I'm not sure what pest this is, but it is eating the roots of my pomegranate shrub. I saw it once on the top soil, and, when digging into the soil, I unearthed around 15 of these pests. I need to know what this is, so that I can apply the proper pest control.
I live in the Philippines, and a friend of mine said that it is common in their place, and loves to eat rhizomes and members of the potato family. She said that in their province, they call it "batag." Another friend said they call it "cutter" since it cuts the roots of the plant and sometimes the stems. Another said that it is "ulalo." I'm really confused, so any identification would really help. Here are the pictures: