Shimamyia exigua Huang & Tachi 2024, comb. nov.

Shimamyia exigua (Shima, 1979) comb. nov. (Figs. 1A–B, 2A–B, 3, 4A) Medinodexia exigua Shima, 1979: 140. Specimens examined. HOLOTYPE: male (NSMT), INDONESIA /Noongan/50 Km S. of/Menado 1200m / 2–10 Dec. 1973. PARATYPES: 1 female (BLKU), 2 males, INDONESIA /Noongan/50 Km S. of/Menado 1200m / 2–10 Dec. 1973. Additional specimens: China (Xishuangbanna, Yunnan), H. Shima leg.: 1 male (BLKU), Menglun, 500–700 m, 6–9.viii.1990; 1 male (BLKU), Mengyang 950 m, 6.x.1989; 1 female (BLKU), Mengla, 700–1000 m, 3–5.viii.1990. Indonesia: 1 male (BLKU), Lurah Berangin, Pasaman WEST SUMATERA, 4.vii.1990, K. Hara leg. Taiwan (Chunyang, Nantou), C. S. Lin & W. T. Yang leg.: 1 male (NMNS), 25–27.v.1993, UV light; 1 female (NMNS), 10.xii.2002 – 7.i. 2003, Malaise trap (KCN). Vietnam, H. Kurahashi leg.: 1 male (BLKU), Son La Prov., nr Moc Chau Truong Yen 900 m, 19–21.vi.1997; 1 female (BLKU), Lao Cai Prov., nr Sapa Deo Tram Ton 1950 m, 31.v.1999. Diagnosis. Body length: 5.23–5.70 mm. Vertex 0.19–0.25 of head width in male, 0.25–0.31 in female; antenna with postpedicel 2.8–4.0 times as long as pedicel in male, 2.8–3.4 times in female; 3 katepisternal setae; male abdominal tergite 5 with dense recumbent hairs dorsally; male postabdomen with surstylus short and rounded apically with some setae in lateral view, tapering and curved inward with some setae in dorsal view; cerci tapering in dorsal view; pregonite rounded apically; female with elongate intersegmental membrane of segments 5, 6 and sternite 6. Distribution. China, Indonesia, Taiwan, Vietnam. Remarks. This species is newly recorded from China (Yunnan), Taiwan, and Vietnam.