Details:  Canon EOS 10D,  shutter 1/180 second, aperture f13, ISO 400, Canon EF 100 mm macro lens, Canon MR-14EX flash.

Cirrus Digital Imaging. "Syrphid Flies aka Hover Flies." Cirrus Digital Imaging - Common North American Anthropods. (http://www.cirrusimage.com). <http://www.cirrusimage.com/Flies_hover.htm > (19 Sep. 2004).

Government of Canada. "Diptera Syrphidae." Canada's Digital Collections / Virtual Exhibit on Canada's Biodiversity.(http://collections.ic.gc.ca/biodiversity/ )
<http://collections.ic.gc.ca/biodiversity/family/Syrphidae.html > (19 Sep. 2004).

National Wildlife Federation. "American Hoverfly." eNature (http://www.enature.com). <http://www.enature.com/fieldguide/showSpeciesSH.asp?curGroupID=4&shapeID=1017&curPageNum=21&recnum=IS0068 >

Thompson F. C. (editor) Thompson, F. C.(editor). 2000. "Genera of Flower Flies." Biosystematic Database of World Diptera. (http://.sel.barc.usda.gov/diptera/ )<http://www.sel.barc.usda.gov/Diptera/syrphid/syrphgen.htm > (19 Sep. 2004).

Government of Canada. "Diptera Syrphidae." Canada's Digital Collections / Virtual Exhibit on Canada's Biodiversity.(http://collections.ic.gc.ca/biodiversity/ )
<http://collections.ic.gc.ca/biodiversity/family/Syrphidae.html > (19 Sep. 2004).