Parasitoids
Parasitoids are insects that feed on or in the tissue of other insects, consuming all or most of their host and eventually killing it. They are typically small wasps (Order Hymenoptera), or flies (Order Diptera).
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Parasitoid wasps and hoverflies are just two of the beneficial insects attracted to the garden with cilantro for companion planting.
Parasite, parasitoid-An organism that lives on or in another living organism (called a host) and obtains its food supply from the host.
Parthenocarpic-Species or cultivar that produces fruits without pollination and fertilization.
Fennel, angelica, coriander, dill, and wild carrot all provide in great number the tiny flowers required by parasitoid wasps. Various clovers, yarrow, and rue also attract parasitoid and predatory insects.
Beneficial bugs are either predators or parasitoids. Predator bugs kill and feed on their pray and parasitoids lay their eggs on or in their host. When the eggs hatch, the larvae feed on the bad insect, resulting in its death.
Certain small wasps are parasitoids that will lay eggs within a host such as a caterpillar. The young will develop and feed within the host, eventually killing it. To attract beneficial insects to your garden, plant native perennials.
Beneficial insects, like parasitoid wasps, soldier beetles, and the green lacewing, whose larvae hunt and kill the nymphs, are useful. To kill adults on most plants, spray with insecticidal soap, or horticultural oil.
Beneficial Insect: Refers to any insect that benefits your garden in some way. For example, insect pest predators and parasitoids and pollinating insects.
Biennial: A plant that requires two growing seasons to complete its full life cycle.
derives its food from the body of another organism, the host, without killing the host directly; also an insect that spends its immature stages in the body of a host that dies just before the parasite emerges (this type is also called a parasitoid).
 See also: Larva, Insect, Larvae, Plant, Natural
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