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Species Enallagma weewa - Blackwater Bluet

Blackwater Bluet - Enallagma weewa - male Blackwater Bluet - Enallagma weewa - male Florida Damselfly - Enallagma weewa - male Blackwater Bluet - Enallagma weewa - male Blackwater Bluet - Enallagma weewa - male Blackwater Bluet - Enallagma weewa - male - female Enallagma weewa - female
Classification
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 Enallagma (American Bluets)
Species weewa (Blackwater Bluet)
Explanation of Names
Author is Byers, 1927. Species name weewa (or wewa) is, perhaps, a place name. Compare Wewahitchka, Florida.
Size
length 30-30 mm
Identification
Long, thin, and dark. Adult male is distinctive, with body mostly black and just abdominal segment nine blue. Female has distinctive pattern of black, blue, and brown stripes on thorax. Teneral male is similar to female (1) (2).
Range
Coastal Plain: Rhode Island, Long Island, New Jersey, south to Florida, west to Louisiana.
Habitat
Tannin-stained (blackwater) streams, sometimes lakes.
Season
June-September (New Jersey). February-November (Florida).
Remarks
Author of species is apparently Charles Francis Byers, whose notable works included Contribution to the Knowledge of Florida Odonata (1930). Obituary: Westfall, M.J., 1982, Charles Francis Byers, Odonatologica, 11(3):245-249 (referenced here).
See Also
Argia tibialis - Blue-tipped Dancer--male has similar pattern, but note abdominal segments 9 and 10 blue (just 9 in Blackwater Bluet)
Print References
Lam, p. 57 (1)
Dunkle, p. 118, fig. 88 (2)
Works Cited
1.Damselflies of the Northeast
Ed Lam. 2004. Biodiversity Books.
2.Damselflies of Florida, Bermuda, and the Bahamas
Sidney W. Dunkle. 1991. Scientific Publishers.