FIGURES 1–5 in Variation in Fukienogomphus prometheus (Lieftinck, 1939) reveals Stylurus takashii (Asahina, 1966) as a junior synonym, with discussion on the status of F. choifongae Wilson & Tam, 2006 (Odonata: Gomphidae)

FIGURES 1–5. Specimens of Fukienogomphus prometheus: 1, male habitus, lateral; 2, female habitus, lateral; 3, female head, dorso-lateral (the blue arrows indicate the spines on the outer-posterior corner of the lateral ocellus); 4, the female head of the holotype of Stylurus takashii, dorso-lateral (photo by Takuya Kiyoshi); 5, female subgenital plate of fresh specimen, ventral.