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Calendar
BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
Details...
 
Photos from the last gathering (Minnesota 2007)

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Genus Tabanus

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Orthorrhapha" (Brachycera excluding Aschiza and Schizophora))
Infraorder Tabanomorpha
Family Tabanidae (Horse and Deer Flies)
Subfamily Tabaninae (Horse Flies)
Genus Tabanus
Other Common Names
Greenheads
Explanation of Names
Tabanus is the Latin name used by the Romans for a kind of biting fly- probably the Gadfly, Tabanus bovinus
Numbers
108 taxa in NA (107 spp. 1 ssp.)
Size
small to large, 8-27 mm
Identification
This is a diverse genus, some representative views of different species are:


The 6 views shown below should enable any North American tabanid (Tabanus, Hybomitra and other Tabanid genera) to be identified to species:
1 - dorsal view of entire fly to show abdominal pattern
2 - lateral view of entire fly to show leg colour
3 - face view to show frons, calli, eye pattern, and palps
4 - frontal/lateral view of face to show antennae, palps, and eye pattern
5 - lateral view of face to show antennae, palps, and eye pattern
6 - wing to show spots (if any) and colour of wing membrane
Range
Most species in the south of NA (USA); only 30 spp. in Canada and Alaska
Habitat
Adults wide ranging; larvae in wetlands including salt marshes
Season
Throughout year in Florida, spring and summer further north
Food
Larvae carnivorous, adult females suck vertebrate blood, males and females imbibe plant sugars.
Life Cycle
Larvae make take several years to develop
Remarks
Genus 1 (of 6) in the Tribe: Tabanini (which is Tribe 3 of the Subfamily: Tabaninae).
The 108 taxa (107 spp., 1 ssp.) are mostly southern (USA) compared to the mostly northern (Canada) genus Hybomitra. For example, Virginia has an estimated 53 spp. of Tabanus and 11 spp. of Hybomitra, whereas New Brunswick has 8 spp. of Tabanus and 20 spp. of Hybomitra.
Very few photos of adults; great opportunity for photographers to make a significamt contribution.

maybe
you should tag more representative photos? the one representative photo is quite striking, but it might be helpful for browsers if more Tabanus photos could be seen on info and under Tabaninae.

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