Porrhomma

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

Species

it contains twenty-five species, found in Europe and Asia:

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

References