Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Previous events


Species Argia sedula - Blue-ringed Dancer

Blue-ringed Dancer - Argia sedula - male Blue-ringed Dancer - Argia sedula - male Brown Damselfly - Argia sedula - female Argia sedula? - Argia sedula - female Young Blue-ringed Dancer? - Argia sedula - male Coenagrionidae - Argia sedula - female Argia sedula - male Is this a blue-ringed dancer? - Argia sedula - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Odonata (Dragonflies and Damselflies)
Suborder Zygoptera (Damselflies)
Family Coenagrionidae (Narrow-winged Damselflies)
Genus Argia (Dancers)
Species sedula (Blue-ringed Dancer)
Synonyms and other taxonomic changes
Argia sedula (Hagen, 1861)
Explanation of Names
Species name is from Latin sedulus, meaning zealously (Internet searches).
Length 31-36 mm
Male has black abdomen with blue rings. Resembles a bluet, but abdominal segment 2 mostly black, has wide black, forked, shoulder stripe. Thorax of male darkens during tandem oviposition. Some southern populations have slight tinting in wings. Female is brown, rather weakly marked.
southern two-thirds of US, with a small "hump" in the northeast that reaches into southern Ontario and Michigan
more common southward in east
Rivers, streams, lakes, ditches with aquatic vegetation. Perch often on vegetation in shade, unlike most other dancers (1).
March-November (Texas); June-October (Virginia); June-September (Ontario)
Predatory on small insects
Life Cycle
Oviposit in tandem into aquatic vegetation.
Print References
Abbott, pp. 83-85, photo 10d (1)
Dunkle, Damselflies of Florida, p. 89, figs. 66-67 (2)
Lam, p. 49 (3)
Nikula, p. 67 (4)
Internet References
Works Cited
1.Dragonflies and Damselflies of Texas and the South-Central United States
John C. Abbott. 2005. Princeton University Press.
2.Damselflies of Florida, Bermuda, and the Bahamas
Sidney W. Dunkle. 1991. Scientific Publishers.
3.Damselflies of the Northeast
Ed Lam. 2004. Biodiversity Books.
4.Stokes Beginner's Guide to Dragonflies
Donald and Lillian Stokes. 2002. Little, Brown and Company.