Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Micrathyria aequalis - Spot-tailed Dasher

Spot-Tailed Dasher - Micrathyria aequalis - male Spot-Tailed Dasher - Micrathyria aequalis - female Spot-tailed Dasher? - Micrathyria aequalis Small blue dragonfly - Spot-tailed Dasher - Micrathyria aequalis ? - Micrathyria aequalis Skimmer with white spot on tail......?? - Micrathyria aequalis - male Spot-tailed Dasher - Micrathyria aequalis - female Spot-tailed Dasher - Micrathyria aequalis - female Spot-tailed Dasher - Micrathyria aequalis - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Odonata (Dragonflies and Damselflies)
Suborder Anisoptera (Dragonflies)
Family Libellulidae (Skimmers)
Genus Micrathyria (Dashers)
Species aequalis (Spot-tailed Dasher)
26-34 mm
All blue darkening on the last 4 or 5 segments, spot on the sides of segment 7
See Dunkle (1)
South Florida - Miami area
South Texas - Lower Rio Grande Valley
Also West Indies and Mexico south through Ecuador
Still or slow-moving water with emergent vegetation: permanent and temporary ponds, sloughs, lakes
all year in Florida, typically May-October in south Texas (2)
Print References
Dunkle, Dragonflies of Florida, p. 183, figs. 126, 127 (1)
Abbott, pp. 282-283, photo 59a (2)
Dunkle, Dragonflies Through Binoculars, pp. 247-248, plate 47 (3)
Works Cited
1.Dragonflies of the Florida Peninsula, Bermuda, and the Bahamas
Sidney W. Dunkle. 1989. Scientific Publishers.
2.Dragonflies and Damselflies of Texas and the South-Central United States
John C. Abbott. 2005. Princeton University Press.
3.Dragonflies Through Binoculars: A Field Guide to Dragonflies of North America
Sidney W. Dunkle. 2000. Oxford Press.