Shimamyia orientalis ( Shima, 1979 ) Huang & Tachi, 2024

Huang, Yu-Zen & Tachi, Takuji, 2024, A new genus of the tribe Blondeliini (Diptera: Tachinidae: Exoristinae) from the Oriental Region with morphological and molecular evidence, Zootaxa 5496 (2), pp. 151-171 : 155-156

Shimamyia orientalis ( Shima, 1979) comb. nov.

( Figs. 1C–D , 2C , 4B , 5 )

Medinodexia orientalis Shima, 1979: 137 .

Specimens examined. HOLOTYPE: male ( NSMT), Sai Yok (500 m), Kanchana Buri / 9–13.xii.1975 / H. Shima . PARATYPES: 1 male ( BLKU), BORNEO SABAH/ Papar , 50 km SW/ Kota Kinabalu / 13–15 xi 1975 / H. Shima leg. ; 1 male ( BLKU), THAILAND / Sai Yok 500m / Kanchana Buri / 27–29 Dec. 1975 /S. Shinonaga; 1 female ( BLKU), THAILAND / Sai Yok 500m / Kanchana Buri / 27–29.xii.1975 / H. Shima leg. ; 1 female ( BLKU), BORNEO SARAWAK / Santubong , 30 km / North of Kuching / 19–20.xi.1975 .

Additional specimens: 1 female ( BLKU), Indonesia, Java, Bogor Botanical Garden , 25.xi.2007, T. Tachi leg.

Diagnosis. Body length: 5.51–7.48 mm. Vertex 0.17–0.19 of head width in male, 0.22–0.28 in female; antenna with postpedicel 2.69–3.00 times as long as pedicel in male, 2.73–3.18 times in female; 2 katepisternal setae; male abdominal tergite 4 and 5 with dense recumbent hairs dorsally; male postabdomen with surstylus pointed apically in lateral view, tapering and slightly curved inward, near as long as cercus in dorsal view; cerci swollen nearly apex in dorsal view; pregonite rounded apically; female postabdomen not elongated.

Distribution. Indonesia, Malaysia, Thailand.

Remarks. This species is newly recorded from Indonesia.

Figures

FIGURE 1. A–D Holotypes of two Shimamyia species. A. Shimamyia exigua (Shima) comb. nov. male, habitus in lateral view. B. Shimamyia exigua male, habitus in dorsal view. C. Shimamyia orientalis (Shima) comb. nov. male, habitus in lateral view. D. Shimamyia orientalis male, habitus in dorsal view.

FIGURE 2. A–F Shimamyia A. Shimamyia exigua (Shima) comb. nov. male head in lateral view (Indonesia, Noongan; KUM). B. Shimamyia exigua male, habitus in lateral view. C. Shimamyia orientalis (Shima) comb. nov. male, habitus in lateral view (Thailand, Kanchana Buri; KUM). D. Shimamyia taiwanensis sp. nov. male, habitus in lateral view, holotype male (NMNS). E. Shimamyia vietnamensis sp. nov. male head in lateral view, holotype male (BLKU). F. Shimamyia vietnamensis male, habitus in lateral view. Scale bars: 1.0 mm.

FIGURE 4. A–B Female postabdomens of Shimamyia. A. Female postabdomen of Shimamyia exigua (Shima) comb. nov. (Vietnam, Lao Cai; BLKU) in lateral view. B. Female postabdomen of Shimamyia orientalis (Shima) comb. nov. (Indonesia, Java; BLKU) in lateral view. Abbreviations: st, abdominal sternite; t, abdominal tergite. Scale bar: 0.20 mm.

FIGURE 5. A–D Shimamyia orientalis (Shima) comb. nov. male postabdomen (Thailand, Kanchana Buri; KUM) A. Sternite 5 in ventral view (setae on left side omitted). B. Epandrium, cerci, and surstyli in dorsal view (setae on left side omitted). C. Epandrium, cercus, and surstylus in lateral view. D. Hypandrium, pregonite, postgonite, and phallus in lateral view. Scale bars: 0.10 mm.