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Progomphus Basistictus
''Progomphus'' is a genus of medium-sized dragonflies in the family Gomphidae. They are found in the Americas and are largely tropical. They are one of the few Gomphids with coloured wings. They are commonly called sanddragons. They are usually found on freshwater sandy beaches and pools. The genus contains the following species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...: Animal Diversity References * Dunkle, S.W., Dragonflies through Binoculars. Toronto:Oxford University Press, 2000.[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Progomphus Borealis
''Progomphus borealis'' is a species of dragonfly in the family Gomphidae. This dragonfly species is commonly known as the gray sanddragon. Identification Adult The gray sanddragon is a medium to large dragonfly with a maximum length of 2.25 to 2.44 inches (57 to 62 mm). Its face and thorax are grayish to yellowish brown, and its thorax may be marked with black. The abdomen of this dragonfly is black and marked with yellow on the top of every segment. Under the tip of the abdomen is marked with yellow as well, and the abdominal tip is swollen as in other members of this family. Nymph The nymph of the gray sanddragon is large in size with a length of 1 inch (25 mm). This dragonfly nymph is sandy brown in color and has short legs covered with stiff bristles. Its abdomen turns up at the tip, and there is a single, rear-facing spine on every side of abdominal segments three through nine. Distribution Gray sanddragons can be found in Arizona, Californi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |