We kept the white maggot of a fly called qmburs. It reached 3 centimetres and pupated for 25 years. As it aged, it shrank and produced more silk. Qmburs wove a silk case around a shell. When it got too large, the case would stifle it and the maggot moved out. My grandmother transferred it while still inside its shell to a new home. This was usually the underside of an old bamboo coffee table. The maggot adhered to the surface with a glue-like substance and produced more silk: 3 x 600-millimetre-square harvests per year, thick and frothy. I scrounged bamboo-coffee tables. Mama kissed my forehead: a rare gift.