''Progomphus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of medium-sized

dragonflies A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of true dragonfly are known. Most are tropical, with fewer species in temperate regions. Loss of wetland habitat threaten ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Gomphidae The Gomphidae are a family of dragonflies commonly referred to as clubtails or club-tailed dragonflies. The family contains about 90 genera and 900 species found across North and South America, Europe, Asia, and Australia. The name refers to the ...

. They are found in the Americas and are largely

tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ...

. 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 Taxonomy (biology), 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 ...

:''Progomphus''
Animal Diversity

References

* Dunkle, S.W., Dragonflies through Binoculars. Toronto:Oxford University Press, 2000.
''Progomphus''
The Odonata - Dragonflies and Damselflies
''Progomphus''
BugGuide Gomphidae Anisoptera genera Taxa named by Edmond de Sélys Longchamps Taxonomy articles created by Polbot {{Gomphidae-stub