Siphona perispoliata (Mesnil, 1953)

Tachi, Takuji & Shima, Hiroshi, 2023, Systematic study of the subgenus Aphantorhaphopsis of the genus Siphona in East Asia and the Oriental Region (Diptera: Tachinidae), Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 63 (1), pp. 213-247 : 216

Siphona perispoliata group

Diagnosis. Abdomen. Shining black in ground color; tergite 3 without median marginal setae; male sternite 5 ( Figs 4 , 8 ) with a pair of developed apical lobes bearing pointed inner process. Male postabdomen ( Figs 1–3 , 5–7 ): pregonite fused with hypandrium at base, without seta; postgonite lacking. Female postabdomen ( Figs 9–10 ): tergite 8 narrowly fused with each other in anterodorsal part; sternite 8 with some strong setae.

Remarks. The character states described above are peculiar and thus are considered apomorphic. Siphona (Aphantorhaphopsis) expleta sp. nov. and S. (A.) perispoliata belong to this group and are distributed in the Oriental Region.

Figures

Figs 1–4. Male postabdomen of Siphona (Aphantorhaphopsis) expleta sp. nov. (paratype, Laos). 1 – epandrium, cerci and surstylus in lateral view; 2 – epandrium, cerci and surstylus in dorsal view (setae omitted on left side); 3 – hypandrium, pregonite, postgonite and phallus in lateral view; 4 – fifth abdominal sternite in ventral view (setae omitted on left side). Scale bars = 0.1 mm. Abbreviations: cer – cerci; ep – epandrium; hy – hypandrium; ph – phallus; pre – pregonite; sur – surstylus.

Figs 5–8. Male postabdomen of Siphona (Aphantorhaphopsis) perispoliata (Mesnil, 1953) (Hong Kong, Taipokau). 5 – epandrium, cerci and surstylus in lateral view; 6 – epandrium, cerci and surstylus in dorsal view (setae omitted on left side); 7 – hypandrium, pregonite, postgonite and phallus in lateral view; 8 – fifth abdominal sternite in ventral view (setae omitted on left side). Scale bars = 0.1 mm.

Figs 9–10. Female postabdomen of Siphona (Aphantorhaphopsis) perispoliata (Mesnil, 1953) (Hong Kong, Taipokau). 9 – postabdomen in lateral view; 10 – tip of postabdomen in dorsal view. Abbreviations: cer – cerci; epip – epiproct; hyp – hypoproct; st – abdominal sternite; t – abdominal tergite.