粘虫

army worm (e.g. Mythimna separata or Leucania separata etc, major cereal pests)

variant of 黏[nian2]

to glue / to paste / to adhere / to stick to

variant of 蟲|虫[chong2]

lower form of animal life, including insects, insect larvae, worms and similar creatures / CL:條|条[tiao2],隻|只[zhi1] / (fig.) person with a particular undesirable characteristic