蜻蜓学研究
ODONATA RESEARCH
| suborder | Zygoptera Selys, 1853 |
| superfamily | Unresolved group |
| family | Calopterygidae Selys, 1850 |
| genus | Echo Selys, 1853 |
| synonyms | Empty |
| REMARKS | Empty |
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Chinese taxa within this genus are
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