Stegana (Steganina) toyaensis Okada & Sidorenko, 1992

(Figs 2A, 4)

Stegana (Steganina) toyaensis Okada & Sidorenko, 1992: 417 .

Diagnosis. Mesonotum black medially, brown laterally (Fig. 2A); aedeagus convex apicomedially (Fig. 4C, D).

Description. Male: Frons black. First flagellomere orange on basal 2/3, black on distal 1/3. Clypeus and palpus yellow. Katepisternum entirely white. Scutellum black (Fig. 2A). Femur of foreleg with 4 long erect setae near distal part of posteroventral surface. Abdominal tergites nearly black (Fig. 2A). Male terminalia (Fig. 4 A–G): Epandrium slightly protruded ventrally, with ca. 30 setae on posterior portion per side. Surstylus slender, with several setulae distally. Cercus lacking pubescence. Paramere with 1 setula. Tenth sternite broadened, with 1 pair of processes submedially. Female terminalia (Fig. 4 H–J): Epiproct and cercus with setae, lacking pubescence. Hypoproct entirely pubescent, with dense setae along posterior margin. Eighth sternite glabrous on basal 3/4 region, with pubescence and a few of setae on distal 1/4 region.

Measurements. BL = 3.27 mm in 1♂, 2.93 mm in 1♀, ThL = 1.42 mm in ♂, 1.54 mm in ♀, WL = 3.32 mm in ♂, 2.59 mm in ♀, WW = 1.21 mm in ♂, 1.23 mm in ♀, arb = 5–7/4–6, avd = 0.65–0.75, adf = 1.26–1.27, flw = 1.76–1.82, FW/HW = 0.30–0.33, ch/o = 0.23–0.25, prorb = 0.27–0.28, rcorb = 0.74–0.90, vb = 0.57–0.60, dcl = 0.57–0.62, presctl = 0.64–0.72, sctl = damaged, sterno = 0.82, orbito = 1.59–1.68, dcp = 0.32–0.33, sctlp = 1.73– 1.74, C = 1.94–2.08, 4c = 0.95–1.13, 4v = 1.30–1.45, 5x = 1.26–1.63, ac = 8.39–9.92, M = 0.42–0.50, C3F = 0.63– 0.70.

Specimens examined. China: 2♂, 1♀ (SCAU, Nos 110910, 11), Laobiangou, Benxi, Liaoning, 41°04'39''N, 124°30'03''E, altitude 575m, 21.vii.2018, tree trunk, L Gong, NN Wang .

Distribution. China * (Liaoning), Japan (Hokkaido).