any of numerous dipterous insects of the family Tachinidae, the larvae of which are parasitic on caterpillars, beetles, and other insects.
- Also called tach·i·nid.
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British Dictionary definitions for tachina fly
any bristly fly of the dipterous family Tachinidae, the larvae of which live parasitically in caterpillars, beetles, hymenopterans, and other insects
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012