Porrhomma Explained

Porrhomma is a genus of sheet weavers that was first described by Eugène Louis Simon in 1884.^[1]

Species

it contains twenty-five species, found in Europe and Asia:^[2]

• Porrhomma altaica Růžička, 2018 – Altai (Russia, Kazakhstan)
• Porrhomma boreale (Banks, 1899) – Russia (Urals to Far East), Mongolia, USA (Alaska)
• Porrhomma borgesi Wunderlich, 2008 – Azores
• Porrhomma cambridgei Merrett, 1994 – England to Italy and Czechia
• Porrhomma campbelli F. O. Pickard-Cambridge, 1894 – Europe to Russia (Middle Siberia)
• Porrhomma cavernicola (Keyserling, 1886) – USA
• Porrhomma convexum (Westring, 1851) (type) – USA, Canada, Greenland, Europe, Caucasus, Russia (Europe, West Siberia), Kazakhstan
• Porrhomma egeria Simon, 1884 – Europe
• Porrhomma errans (Blackwall, 1841) – Western to Central Europe, Italy
• Porrhomma frasassianum Weiss & Sarbu, 2021 – Italy
• Porrhomma longjiangense Zhu & Wang, 1983 – Russia (South Siberia to Far East), China
• Porrhomma magnum Tanasevitch, 2012 – Russia (South Siberia), Kazakhstan
• Porrhomma microcavense Wunderlich, 1990 – Belgium, Netherlands, Germany, Czechia, Slovakia, Russia (Europe)
• Porrhomma microphthalmum (O. Pickard-Cambridge, 1871) – Europe, Russia (Europe, Caucasus), Turkey, Iran, Kazakhstan, China
• Porrhomma microps (Roewer, 1931) – Europe
• Porrhomma montanum Jackson, 1913 – Europe, Russia (Europe to Far East), Korea, Japan
• Porrhomma nekolai Růžička, 2018 – Russia (Far East), Canada, USA
• Porrhomma oblitum (O. Pickard-Cambridge, 1871) – Europe
• Porrhomma ohkawai Saito, 1977 – Japan
• Porrhomma pallidum Jackson, 1913 – Europe, Russia (Europe to Far East), Iran, Kazakhstan
• Porrhomma profundum M. Dahl, 1939 – Germany, Czechia, Slovakia, Hungary, Romania, Serbia, Bulgaria
• Porrhomma pygmaeum (Blackwall, 1834) – Europe, Turkey, Caucasus, Russia (Europe to Far East), Central Asia, Pakistan, Japan
• Porrhomma rakanum Yaginuma & Saito, 1981 – Japan
• Porrhomma rosenhaueri (L. Koch, 1872) – Western, Southern and Central Europe, Russia (Altai)
• Porrhomma terrestre (Emerton, 1882) – Canada, USA

See also

• List of Linyphiidae species (I–P)

Notes and References

1. Book: Simon, E.. 1884. Les arachnides de France. Tome cinquième, deuxième et troisième partie. Roret, Paris. 180–885. Eugène_Simon.
2. Gen. Porrhomma Simon, 1884. World Spider Catalog Version 22.0. 2021-05-30. 2021. Natural History Museum Bern. 10.24436/2.