My Cham Def has his shares of hunger strikes, if she stopped eating crickets, buy some super worms, gut load them and try those, then try and keep switching up her food. My male veiled is very picky eating crickets sometimes, hornworms, silkworms, Phoenix larvae, wax worms, silk worm moths, mealworms beetles. He used to eat dubias but stopped, now I'm stuck with roaches .. You get my point, they need variety, some more than others. If the hunger strike continues I would go to the vet and get a fecal sample, parasites would be my suggestion