Forgot some edge highlights and cleaning up the base, but my first test model for Hive Fleet Ceryx is otherwise complete!!
For comparison, this was my reference:
And a shout out to iPaint on Warseer for his impressive scheme which I borrowed the Maw colouring and Bone technique:
I will eventually post my ratios for future reference, but as this is a surprise ambush post, I must be in and out like a ninja!