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Insects › Horse and Deer Flies

Three-spotted Horse Fly

Tabanus trimaculatus

1,084 observations in the source records

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Wildlife study photograph from iNaturalist.
(c) jmgconsult, some rights reserved (CC BY-NC)

27 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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What the records say

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Illinois.January 8, February 9, March 13, April 25, May 40, June 16, July 13, August 13, September 15, October 12, November 8, December 7.
United States1,105
Illinois180
Canada147
Ontario147
Michigan113
Virginia108
Maryland107
Ohio97
Indiana62
West Virginia61

Counts show where people looked, not only where it lives.

Traits

Physical

  • ExoskeletonHas a hard external skeletonFrom its classification

Practical

  • BitingFrom its classification

Classification

KingdomAnimals · Animalia
PhylumArthropods · Arthropoda
ClassInsects · Insecta
OrderFlies · Diptera
FamilyHorse and Deer Flies · Tabanidae
GenusTrue Horse Flies · Tabanus

Sources

Remember the name next time.

Practise Three-spotted Horse Fly with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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