15. Potamarcha congener (Rambur)

Libellula obscura Rambur, 1842, Hist, Nat. Ins. Nevropteres: 64 (nom. preocc.).

Libellula congener Rambur, 1842, Hist. N at. Ins. Nevropteres: 70.

Potamarcha obscura (Rambur): Karsch, 1890, Berlin Ent. Z e it., 33: 371; Fraser, 1935, Fauna British India, Odonata, 3: 289.

Potamarcha congener (Rambur): Selys, 1891, Anal. Soc. Esp. Hist. Nat., 20: 221; Lieftinck, 1971, Ent. Scand. Suppl, 1: 202.

Specimen examined: India: Manipur: Imphal roadside, 4 km off Morch, 1200 m, 1 ♂, 19.i.1976, A. R. Lahiri .

Distribution: India; Ceylon; Nepal; Malaysia and parts of Indonesia.