Step by step process to tame the hellfly 1 tame a diplo 2 level everything into health 3 go to the swamp with your diplo 4 find a male hellfly and kill it 5 take the pheromone 6 go around the hellfly nest (the area where the redwoods, swamp and red island {the island with the red obelisk is} are closest) and just almost kill all hellflys and hope that one is a female and it impregnates the diplo 7 enjoy your new hellfly

BTW I haven’t tested this hopefully it works

More Rhyniognatha Taming & KO Tips