Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Species Tabanus calens

Horse Fly - Tabanus calens - female Large Fly - Tabanus calens horse fly - Tabanus calens - female Dewy Fly - Tabanus calens Tabanus sp.? - Tabanus calens Tabanus calens Another Tabanus calens? - Tabanus calens - female Pennsylvania Fly for ID - Tabanus calens
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Infraorder Tabanomorpha
Family Tabanidae (Horse and Deer Flies)
Subfamily Tabaninae (Horse Flies)
Tribe Tabanini
Genus Tabanus
Species calens (Tabanus calens)
Explanation of Names
Tabanus calens Linnaeus 1758
2 sspp.: T. c. calens and T. c. giganteus De Geer
22-24 mm(1)
Abdomen uniformly dark or with small white patches, eyes uniformly dark, thorax faintly striped, antenna bright orange, wings uniformly brownish
Eastern USA, except Gulf states, and the southern tip of Ontario
Jul-Sep in NC(2)
Works Cited
1.Tabanidae of Canada, east of the Rocky Mountains 2: a photographic key to the genera and species of Tabaninae...
Thomas A.W. 2011. Canadian Journal of Arthropod Identification No.13.
2.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.