tach·​i·​nid ˈta-kə-nəd How to pronounce tachinid (audio)
: any of a family (Tachinidae) of bristly usually grayish or black dipteran flies whose parasitic larvae are often used in the biological control of insect pests
tachinid adjective

Example Sentences

Recent Examples on the Web Metallic tachinid fly Scientific name: Rhachoepalpus metallicus Distribution: Tropical South America Size: 12 to 15 mm (0.5 to 0.75 inches) long As its scientific name suggests, this fly has a striking, metallic blue sheen. Meilan Solly, Smithsonian Magazine, 29 Apr. 2020 How to call in an earwig predator The earwig's only insect predator in North America is the tachinid fly. The Editors Of Organic Life, Good Housekeeping, 29 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tachinid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


New Latin Tachinidae, from Tachina, genus of flies, from Greek tachinos fleet, from tachys swift

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of tachinid was in 1888

Dictionary Entries Near tachinid

Cite this Entry

“Tachinid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tachinid. Accessed 6 Dec. 2022.

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