Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Flies (Diptera) » "Orthorrhapha" (Brachycera excluding Aschiza and Schizophora) » Tabanomorpha » Horse and Deer Flies (Tabanidae) » Horse Flies (Tabaninae) » Tabanus » Tabanus marginalis
Photo#130074
Fly - Tabanus marginalis
Copyright © 2007 Tom Bentley

Fly - Tabanus marginalis
Wilderness State Park, Emmet County, Michigan, USA
July 20, 2007
Size: 1cm
Contributed by Tom Bentley on 23 July, 2007 - 9:44pm
Last updated 1 July, 2008 - 5:37pm

Moved
Moved from Horse Flies.
… Tom Bentley, 1 July, 2008 - 5:37pm

My two cents...
As far as the MI fauna goes, that's a dead ringer for Tabanus marginalis. At first I thought the bit of shine on the vertex was evidence for a ocelligerous tubercle but the large contiguous bands on 2 & 3 seem to rule out the Hybomitra.
… drswanny, 1 July, 2008 - 9:38am

Moved
Moved from Horse and Deer Flies.
… Tony-2, 4 February, 2008 - 10:24am

Moved
Moved from Flies.
… Tom Bentley, 11 January, 2008 - 1:53pm

Certainly Tabanidae, but I ca
Certainly Tabanidae, but I can't go any further than that.
… Dennis Haines, 11 January, 2008 - 1:51pm

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2010 Iowa State University, unless otherwise noted.

Bugguide is hosted by Iowa State University Entomology.