Demolishers drop scales, used to craft big miners. Combine with a demolisher breeding mod and start farming demolishers.
Mods introducing new content into the game.
Changes to enemies or entirely new enemies to deal with.
New Ores and resources as well as machines.
https://mods.factorio.com/mod/demolisher-agriculture?from=search
This mod spawns it's own baby demolishers if you mess up and manage to let the pupea spoil. But the baby demolishers just simply do not drop scales.
Thanks for reporting, I didn't see that mod. Updated it to add scales for the baby demolishers
