A key to North American species of Trioxys Haliday (Hymenoptera: Braconidae: Aphidiinae ...
By Fulbright, JK, Pike KS, StarĂ½, P Proceeding of the Entomological Society of Washington, 109: 779-790, 2007
full title is A key to North American species of Trioxys Haliday (Hymenoptera: Braconidae: Aphidiinae), with a summary of the geographic distribution, hosts, and species diagnostic features