Structures shown are lateral view of tegumen, uncus, gnathos, and associated structures; lateral external view of left valva; lateral internal view of right valva and lateral view of aedeagus. Image published in: Austin, George T., and Andrew David Warren 2001. Taxonomic notes on some Neotropical skippers (Lepidoptera: Hesperiidae): Pyrgus, Heliopetes, and Heliopetes (Pyrginae). Dugesiana 8(1): 1-13, 27 figs.; f. 18