FIGURES 5–8. Heterostomus male. 5 in On the enigmatic Heterostomus curvipalpis Bigot, 1857, with a description of the pupa (Diptera, Brachycera)

FIGURES 5–8. Heterostomus male. 5: head, lateral view. 6: hypopygium, shown on left side the ventral view, and on right side dorsal view. gs: gonostyle, gx: gonocoxite, aa: aedeagal apodeme, pa: parameral sheath, at: aedeagus tip, ea: ejaculatory apodeme, eg: endoaedeagal guide, eh: endophalic hilt, ea: ejaculatory apodeme, gap: gonocoxal apodeme, la: lateral apodeme, sp: sperm pump. 7: epandrium (ep) (tergites IX and X fused), shown on left side the ventral view, and on right side dorsal view. hy: hypoproct. 8: wing.