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in a parasitic manner
Definition that contains parasitically
- acanthocephalan any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
- spiny-headed worm any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
- tachina fly bristly fly whose larvae live parasitically in caterpillars and other insects; important in control of noxious insects