Thoracostrongylus formosanus formosanus Shibata, 1982

Fig. 112 台湾钝胸隐翅虫指名亚种

Thoracostrongylus formosanus Shibata, 1982: 71; Yang et al. 2011: 424; Hu, 2020: 348.

Material examined.

China - Taiwan Prov. • 10 exs.; Hualien, Guanyuan; 24°11'12"N, 121°20'00"E; alt. 2200-2300 m; 27 June 2006; Y.-F. Hsu leg.; NMW • 16 exs.; Hualien, Pilu; alt. 2100 m; 24°10'58"N, 121°23'16"E; 06 May 2006; Y.-F. Hsu leg.; NMW .

Measurements.

BL: 8.5-10.5 mm, FL: 5.0-5.8 mm. HL: 1.25-1.60 mm, HW: 1.8-2.2 mm, CL: 0.85-0.85 mm, PO: 0.3-0.4 mm, PL: 1.75-2.00 mm, PW: 1.5-1.7 mm, EL: 2.1-2.5 mm, EW: 2.20-2.65 mm. HL/HW: 0.69-0.73, CL/PO: 2.38-2.86, PL/PW: 1.16-1.17, EL/EW: 0.94-0.95, HW/EW: 0.81-0.83.

Diagnosis.

The subspecies is most similar to T. velutinus from Yunnan and Myanmar, but can be easily distinguished by the usually black mid and hind tibiae and tarsi. Both differ from other species from east and southeast China in the abdominal tergites III-VI without triangular mediobasal golden tomentose patch.

Distribution.

China (Taiwan).