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There are six species in North America, mostly southern in distribution. Two
are medium sized, and four very small in size. Their body coloration
is mostly black, brown or blue. The abdomen is usually
slender and cylindrical, with segments 1-3 of the male
enlarged, 4-5 more slender. Juveniles generally have a
yellowish brown body color. Mature males are often covered
with bluish pruinescence. Wing coloration is varied among the species
and in different individuals of the same species.
Females are difficult to identify, due to immature males
looking similar in appearance to them.
They are commonly seen at standing waters like temporary
ponds, pools and marshes. One is our only dragonfly to
regularly breed in brackish waters.
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