Some wasps lay their eggs on caterpillars called tomato hornworms. When the eggs hatch, the young wasps burrow into the caterpillar’s body and eat it alive. The adult wasps then fly away. This is an example of .

The wasps benefit by laying eggs on the hornworm, and their young get food by eating the caterpillar. The hornworm is harmed and may die, so this relationship is parasitism, not mutualism or commensalism.

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