17. Orthetrum pruinosum neglectum (Rambur) .

Libellula neglecta Rambur, 1842, Hist. Nat. Ins. Nevropteres: 86.

Libellula prulnosa Brauer, 1868, Verh. Zool. Bot. Ges. Wien., 15: 1013.

Orthetrum pruinosum (Brauer): Kirby, 1886, Proc. Zool. Soc. London, 1886: 327.

Orthetrum pruinosum neglectum (Rambur): Ris, 1909, Collections zool. du Baron E. de Selys-Longchamps, 9: 181; Fraser, 1936, Fauna British India, Odonata, 3: 311.

Specimens examined: India: Assam: Dibru Reserve Forest, 1 ♂, 21.xi.1974, S. K. Chanda. Garampani, 1 ♂, 26.xi.1972, S. K. Chanda. Aruna ­ chal Pradesh: Bank of Ranga river, Hawa camp . 1 ♂, 11. xi.1975, K. R. Rao. Manipur: Kongpokpi, 3990 m, 1 ♂, 13.i.1976, A. R. Lahiri, Keithenmanbi . 1050 m, 1 ♂, 14.i.1976, A. R. Lahiri ; Imphal roadside, 4 km off Moreh, 1200 m, 1 ♂, 1♀ 19.i.1976, A. R. Lahiri. Mizoram: Bank of Bangla stream, Kolosib, 500 m, 7 ♂, 30.xi.1976, K. R. Rao ; 7 ♂, same except Lalchuana damside, 1. xi.1976 ; Aizawl, 1 ♂, 3.xi.1976, K. R. Rao ; Bank of Darnam stream, Serchip, 1 ♂, 5.xi.1976, K. R. Rao ; 1 ♂, same except bank of Mat stream, 6.xi.1976. Chhiahttang, 925 m, 1 ♀, 8.xi.1976, K. R. Rao. Lungsen, 1 ♂, 11.xi.1976, K. R. Rao ; Bank of Tlawng river, Zobawk, 1 ♂, 12.xi.1976, K. R. Rao .

Distribution: India; Ceylon; Nepal to China and Taiwan in the east.