FIGURES 17−20. Philetus schizophorus male terminalia. 17. Lateral view. 18 in Review of the little-known western Nearctic fly genus Philetus Melander (Diptera: Empididae), with a discussion of its phylogenetic assignment

FIGURES 17−20. Philetus schizophorus male terminalia. 17. Lateral view. 18. Hypandrium and phallus, dorsal view. 19. Hypandrium and phallus, lateral view. 20. Epandrium and proctiger, dorsal view. Abbreviations: cerc—cercus; ej apodejaculatory apodeme; epand—epandrium; epand lb—epandrial lobe; goncx apod—gonocoxal apodeme; hypd—hypandrium; m ap hypd proc—median apical hypandrial process; m sbepand lb—medial subepandrial lobe; pgt—postgonite; ph—phallus; v sbepand lb—ventral subepandrial lobe. Figures 17 and 20 are based on a specimen from Mt. Rainier, Washington; Figs 18 and 19 are based on a specimen from White Mts., Arizona.