I have had some Deathsquitos and regular Fulings spawn on my micro-Plains but I haven't spent a whole bunch of time there. I did expand it a bit. though.
And now I just picked up barley and flax after defeating my first Fuling village. Time to turn into Ignor the Agrarian Viking!
https://steamcommunity.com/sharedfiles/filedetails/?id=2816102591