Enallagma weewa, the blackwater bluet, is a species of narrow-winged damselfly in the family Coenagrionidae. It is found in North America.
The IUCN conservation status of Enallagma weewa is "LC", least concern, with no immediate threat to the species' survival. The population is stable.Ball-Damerow JE, Oboyski PT, Resh VH (2015). "California dragonfly and damselfly (Odonata) database: temporal and spatial distribution of species records collected over the past century". ZooKeys 482: 67-89.
References
Garrison, Rosser W. / Poole, Robert W., and Patricia Gentili, eds. (1997). "Odonata". Nomina Insecta Nearctica: A Check List of the Insects of North America, vol. 4: Non-Holometabolous Orders, 551-580. Paulson, Dennis R., and Sidney W. Dunkle (1999). "A Checklist of North American Odonata including English name, etymology, type locality, and distribution". Slater Museum of Natural History, University of Puget Sound, Occasional Paper no. 56, 88.
Further reading
Arnett, Ross H. (2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press.