The Perlidae are a family of stoneflies, with more than 50 genera and 1,100 described species. [1] The majority of the Perlidae are found in eastern North America, but they occur worldwide …

Nov 8, 2011 · "A close-up view of the tip of the abdomen is often the best way to determine genus (and perhaps species). A dorsal view of the terminalia is probably best for males, and a ventral …

The Perlidae family are large, robust stoneflies. Yellow to brown coloration. 3/8-1 5/8” length. Conspicuous ventral branched gills present on the thorax. Wide range of lotic habitats. Also …

This is the world's most species-rich stonefly family including 84 North America species and almost 1,000 worldwide. The generally black-and-yellow-striped are often found clinging to …

In some areas, recently invading genera of Arctoperlaria, such as Anacroneuria (Perlidae) in South America and Neoperla (Perlidae) in Africa, have outcompeted them. The suborder …

Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

The Perlidae are a family of stoneflies, with a total of 84 species in 15 genera. The majority of the Perlidae are found in eastern North America, but they occur worldwide except for Antarctica …

Information on the biology of Perlidae can be found on page 85. Perlidae can be mistaken for Heptageniidae Mayflies. Heptageniid Mayflies have gills projecting laterally from their …

The Perlodidae, also known as the perlodid stoneflies, stripetails, or springflies, are a family of stoneflies. The family Perlodidae is composed of at least 50 genera and over 350 species, with …

Perlidae, commonly referred to as common stoneflies, are a family of insects within the order Plecoptera. These aquatic insects are found in freshwater habitats and play a crucial role in …