The stream bluet (Enallagma exsulans) is a species of American bluet damselflies in the family Coenagrionidae. Its length is 29–37 mm. Many bluet species prefer ponds and lakes; the stream bluet as its name implies is most at home along moving waters. It can be found along small to medium-sized rivers. It is occasionally found at lakes too. In many species of damselflies the males have a blue tip to the abdomen. Enallagma exsulans is one of those less common cases where the female, too, has a blue abdominal tip. Summertime is the best time to look for stream bluets.
| Stream bluet | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Odonata |
| Suborder: | Zygoptera |
| Family: | Coenagrionidae |
| Genus: | Enallagma |
| Species: | E. exsulans
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| Binomial name | |
| Enallagma exsulans (Hagen, 1861)
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Distribution
edit- United States: (Alabama • Arkansas • Colorado • Connecticut • Delaware • Florida • Georgia • Iowa • Illinois • Indiana • Kansas • Kentucky • Louisiana • Massachusetts • Maryland • Maine • Michigan • Minnesota • Mississippi • Nebraska • North Carolina • New Hampshire • New Jersey • Ohio • Pennsylvania • Rhode Island • South Carolina • Tennessee • Texas • Vermont • Wisconsin • West Virginia)
- Canada: (Manitoba • New Brunswick • Ontario • Quebec)
Similar species
editStream bluets look similar to turquoise bluets.
References
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Wikimedia Commons has media related to Enallagma exsulans.
- ^ Paulson, D. R. (2017). "Enallagma exsulans". IUCN Red List of Threatened Species. 2017: e.T165092A65833181. doi:10.2305/IUCN.UK.2017-3.RLTS.T165092A65833181.en. Retrieved 13 January 2022.
- Enallagma exsulans, Stream Bluet, Family Coenagrionidae
- Enallagma exsulans (Stream Bluet)
- NHL Stream Bluet
- Lam, E. (2004). Damselflies of the Northeast. Forest Hills, NY:Biodiversity Books. p. 64.
- DuBois, Bob (2005). Damselflies of the North Woods. Duluth, MN: Kollath-Stensaas Publ. p. 88-89.