Factorio Forums

Higher Quality Biter Spawners (ie uncommon, rare, epic, legendary) do not create higher quality products such as legendary biter eggs.
To replicate this you need to just place a rarity captive biter spawner in the world and feed it with bioflux, afterwards it will create common quality biter eggs instead of items of higher rarity.

Please fix this so we can farm higher quality biter eggs & create higher quality biters; and if this is intended behavior then please reconsider since it'd be a really fun way to farm eggs instead of the regular recycling process!

I see this as a bug because unlike assembly machines and other manufactures which take input quality input items to create quality outputs, the biter spawners do not.
I expected them to behave similarly to legendary solar panels which also have no input and create a quality output respective to their level.

Besides, they make legendary biters so why not legendary eggs to hatch those biters?
There's no reason to make a legendary captive biter spawner otherwise

Quality modules do, not quality production machines.