FIGURES 2–5. Laphria ferox Williston, 2 in Pupal cases of four Nearctic species of Laphria (Diptera: Asilidae)

FIGURES 2–5. Laphria ferox Williston, 2. Female pupal case, lateral view, 3. Facial sheath, ventral view, 4. Male abdominal segments 8–9, ventral view, 5. Female abdominal segments 8–9, ventral view. Abbreviations: dpp = dorsal posterolateral process, lfsp = lateral facial spine, mfsp = median facial spine, mvt = midventral tubercles, vpp = ventral posterolateral process.