The cobra clubtail, Gomphus vastus, is in the family of dragonflies called clubtails, named for the enlarged abdomen tip. There are about 100 species in this dragonfly family in North America north of Mexico, and more than 900 in the world.
The common green darner, Anax junius, is abundant and well-known for its bright green, blue, and purple colors. A large dragonfly up to 3 inches long, it is a migratory species that travels south in autumn.
Like their close relatives the damselflies, dragonflies have long bodies, two pairs of long, membranous, finely veined wings, and predaceous aquatic larvae. Dragonflies typically hold their wings stretched outward, horizontally.
The eastern amberwing, Perithemis tenera, is a tiny species of dragonfly that only reaches about 1 inch in length. Each of the four amber-colored wings has a red spot on the outer leading edge. Females have blotch-patterned wings.
The eastern amberwing, Perithemis tenera, is a tiny species of dragonfly that only reaches about 1 inch in length. Each of the four amber-colored wings has a red spot on the outer leading edge. Males have clear amber wings.
The eastern pondhawk, Erythemis simplicicollis, is in the large family of dragonflies called skimmers. Females and young males are green with black abdomen spots. The ovipositor (egg-laying organ) on this female is visible below the tip of her abdomen.
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