Robertus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Chelicerata
Classis: Arachnida
Ordo: Araneae
Subordo: Opisthothelae
Infraordo: Araneomorphae
Taxon: Neocribellatae
Series: Entelegynae
Superfamilia: Araneoidea

Familia: Theridiidae
Subfamilia: Pholcommatinae
Genus: Robertus
Species: R. alpinus – R. arcticus – R. arundineti – R. banksi – R. borealis – R. calidus – R. cantabricus – R. cardesensis – R. crosbyi – R. emeishanensis – R. eremophilus – R. floridensis – R. frivaldszkyi – R. frontatus – R. fuscus – R. golovatchi – R. heydemanni – R. insignis – R. kastoni – R. kuehnae – R. laticeps – R. lividus – R. longipalpus – R. lyrifer – R. mazaurici – R. mediterraneus – R. monticola – R. naejangensis – R. neglectus – R. nipponicus – R. nojimai – R. ogatai – R. peregrinus – R. potanini – R. pumilus – R. riparius – R. saitoi – R. scoticus – R. sibiricus – R. similis – R. spinifer – R. subtilis – R. truncorum – R. ungulatus – R. ussuricus – R. vigerens
Name

Robertus O. P.-Cambridge, 1879

Type species: Robertus neglectus (O. P.-Cambridge, 1871)
Synonyms

Ctenium Menge, 1871
Garritus Chamberlin & Ivie, 1933

References
Primary references
Additional references

Knoflach, B. 1995. Two remarkable afromontane Theridiidae: Proboscidula milleri n. sp. and Robertus calidus n. sp. (Arachnida, Araneae) Revue Suisse de Zoologie 102: 979-988. Reference page.
Seo, B.K. 2015b. A new and two newly recorded species of Theridiidae and Dictynidae (Araneae) from Korea. Korean Journal of Environmental Biology 33(2): 105-111. DOI: 10.11626/KJEB.2015.33.2.105. Open access. Reference page.
Platnick, N. I. 2008. The World Spider Catalog, version 9.0. American Museum of Natural History. [1]

Robertus is a genus of comb-footed spiders that was first described by Octavius Pickard-Cambridge in 1879.[4] It is considered a senior synonym of Garritus.[3]
Species

As of September 2019 it contains forty-seven species, found in Europe, Asia, North America, the Congo, and on Greenland:[1]

Robertus alpinus Dresco, 1959 – Italy
Robertus arcticus (Chamberlin & Ivie, 1947) – USA (Alaska)
Robertus arundineti (O. Pickard-Cambridge, 1871) – Europe, Turkey, Caucasus, Russia (Europe to South Siberia), Kazakhstan, Central Asia, China
Robertus banksi (Kaston, 1946) – USA, Canada
Robertus borealis (Kaston, 1946) – USA, Canada
Robertus brachati Wunderlich, 2011 – Turkey
Robertus calidus Knoflach, 1995 – Congo
Robertus cantabricus Fage, 1931 – Spain
Robertus cardesensis Dresco, 1959 – Spain
Robertus crosbyi (Kaston, 1946) – USA, Canada
Robertus emeishanensis Zhu, 1998 – China
Robertus eremophilus Chamberlin, 1928 – USA
Robertus floridensis (Kaston, 1946) – USA
Robertus frivaldszkyi (Chyzer, 1894) – Central and south-eastern Europe
Robertus frontatus (Banks, 1892) – USA, Canada
Robertus fuscus (Emerton, 1894) – USA, Canada, Greenland
Robertus golovatchi Eskov, 1987 – Georgia
Robertus heydemanni Wiehle, 1965 – Sweden, Germany, Austria, Italy, Romania, Ukraine, Russia (Europe to West Siberia), Kazakhstan
Robertus insignis O. Pickard-Cambridge, 1908 – Europe
Robertus kastoni Eskov, 1987 – Russia (Middle Siberia to Russian Far East), Japan
Robertus kuehnae Bauchhenss & Uhlenhaut, 1993 – Belgium, Switzerland, Germany, Austria
Robertus laticeps (Keyserling, 1884) – USA
Robertus lividus (Blackwall, 1836) – USA (Alaska), Europe, Caucasus, Russia (Europe to Far East), Iran
Robertus longipalpus (Kaston, 1946) – USA, Canada
Robertus lyrifer Holm, 1939 – Iceland, Scandinavia, Austria, Russia (Europe to Far East), Canada
Robertus mazaurici (Simon, 1901) – France
Robertus mediterraneus Eskov, 1987 – Mediterranean, Switzerland, Austria, Eastern Europe, Caucasus
Robertus monticola Simon, 1914 – France
Robertus naejangensis Seo, 2005 – Korea
Robertus neglectus (O. Pickard-Cambridge, 1871) (type) – Europe, Russia (Europe to South Siberia), Kazakhstan
Robertus nipponicus Yoshida, 1995 – Japan
Robertus nojimai Yoshida, 2002 – Japan
Robertus ogatai Yoshida, 1995 – Japan
Robertus peregrinus Yang, Irfan & Peng, 2019 – China
Robertus potanini Schenkel, 1963 – China
Robertus pumilus (Emerton, 1909) – USA
Robertus riparius (Keyserling, 1886) – USA, Canada
Robertus saitoi Yoshida, 1995 – Japan
Robertus scoticus Jackson, 1914 – Europe, Caucasus, Russia (Europe to Middle Siberia)
Robertus sibiricus Eskov, 1987 – Russia (Middle Siberia to Far East), Japan
Robertus similis (Kaston, 1946) – USA
Robertus spinifer (Emerton, 1909) – USA
Robertus subtilis Seo, 2015 – Korea
Robertus truncorum (L. Koch, 1872) – France to Ukraine
Robertus ungulatus Vogelsanger, 1944 – Europe, Russia (South Siberia to Far East), China
Robertus ussuricus Eskov, 1987 – Russia (Far East)
Robertus vigerens (Chamberlin & Ivie, 1933) – USA, Canada

In synonymy:

R. asper (O. Pickard-Cambridge, 1871) = Robertus neglectus (O. Pickard-Cambridge, 1871)
R. exortus (Drensky, 1929, T from Agroeca) = Robertus frivaldszkyi (Chyzer, 1894)
R. fuscus (Emerton, 1911) = Robertus fuscus (Emerton, 1894)
R. grasshoffi Wunderlich, 1973 = Robertus neglectus (O. Pickard-Cambridge, 1871)
R. palustris (Banks, 1892) = Robertus laticeps (Keyserling, 1884)
R. paradoxus Miller, 1967 = Robertus ungulatus Vogelsanger, 1944
R. terrestris (Emerton, 1913) = Robertus frontatus (Banks, 1892)
R. umbilicatus Denis, 1961 = Robertus mazaurici (Simon, 1901)