Nebraska Dragonflies and Damselflies | A> | 
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River Bluet | ||||||
Enallagma anna | ||||||
Williamson, 1900 | 
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The River Bluet is blue marked with black, as are many of our Bluet species.  Its thorax is blue with a narrow, tapering black shoulder stripe.    The amount of black on the abdomen increases incrementally from segments 2 through 7. The abdomen tip is blue.  The females may be pale blue or pale tan.    | ||
![]() River Bluet  | ||
Size: 29-36 mm (1.1-1.4 in) Habitat: slow streams and rivers Great Plains Range: NE, SD, NM, CO, WY, MT, IA Flight season: late May to late August  | ||
![]() Green indicates accepted county record (specimen or photograph).  | 
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