This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Any of various insects, such as the ichneumon fly, whose larvae are parasites that eventually kill their hosts.

adj. Of or relating to a parasitic insect of this kind.

n. Any organism that is parasitic during part of its life cycle, especially one that eventually kills its host.

Same as parasitic.

"Most biologists use the term parasitoid to refer only to insects with this type of life history, but some argue the term should be used more embrasively to include parasitic nematodes, seed weevils, and certain bacteria and viruses (e.g., bacteriophages), all of which obligately destroy their host."

pin-size    excluder    dauber    newly-hatched    caddis    free-swimming    vermiform    infect    predaceous    hookworm