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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)

TaxonomyBrowse
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Species Chrysops divisus

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 Chrysopsinae (Deer Flies)
Genus Chrysops
Species divisus (Chrysops divisus)
Synonyms and other taxonomic changes
Chrysops atropos
Identification
The wing pattern, basal 2/3 infuscated (black) with the distal 1/3 hyaline (clear) and black body are diagnostic.
Range
Known only from Florida and Georgia. B & H show distribution in extreme SE Georgia (4 counties)
Season
in Florida flies from late February to late July (J & A)
in Georgia April - June (B & H)
Life Cycle
Larvae found at edge of lakes (J & A)
Remarks
Regarded as a serious pest of man in Florida (J & A)
Print References
Jones, C.M. & D. W. Anthony. 1964. The Tabanidae (Diptera) of Florida. Technical Bulletin No. 1295. USDA. 85 pp.

Beshear, R.J. & J.O. Howell. 1985. The horseflies and deerflies of Georgia (Diptera: Tabanidae). Research Bulletin 324. University of Georgia College of Agriculture Experiment Stations. 116 pp.
Internet References
presence in Georgia; list and seasonality (Eastern Tabanid list, Herschel Raney)
presence in Florida; PDF doc list giving 5 locations and a date of March (Charles Johnson, Insects of Florida, American Museum of Natural History)
synonym and record of type specimen collected in Florida (Academy of Natural Sciences, Philadelphia)