What distinguishes the predatory behavior of lineages like Vespidae and Crabronidae from the reproductive strategy of parasitoids like Ichneumonidae?

Predators capture prey to provision their larvae, while parasitoids lay eggs on or within a host for larvae to consume

Predatory wasps, such as those in the Vespidae and Crabronidae families, capture live prey, often paralyze it using venom, and bring this provisioned food back to the nest for their developing larvae to consume. In contrast, parasitoid wasps follow a different reproductive strategy. Species like the Ichneumonidae lay their eggs either externally onto or internally within a host arthropod. The resulting wasp larva develops by consuming the host from the inside, frequently killing it only when the larva is ready to pupate. This fundamental difference lies in whether the insect provides killed food (predator) or uses the host as a living developmental substrate (parasitoid).