Orthetrum triangulare subsp. triangulare
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A. R. Lahiri, 1979, Odonata (Insecta) from Different States of North Eastern India, Oriental Insects 13, pp. 119-132
: 127
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127 |
Orthetrum triangulare subsp. melania
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Syoziro Asahina, 1961, The Type Specimens of the Odonata in the Entomological Institute, Hokkaido University, Insecta matsumurana 24, pp. 57-65
: 64
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64 |
Orthetrum triangulare
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Lieftinck, M. A., 1935, A Synopsis of the Odonata (Dragonflies) of Sumatra, Miscellanea Zoologica Sumatrana 1, pp. 1-23
: 15
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15 |