ive made a list of how to make diffrent bugs and creatures its all of them so stop reading if you dont want spoilers (btw they arent in order)
2 scutigeras + 1 microworm = beetel
snail + frog + butterfly =bat
2 beetels +frog = scorpion
crab + scorpion + bat + tarantula
2 scorpions + frog = crab
microworm + scutigera =aphide
2 microworms = scutigera
sautigera + Caterpillar + snail =frog
microworm+ Caterpillar + aphide = snail
2 microworms +aphide = catarpillar
catarpillar + aphide + scutigera = butterfly