green rice caterpillar or similar insect larva; adopted son (Etymology: Wasps of a particular species take caterpillars to their nest as food for their offspring, but it was mistakenly believed that the wasps were raising the caterpillars as their own young.)

boring insect; snout moth's larva (Aphomia gullaris or Plodia interpuncuella or Heliothus armigera etc), major agricultural pest

adopted son