Figure 8. Male external terminalia. A in The male genital tract and aedeagal components of the Diptera with a discussion of their phylogenetic significance

Figure 8. Male external terminalia. A, Androprosopa americana (Thaumaleidae) (posterior view). B, Androprosopa americana (Thaumaleidae) (posterior view). C, Dixella nicholsoni (Dixidae) (lateral view). D, Dixella nicholsoni (Dixidae) (posterior view; gonostyli removed). aed, aedeagus; cerc, cercus; gst, gonostylus; hyprct, hypoproct; pm, paramere; v pl, ventral plate. Scale bars = 0.1 mm, except in B scale bar = 0.05 mm.