Perlidae


The Perlidae are a family of stoneflies, with more than 50 genera and 1,100 described species. The majority of the Perlidae are found in eastern North America, but they occur worldwide except for Antarctica and parts of Africa. Their lifecycles range between one and three years. The adults emerge in the summer; they are very active and known to be attracted to light sources. They are usually very sensitive to changes in environment.
Perlidae are usually lotic and lentic erosional. They are found in cool, clear medium-sized to large streams and sometimes in larger, warm rivers that carry silt. They are crawlers and can move quickly. In still water, no water moves over their gills, so they move their bodies up and down to keep oxygen flowing over them.
They are engulfer-predators. They consume all types of invertebrates. Very young larvae are collector-gatherers.

Genera

These 56 genera belong to the family Perlidae:Acroneuria Pictet, 1841Agnetina Klapálek, 1907Anacroneuria Klapálek, 1909Attaneuria Ricker, 1954Beloneuria Needham & Claassen, 1925Brahmana Klapálek, 1914Calineuria Ricker, 1954Caroperla Kohno, 1946Chinoperla Zwick, 1980Claassenia Wu, 1934Dinocras Klapálek, 1907Doroneuria Needham & Claassen, 1925Eccoptura Klapálek, 1921Enderleina Jewett, 1960Eoperla Illies, 1956Etrocorema Klapálek, 1909Flavoperla Chu, 1929Furcaperla Sivec, 1988Gibosia Okamoto, 1912Hansonoperla Nelson, 1979Helenoperla Sivec, 1997Hemacroneuria Enderlein, 1909Hesperoperla Banks, 1938Inconeuria Klapálek, 1916Kamimuria Klapálek, 1907Kempnyella Illies, 1964Kempnyia Klapálek, 1914Kiotina Klapálek, 1907Klapalekia Claassen, 1936Macrogynoplax Enderlein, 1909Marthamea Klapálek, 1907Mesoperla Klapálek, 1913Miniperla Kawai, 1967Neoperla Needham, 1905Neoperlops Banks, 1939Nigroperla Illies, 1964Niponiella Klapálek, 1907Nishineuria Uchida, 1990Onychoplax Klapálek, 1914Oyamia Klapálek, 1907Paragnetina Klapálek, 1907Perla Geoffroy, 1762Perlesta Banks, 1906Perlinella Banks, 1900Phanoperla Banks, 1938Pictetoperla Illies, 1964Sinacroneuria Yang & Yang, 1995Tetropina Klapálek, 1909Togoperla Klapálek, 1907Tyloperla Sivec & Stark, 1988Xanthoneuria Uchida, Stark & Sivec, 2011