I realize the point is moot now, but my own Google search for pain causing a fever led me to multiple answers of NO, and I know from my own medical issues that it is untrue, fever can be a rather rare response of the body to pain.
Harvester ants are the staple food source for most types of Horned Lizards or (horn toads). They provide formic acid - a necessary nutrient for horned lizards. A typical horned lizard adult may eat from 20 - 100 harvester ants a day. However, most pet stores do not supply harvester ants as feeders for horned lizards.
Feed Your Fire-Bellied Toads The Right Foods. Adult oriental fire-bellied toads eat a diet of three- to four-week-old commercially raised crickets. To gauge the right size prey, make sure the length of each cricket is no greater than the width of the frogâs head. Baby fire-bellied toads can be raised on fruit flies or pinhead to week-old crickets.