Robertus (spider)

{{Short description|Genus of spiders}} {{Automatic taxobox | image = Robertus banksi.jpg | image_caption = ''R. banksi'' | image2 = Robertus fuscus.jpg | image2_caption = ''R. fuscus'' | taxon = Robertus | authority = [[Octavius Pickard-Cambridge|O. Pickard-Cambridge]], 1879<ref name=NMBE /> | type_species = ''[[Robertus neglectus|R. neglectus]]'' | type_species_authority = (O. Pickard-Cambridge, 1871) | subdivision_ranks = Species | subdivision = 47, [[#Species|see text]] | synonyms = *''Ctenium'' [[Anton Menge|Menge]], 1871<ref name=Levi1962>{{cite journal| last1=Levi| first1=H. W.| last2=Levi| first2=L. R.| year=1962| title=The genera of the spider family Theridiidae| journal=Bulletin of the Museum of Comparative Zoology| volume=127| page=19}}</ref> *''Garritus'' [[Ralph Vary Chamberlin|Chamberlin]] & [[Wilton Ivie|Ivie]], 1933<ref name=Kast1946 /> | synonyms_ref = <ref name=NMBE /> }} '''''Robertus''''' is a [[genus]] of [[Theridiidae|comb-footed spiders]] that was first described by [[Octavius Pickard-Cambridge]] in 1879.<ref name=Pick1879>{{cite journal| last=Pickard-Cambridge| first=O.| year=1879| title=The spiders of Dorset. Araneidea| journal=Proceedings of the Dorset Natural History and Antiquarian Field Club| pages=1–235| volume=1| author-link=Octavius_Pickard-Cambridge}}</ref> It is considered a senior synonym of ''Garritus''.<ref name=Kast1946>{{cite journal| last=Kaston| first=B. J.| year=1946| title=North American spiders of the genus ''Ctenium''| journal=American Museum Novitates| issue=1306| page=1}}</ref>

==Species== {{as of|2019|09}} it contains forty-seven species, found in Europe, Asia, North America, the [[Central_Africa|Congo]], and on [[Greenland]]:<ref name=NMBE>{{cite journal| title=Gen. Robertus O. Pickard-Cambridge, 1879| website=World Spider Catalog Version 20.0| accessdate=2019-10-27| year=2019| publisher=Natural History Museum Bern| url=http://www.wsc.nmbe.ch/genus/3531| doi=10.24436/2}}</ref> *''[[Robertus alpinus]]'' Dresco, 1959 – [[Italy]] *''[[Robertus arcticus]]'' ([[Ralph Vary Chamberlin|Chamberlin]] & [[Wilton Ivie|Ivie]], 1947) – USA ([[Alaska]]) *''[[Robertus arundineti]]'' (O. Pickard-Cambridge, 1871) – [[Europe]], [[Turkey]], [[Caucasus]], [[Russia]] ([[Europe]] to South Siberia), Kazakhstan, Central Asia, [[China]] *''[[Robertus banksi]]'' ([[B. J. Kaston|Kaston]], 1946) – USA, [[Canada]] *''[[Robertus borealis]]'' (Kaston, 1946) – USA, Canada *''[[Robertus brachati]]'' Wunderlich, 2011 – Turkey *''[[Robertus calidus]]'' Knoflach, 1995 – [[Central_Africa|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]]'' ([[Nathan Banks|Banks]], 1892) – USA, Canada *''[[Robertus fuscus]]'' ([[James Henry Emerton|Emerton]], 1894) – USA, Canada, [[Greenland]] *''[[Robertus golovatchi]]'' Eskov, 1987 – [[Georgia (country)|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]]'' ([[Eugen von Keyserling|Keyserling]], 1884) – USA *''[[Robertus lividus]]'' ([[John Blackwall|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]]'' ([[Eugène Simon|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_species|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]]'' ([[Ludwig Carl Christian Koch|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)

==References== {{Reflist}}

[[Category:Theridiidae genera]] [[Category:Spiders of Asia]] [[Category:Spiders of North America]] [[Category:Taxa named by Octavius Pickard-Cambridge]] [[Category:Theridiidae]]