鑽心蟲 [钻－虫]

Jyutping zyun1 sam1 cung4
Pinyin zuān xīn chóng

Definitions (CC-CEDICT)
  1. boring insect
  2. snout moth's larva (Aphomia gullaris or Plodia interpuncuella or Heliothus armigera etc), major agricultural pest