If you fly, then they come after you. If your on the ground, they ignore you.
Terraria Community Forums
Shaedric
A_judgementalLizard
/\ at which point you can just pick them off
NotaVoltorb
Oooooh ok I kind of rely on flying as a ranger, but I'll manage I guess, thanks
FairyPrincessSerenity
Set up some solid ground somewhere elevated above the ground, using blocks preferably or platforms. It'll keep you above the enemies and at the same time not attract the Crawltipede.
NotaVoltorb
It's kind of late for that, I'm already being spawn killed, unaware that I was going to deal with such bs ;-;