just before Christmas! Merry Christmas to us! 

Source:

Caterpillar photos: Australian Butterfly Sanctuary

Butterfly photo: http://butterflycircle.blogspot.com.au/2013/10/life-history-of-orange-emigrant.html