Body Length Data for North American Syrphidae & Tabanidae

<p>Body size data for North American Syrphidae &amp; Tabanidae extracted from The Insects and Arachnids of Canada:</p> <p>Vockeroth, J.R., 1992. The insects and arachnids of Canada, Part 18. The flower flies of the subfamily Syrphinae of Canada, Alaska, and Greenland: Diptera: Syrphidae. Research Branch Agriculture Canada Publication 1867: 1-456.&nbsp;</p> <p>Teskey, H.J., 1990. The insects and arachnids of Canada, Part 16. The horse flies and deer flies of Canada and Alaska: Diptera: Tabanidae. Research Branch Agriculture Canada Publication 1838: 1-381.</p>