close up of a halfed red apple with wormhole and codling moth, tunnel eaten by a caterpillar, cydia pomonella,

apple worm pomonella codling caterpillar cut bite moth wormhole larva pest fruit agricultural eating major pests section tunnel parasite rotten half disgusting wormy maggot decay parasitic harm insect agriculture background isolated white natural rotting single hole alive railroad gardening cross putrid animal organic inside nobody food butterfly crop