蜻蜓学研究
ODONATA RESEARCH
| suborder | Zygoptera Selys, 1853 | |
| superfamily | Unresolved group | |
| family | Calopterygidae Selys, 1850 | |
| genus | Echo Selys, 1853 | |
| species | Echo candens Zhang, Hamalainen and Cai, 2015 | |
| synonyms | Empty |
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| distribution | China (Yunnan) |
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