The menace, called the rice leaf-folder as the insects eat up the leaves and then fold them, began in mid-August. Tribal elders have already started talking of the intermittent famines that occur in the state. "The last time the caterpillar hordes descended on us was in 1959 and had led to the disastrous ‘Mautam’ or death-bringing famine. I fear something similar will happen...," says Mizo tribal elder L. Rokhuma.