Key to Nearctic Asilidae in the Diogmites angustipennis complex 1 Phallus bilobed (Fig. 2 a). Female abdominal tergites 1–6 pollinose and opaque dorsally; tergites 7–8 glabrous dorsally, opaque laterally (Fig. 2 b)........................................................................................ Diogmites bilobatus sp. nov. - Phallus not bilobed (Fig. 3 a). Female abdominal tergites 1–4 or 1–5 and sternites 1–5 pollinose and opaque; tergites 5–8 or 6–8 and sternites 6–8 polished (Fig. 3 b) ........................................................... Diogmites angustipennis Loew

Published as part of Barnes, Jeffrey K., 2010, Nearctic species related to Diogmites angustipennis Loew (Diptera: Asilidae), pp. 1-22 in Zootaxa 2545 on page 3, DOI: 10.5281/zenodo.196750