#grub  a soft thick wormlike larva of certain beetles and other insects
  supertype:  larva  the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose
  subtype:  maggot  the larva of the housefly and blowfly commonly found in decaying organic matter
  subtype:  leatherjacket  tough-skinned larva of certain crane flies

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