Pholcidae C. L. Koch, 1850

Family |   ACCEPTED

N.B.: for comments on the monophyly and relationships of many genera see Huber, 1998d and Huber, 2000; the division of Pholcidae into five subfamilies, Ninetinae Simon, 1890, Arteminae Simon, 1893, Modisiminae Simon, 1893, Smeringopinae Simon, 1893 and Pholcinae, is confirmed by Huber, Eberle & Dimitrov, 2018; two additional subfamilies are described by Meng et al., 2026: 99, 113 (Caipirinae Meng, Carvalho, Podsiadlowski & Huber, 2026 and Physocyclinae Meng, Carvalho, Podsiadlowski & Huber, 2026).

In synonymy:

Brachypholcus van Hasselt, 1887 = Psilochorus Simon, 1893 (Bonnet, 1958: 3881, nomen oblitum)

Pseudopholcus van Hasselt, 1887 = Psilochorus Simon, 1893 (Bonnet, 1958: 3881, nomen oblitum)

Gen. Psilochorus Simon, 1893 urn:lsid:nmbe.ch:spidergen:00417
type Theridion pullulum Hentz, 1850; gender masculine
N.B.: the generic names Brachypholcus [urn:lsid:nmbe.ch:spidergen:06182] and Pseudopholcus [urn:lsid:nmbe.ch:spidergen:06183] were both introduced by van Hasselt, 1887c: 98 with the same type (Theridion pullulum Hentz, 1850) and considered nomina oblita and synonyms of Psilochorus by Bonnet, 1958: 3881.

Transferred to other genera:

Psilochorus browningi Roewer, 1951 -- see Mesabolivar

Psilochorus cambridgei Mello-Leitão, 1947 -- see Mesabolivar

Psilochorus ceruleiventris Mello-Leitão, 1916 -- see Mesabolivar

Psilochorus cyaneomaculatus (Keyserling, 1891) -- see Mesabolivar

Psilochorus dasyops Mello-Leitão, 1947 -- see Aymaria

Psilochorus fluminensis Mello-Leitão, 1918 -- see Mesabolivar

Psilochorus lemniscatus Simon, 1894 -- see Mecolaesthus

Psilochorus marcuzzii Caporiacco, 1955 -- see Pisaboa

Psilochorus multiguttatus Simon, 1905 -- see Holocneminus

Psilochorus nigridentis Mello-Leitão, 1922 -- see Mesabolivar

Psilochorus nigrifrons Simon, 1894 -- see Mecolaesthus

Psilochorus nigromaculatus Kulczyński, 1911 -- see Arnapa

Psilochorus sphaeroides (L. Koch, 1872) -- see Wugigarra

Psilochorus wunderlichi Deeleman-Reinhold, 1995 -- see Wugigarra

In synonymy:

Psilochorus cacahuamilpensis (Herrera, 1891, T from Pholcus) = Psilochorus cordatus (Bilimek, 1867) (Gertsch, 1971: 72)

Psilochorus coahuilanus Gertsch & Davis, 1937 = Psilochorus pallidulus Gertsch, 1935 (Slowik, 2009: 31)

Psilochorus gertschi Schenkel, 1950 = Psilochorus apicalis Banks, 1921 (Slowik, 2009: 8)

Psilochorus simplicior Chamberlin & Ivie, 1942 = Psilochorus simoni (Berland, 1911) (Slowik, 2009: 39)

Nomen dubium:

Psilochorus cornutus (Keyserling, 1887b: 475, pl. 6, f. 47, m, USA, originally in Pholcus; Emerton, 1902: 130, f. 309-311, f) -- Slowik, 2009: 5

Psilochorus acanthus Chamberlin & Ivie, 1942 | | USA urn:lsid:nmbe.ch:spidersp:003821
Psilochorus acanthus Chamberlin & Ivie, 1942a: 12, f. 18-21 (Dmf) Original description
Psilochorus acanthus Slowik, 2009: 7, f. 5-14 (mf)
Psilochorus agnosticus Chamberlin, 1924 | | Mexico urn:lsid:nmbe.ch:spidersp:003822
Psilochorus agnosticus Chamberlin, 1924b: 637, f. 73-74 (Dm) Original description
Psilochorus agnosticus Slowik, 2009: 15 (may be a S of Psilochorus californiae)
Psilochorus apicalis Banks, 1921 | | USA urn:lsid:nmbe.ch:spidersp:003823
Psilochorus apicalis Banks, 1921: 99, f. 1 (Dm) Original description
Psilochorus gertschi Schenkel, 1950b: 44, f. 10a-c (Df) [urn:lsid:nmbe.ch:spidersp:003838]
Psilochorus apicalis Slowik, 2009: 8, f. 15-27 (mf, S of Psilochorus gertschi)
Psilochorus bantus Chamberlin & Ivie, 1942 | | USA urn:lsid:nmbe.ch:spidersp:003824
Psilochorus bantus Chamberlin & Ivie, 1942a: 10, f. 10-13 (Dmf) Original description
Psilochorus bantus Slowik, 2009: 10, f. 28-36 (mf)
Psilochorus bromelicola Huber, 2019 | | Brazil urn:lsid:nmbe.ch:spidersp:050907
Psilochorus bromelicolus Huber in Huber & Carvalho, 2019: 64, f. 240-251 (Dmf; N.B.: explicitely stated to be adjectival, see FAQ 6) Original description
Psilochorus bruneocyaneus Mello-Leitão, 1941 | | Brazil urn:lsid:nmbe.ch:spidersp:003825
Psilochorus bruneocyaneus Mello-Leitão, 1941a: 117 (Df) Original description
Psilochorus bruneocyaneus Huber, 2000: 345 (may be misplaced)
Psilochorus californiae Chamberlin, 1919 | | USA, Mexico urn:lsid:nmbe.ch:spidersp:003826
Psilochorus californiae Chamberlin, 1919b: 8, pl. 3, f. 2-3 (Dm) Original description
Psilochorus californiae Slowik, 2009: 11, f. 37-46 (m, Df)
Psilochorus cambridgei Gertsch & Davis, 1937 | | Mexico urn:lsid:nmbe.ch:spidersp:003827
Psilochorus cambridgei Gertsch & Davis, 1937: 8, f. 6-8 (Dmf) Original description
Psilochorus coloradensis Slowik, 2009 | | USA urn:lsid:nmbe.ch:spidersp:042483
Psilochorus coloradensis Slowik, 2009: 16, f. 1, 47-55 (Dmf) Original description
Psilochorus concinnus Gertsch, 1973 | | Mexico urn:lsid:nmbe.ch:spidersp:003829
Psilochorus concinnus Gertsch, 1973a: 147, f. 5-7 (Dmf) Original description
Psilochorus concolor Slowik, 2009 | | USA urn:lsid:nmbe.ch:spidersp:042484
Psilochorus concolor Slowik, 2009: 16, f. 56-66 (Dmf) Original description
Psilochorus conjunctus Gertsch & Davis, 1942 | | Mexico urn:lsid:nmbe.ch:spidersp:003830
Psilochorus conjunctus Gertsch & Davis, 1942: 10, f. 15-17, 24-26 (Dmf) Original description
Psilochorus cordatus (Bilimek, 1867) | | Mexico urn:lsid:nmbe.ch:spidersp:003831
Pholcus cordatus Bilimek, 1867: 907 (D) Original description
Pholcus cacahuamilpensis Herrera, 1891: 220 (D) [urn:lsid:nmbe.ch:spidersp:061349]
Psilochorus cordatus Gertsch, 1971: 72 (Dmf, T from Pholcus, S of Pholcus cacahuamilpensis)
Psilochorus delicatus Gertsch, 1971 | | Mexico urn:lsid:nmbe.ch:spidersp:003833
Psilochorus delicatus Gertsch, 1971: 76, f. 90-91 (Df) Original description
Psilochorus diablo Gertsch, 1971 | | Mexico urn:lsid:nmbe.ch:spidersp:003834
Psilochorus diablo Gertsch, 1971: 73, f. 77-81 (Dmf) Original description
Psilochorus dogmaticus Chamberlin, 1924 | | Mexico urn:lsid:nmbe.ch:spidersp:003835
Psilochorus dogmaticus Chamberlin, 1924b: 633, f. 72 (Df) Original description
Psilochorus dogmaticus Slowik, 2009: 15 (may be a S of Psilochorus californiae)
Psilochorus durangoanus Gertsch & Davis, 1937 | | Mexico urn:lsid:nmbe.ch:spidersp:003836
Psilochorus durangoanus Gertsch & Davis, 1937: 9, f. 9, 15 (Dmf) Original description
Psilochorus fishi Gertsch, 1971 | | Mexico urn:lsid:nmbe.ch:spidersp:003837
Psilochorus fishi Gertsch, 1971: 73, f. 84-86 (Dmf) Original description
Psilochorus hesperus Gertsch & Ivie, 1936 | | Canada, USA urn:lsid:nmbe.ch:spidersp:003839
Psilochorus hesperus Gertsch & Ivie, 1936: 1, f. 1-5 (Dmf) Original description
Psilochorus hesperus Slowik, 2009: 19, f. 67-76 (mf)
Psilochorus hesperus Slowik, Schneider & Rickman, 2024: 156, f. 9-11 (f)
Psilochorus hooki Slowik, 2009 | | USA urn:lsid:nmbe.ch:spidersp:042485
Psilochorus hooki Slowik, 2009: 21, f. 77-81 (Dm) Original description
Psilochorus imitatus Gertsch & Mulaik, 1940 | | USA, Mexico urn:lsid:nmbe.ch:spidersp:003840
Psilochorus imitatus Gertsch & Mulaik, 1940: 321, f. 17 (Dmf) Original description
Psilochorus imitatus Slowik, 2009: 22, f. 2-4, 82-91 (mf)
Psilochorus imitatus Jiménez, Palacios-Cardiel & Chávez-Lara, 2020: 12, f. 32-35 (mf)
Psilochorus inyo Slowik, 2009 | | USA urn:lsid:nmbe.ch:spidersp:042486
Psilochorus inyo Slowik, 2009: 28, f. 92-98 (Dm) Original description
Psilochorus inyo Slowik, Schneider & Rickman, 2024: 155, f. 1-5 (Df)
Psilochorus itaguyrussu Huber, Rheims & Brescovit, 2005 | | Brazil urn:lsid:nmbe.ch:spidersp:039669
Psilochorus itaguyrussu Huber, Rheims & Brescovit, 2005b: 274, f. 1-2, 5a, 6a, 7-9 (Dm) Original description
Psilochorus minimus Schmidt, 1956 | | Ecuador urn:lsid:nmbe.ch:spidersp:003842
Psilochorus minimus Schmidt, 1956a: 24 (Df) Original description
Psilochorus minimus Huber, 2000: 345 (may be misplaced)
Psilochorus minutus Banks, 1898 | | Mexico urn:lsid:nmbe.ch:spidersp:003843
Psilochorus minutus Banks, 1898b: 213, pl. 13, f. 42 (Df) Original description
Psilochorus murphyi Gertsch, 1973 | | Mexico urn:lsid:nmbe.ch:spidersp:003844
Psilochorus murphyi Gertsch, 1973a: 148, f. 8-10 (Dmf) Original description
Psilochorus pallidulus Gertsch, 1935 | | USA, Mexico urn:lsid:nmbe.ch:spidersp:003846
Psilochorus pallidulus Gertsch, 1935a: 13, f. 28-30 (Dm) Original description
Psilochorus coahuilanus Gertsch & Davis, 1937: 10, f. 10, 16 (Df) [urn:lsid:nmbe.ch:spidersp:003828]
Psilochorus pallidulus Slowik, 2009: 31, f. 99-107 (mf, S of Psilochorus coahuilanus)
Psilochorus papago Gertsch & Davis, 1942 | | USA, Mexico urn:lsid:nmbe.ch:spidersp:003847
Psilochorus papago Gertsch & Davis, 1942: 8, f. 18-23 (Dmf) Original description
Psilochorus papago Slowik, 2009: 31, f. 108-117 (mf)
Psilochorus pullulus (Hentz, 1850) | | Canada, USA, Mexico urn:lsid:nmbe.ch:spidersp:003848 TYPE SPECIES
Theridion pullulum Hentz, 1850: 282, pl. 10, f. 5 (Df) Original description
Pholcus pullulus Thorell, 1877c: 487 (Dm)
Brachypholcus pullulus van Hasselt, 1887c: 98 (introduced two generic names for the same species at the same time)
Pseudopholcus pullulus van Hasselt, 1887c: 98 (introduced two generic names for the same species at the same time)
Psilochorus pullulus Simon, 1893a: 482, f. 470-471, 474-475 (mf)
Psilochorus pullulus Gertsch, 1935a: 14, f. 14, 25-27 (mf)
Psilochorus pullulus Huber, 2000: 23, f. 54, 88, 185 (m)
Psilochorus pullulus Slowik, 2009: 33, f. 118-127 (mf)
Psilochorus pullulus Gómez-Rodríguez & Salazar, 2012: 3, f. II.16A-B (f)
Psilochorus redemptus Gertsch & Mulaik, 1940 | | USA, Mexico urn:lsid:nmbe.ch:spidersp:003849
Psilochorus redemptus Gertsch & Mulaik, 1940: 322 (Dmf) Original description
Psilochorus redemptus Slowik, 2009: 35, f. 128-137 (mf)
Psilochorus rockefelleri Gertsch, 1935 | | Canada, USA urn:lsid:nmbe.ch:spidersp:003850
Psilochorus rockefelleri Gertsch, 1935a: 13, f. 18 (Df) Original description
Psilochorus rockefelleri Slowik, 2009: 38, f. 138-147 (f, Dm)
Psilochorus rockefelleri Slowik, Schneider & Rickman, 2024: 156, f. 6-8 (f)
Psilochorus russelli Gertsch, 1971 | | Mexico urn:lsid:nmbe.ch:spidersp:003851
Psilochorus russelli Gertsch, 1971: 74, f. 87-89 (Dmf) Original description
Psilochorus sectus Mello-Leitão, 1939 | | Brazil urn:lsid:nmbe.ch:spidersp:003852
Psilochorus sectus Mello-Leitão, 1939a: 172 (Df) Original description
Psilochorus sectus Huber, 2000: 345 (may be misplaced)
Psilochorus simoni (Berland, 1911) | | USA. Introduced to Europe, Morocco, Turkey, New Zealand urn:lsid:nmbe.ch:spidersp:003853
Physocyclus simoni Berland, 1911: 110, f. 1-5 (Dm) Original description
Physocyclus simoni Dalmas, 1915: 303 (Df)
Physocyclus simoni Bristowe, 1933e: 511, f. 1-5 (mf)
Psilochorus simplicior Chamberlin & Ivie, 1942a: 12, f. 22-23 (Df) [urn:lsid:nmbe.ch:spidersp:003854]
Physocyclus simoni Locket & Millidge, 1951: 93, f. 48D-F (mf)
Physocyclus simoni Brændegaard, 1966: 84, f. 74-75 (mf)
Physocyclus simoni Dziabaszewski, 1967: 139, f. 1-6 (mf)
Physocyclus simoni Ledoux, 1967: 70, f. 4a-c (m)
Physocyclus simoni Kritscher, 1970b: 138, f. 1-6 (mf)
Physocyclus simoni Klausen, 1972: 123, f. 1-4 (mf)
Physocyclus simoni Moritz, 1973: 174, f. 1-3 (m)
Psilochorus simoni Gertsch in Locket, Millidge & Merrett, 1974: 3 (T from Physocyclus, S of Psilochorus simplicior assumed)
Psilochorus simoni Palmgren, 1977a: 27, f. 6.3-5 (mf)
Psilochorus simoni Vossen, 1983: 236, f. 2a-g (mf)
Psilochorus simoni Roberts, 1985: 64, f. 21b (mf)
Psilochorus simoni Jonsson, 1990: 84, f. 5, 7-8 (mf)
Psilochorus simoni Heimer & Nentwig, 1991: 40, f. 83 (mf)
Psilochorus simoni Huber, 1994a: 85, f. 1-4 (mf)
Psilochorus simoni Roberts, 1995: 99, f. (mf)
Psilochorus simoni Roberts, 1998: 102, f. (mf)
Psilochorus simoni Huber, 1998c: 595, f. 8A (m)
Psilochorus simoni Trotta, 2005: 171, f. 381-382 (mf)
Psilochorus simoni Almquist, 2006: 30, f. 67a-c (mf)
Psilochorus simoni Bayram et al., 2008a: 93, f. 2A-D (mf)
Psilochorus simoni Slowik, 2009: 39, f. 148-157 (mf, S of Psilochorus simplicior)
Psilochorus simoni Paquin, Vink & Dupérré, 2010: 35, f. 12.2, 7-9 (mf)
Psilochorus simoni Le Peru, 2011: 157, f. 200 (mf)
Psilochorus simoni Isaia et al., 2011: 110, f. 2.5A-B, 2.6 (mf)
Psilochorus simoni Kovács, Szinetár & Eichardt, 2026: 65, f. 1-5 (mf)
Psilochorus sinaloa Gertsch & Davis, 1942 | | Mexico urn:lsid:nmbe.ch:spidersp:003855
Psilochorus sinaloa Gertsch & Davis, 1942: 8, f. 27-28 (Df) Original description
Psilochorus taperae Mello-Leitão, 1929 | | Brazil urn:lsid:nmbe.ch:spidersp:003857
Psilochorus taperae Mello-Leitão, 1929c: 94, f. 3-5 (Dmf) Original description
Psilochorus taperae Huber, 2000: 345 (may be misplaced)
Psilochorus tellezi Gertsch, 1971 | | Mexico urn:lsid:nmbe.ch:spidersp:003858
Psilochorus tellezi Gertsch, 1971: 74, f. 82-83 (Df) Original description
Psilochorus texanus Slowik, 2009 | | USA, Mexico urn:lsid:nmbe.ch:spidersp:042487
Psilochorus texanus Slowik, 2009: 41, f. 158-166 (Dmf) Original description
Psilochorus topanga Chamberlin & Ivie, 1942 | | USA urn:lsid:nmbe.ch:spidersp:003859
Psilochorus topanga Chamberlin & Ivie, 1942a: 11, f. 14-17 (Dmf) Original description
Psilochorus topanga Slowik, 2009: 43, f. 167-175 (mf)
Psilochorus utahensis Chamberlin, 1919 | | USA urn:lsid:nmbe.ch:spidersp:003860
Psilochorus utahensis Chamberlin, 1919a: 247, pl. 17, f. 1-2 (Dmf) Original description
Psilochorus utahensis Slowik, 2009: 44, f. 176-186 (mf)
Psilochorus ybytyriguara Huber, Rheims & Brescovit, 2005 | | Brazil urn:lsid:nmbe.ch:spidersp:039670
Psilochorus ybytyriguara Huber, Rheims & Brescovit, 2005b: 274, f. 3-4, 5b, 6b (Dm) Original description

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