Attack of the Maggots!

I have lived in a HDB flat long enough to know what kind of pests lurk around. Cockroaches, lizards are common and hence, you can imagine how unbelievable it was when a friend claimed to see a worm when the group of us were chatting in my kitchen.It was necessary to identify the source and after checking; we finally found the culprit. A bag of Japanese rice that was sealed up; it was last used