Psilochorus Simon, 1893
Type species: Theridion pullulum Hentz, 1850
Psilochorus Simon 1893b: 482. Gertsch 1971: 72. Huber 1998c: 595-596, f 10. Deeleman-Reinhold 1955: 22-23. Slowik 2009: 3-5.

P. acanthus Chamberlin & Ivie, 1942 @AMNH?
    Chamberlin & Ivie 1942: 12; pl 2, f 18-21; D(m,f) USA (California)
    Slowik 2009: 7; f 5-14, 188; D(m,f); R USA (California, New Mexico)

P. agnosticus Chamberlin, 1924 @CAS
    Chamberlin 1924: 634-635; f 73-74; D(m,f) Mexico (Gulf of California)
    Slowik 2009: 15-16; possibly synonym of P. californiae

P. apicalis Banks, 1921 @MCZ
    Banks 1921: 99; f 1; D(m) USA (California)
   
Schenkel 1950: 44-45 (P. gertschi); f 10; D(f) USA (California)
   
Slowik 2009: 8-9; f 15-27; D(m,f); S gertschi; R USA (California)

P. bantus Chamberlin & Ivie, 1942 @CAS?
    Chamberlin & Ivie 1942: 10-11; f 10-13; D(m,f) USA (California)
    Slowik 2009: 10-11; f 28-36; D(m,f); R USA (California)

(P. browningi Roewer, 1951 @BMNH: see Mesabolivar aurantiacus)

P. bruneocyaneus Mello-Leitão, 1941 @@
    Mello-Leitão 1941b: 117-118; D(f) "Rio Uruguai: Ilha Yolantim"
    Huber 2000: 344; incertae sedis

P. californiae Chamberlin, 1920 @MCZ
    Chamberlin 1920: 8; pl.3, f 2-3; D(m) USA (California)
    Slowik 2009: 11-16; f 37-46; D(m,f); R USA, Mexico

P. cambridgei Gertsch & Davis, 1937 @AMNH
    Gertsch & Davis 1937: 8-9; f 6-8; D(m,f) Mexico (Coahuila)

(P. cambridgei Mello-Leitão 1947; see Mesabolivar aurantiacus)
(P. coahuilanus Gertsch & Davis, 1937 @AMNH: see P. pallidulus)

P. coloradensis Slowik, 2009 @DMNS
    Slowik 2009: 16; f 1, 47-55; 189; D(m,f) USA (Colorado)

P. concolor Slowik, 2009 @AMNH
    Slowik 2009: 16-18; f 56-66, 190; D(m,f) USA (Texas)

(P. ceruleiventris Mello-Leitão, 1916: see Mesabolivar c.)

P. concinnus Gertsch, 1973 @AMNH
    Gertsch 1973: 147-148; f 5-7; D(m,f) Mexico (San Luis Potosí)

P. conjunctus Gertsch & Davis, 1942 @AMNH
    Gertsch & Davis 1942: 10; f 15-17, 24-26; D(m,f) Mexico (Coahuila)

P. cordatus (Bilimek, 1867) @NHMW?
    Bilimek 1867: 907 (Pholcus c.); D Mexico (Guerrero)
    Herrera 1891: 220 (Pholcus cacahuamilpensis)
    Gertsch 1971: 72-73; T from Pholcus; S Pholcus cacahuamilpensis

P. cornutus (Keyserling, 1887) @BMNH
    Keyserling 1887: 475-476 (Pholcus c.); f 47, 47a-b; D(m) USA ("Washington")
    Simon 1893b: 481; T from Pholcus
    Emerton 1902: 130-131 (Pholcus c.); f 309-311; D; B; R USA (southern States)

(P. cyaneomaculatus (Keyserling, 1891): see Mesabolivar c.)
(P. dasyops Mello-Leitão 1947: see Aymaria d.)

P. delicatus Gertsch, 1971 @AMNH
    Gertsch 1971: 76; f 90-91; D(f) Mexico (Durango)

P. diablo Gertsch, 1971 @AMNH
    Gertsch 1971: 73; f 77-81; D(m,f) Mexico (Chihuahua)

P. dogmaticus Chamberlin, 1924 @CAS
    Chamberlin 1924: 633-634; f 72; D(f) Mexico (Gulf of California)
    Slowik 2009: 15-16; possibly synonym of P. californiae

P. durangoanus Gertsch & Davis, 1937 @AMNH
    Gertsch & Davis 1937: 9-10; f 9,15; D(m,f) Mexico (Durango)

P. fishi Gertsch, 1971 @AMNH
    Gertsch 1971: 73-74; f 84-86; D(m,f) Mexico (Hidalgo)

(P. fluminensis Mello-Leitão, 1918: see Mesabolivar f.)
(P. gertschi Schenkel, 1950 @NHMB: see P. apicalis)

P. hesperus Gertsch & Ivie, 1936 @AMNH
    Gertsch & Ivie 1936: 1-3; f 1-5; D(m,f) USA (Washington, Idaho)
    Slowik 2009: 19-21; f 67-76, 191; D(m,f); R USA (California, Washington, Idaho)

P. hooki Slowik, 2009 @EMUC
    Slowik 2009: 21-22; f 77-81, 191; D(m) USA (California)

P. imitatus Gertsch & Mulaik, 1940 @AMNH?
    Gertsch & Mulaik 1940: 321-322; f 17; D(m,f) USA (Texas, New Mexico)
    Slowik 2009: 22-27; f 2-4, 82-91, 192; D(m,f); R USA

P. inyo Slowik, 2009 @NHMLA
    Slowik 2009: 28-30; f 92-98, 191; D(m) USA (California)

P. itaguyrussu Huber, Rheims & Brescovit, 2005 @IBSP
    Huber, Rheims & Brescovit 2005a: 274; f 1, 2, 5a, 6a, 7-9; D(m) Brazil (São Paulo)

(P. lemniscatus Simon, 1894: see Mecolaesthus l.)

P. marcuzzii Caporiacco, 1955 @@
    Caporiacco 1955: 299-300; f 9a-b; D(m) Venezuela (St. Ana, Falcón)
    Huber 2000: 345; incertae sedis

P. minimus Schmidt, 1956 @SMF?
    Schmidt 1956: 24; D(f) Ecuador (?)
    Schmidt 1971: 424
    Huber 2000: 345; incertae sedis

P. minutus Banks, 1898 @MCZ?
    Banks 1898: 213; pl.13; f 42; D(f) Mexico (Baja California)

(P. multiguttatus Simon, 1905: see Holocneminus m.)

P. murphyi Gertsch, 1973 @AMNH
    Gertsch 1973: 148; f 8-10; D(m,f) Mexico (Oaxaca)

(P. nigridentis Mello-Leitão, 1922: see Mesabolivar n.)
(P. nigrifrons Simon, 1894: see Mecolaesthus n.)

P. nigromaculatus Kulczynski, 1911 @@
    Kulczynski 1911: 436; pl 19, f 12-13; D New Guinea
    Chrysanthus 1967: 96; f 25-28; D(f); R New Guinea
    Huber 2000: 345; incertae sedis

P. pallidulus Gertsch, 1935 @AMNH
    Gertsch 1935: 13-14; f 28-30; D(m) USA (Texas)
    Gertsch & Davis 1937: 10-11 (P. coahuilanus); f16; D(f) Mexico (Coahuila)
    Gertsch & Davis 1942: 8 (P. pallidulus, P. coahuilanus); R(f) Mexico (Tamaulipas, Coahuila)

    Gertsch & Mulaik 1940: 321 (P. pallidulus), 323 (P. coahuilanus); R USA (Texas)
    Slowik 2009: 31; f 99-107, 190; D(m,f); S coahuilanus; R USA, Mexico

P. papago Gertsch & Davis, 1942 @AMNH
    Gertsch & Davis 1942: 8; f 18-23; D(m,f) Mexico (Sonora); USA (Arizona)
    Slowik 2009: 31-33; f 108-117, 193; D(m,f) R USA, Mexico

P. pullulus (Hentz, 1850) @@
    Hentz 1850: 282-283 (Theridion pullulum); pl.10, f 5; D USA (Alabama)
    Thorell 1877: 487-489 (Pholcus p.); D(m); T to Pholcus; R USA (Colorado)
    Simon 1893b: 482; f 470-471, 474-474; D(m,f); T from Pholcus
    Simon 1905b: 6; R(f) Argentina (Chabut)
    Comstock 1912: 320; D
    Chamberlin 1924: 635; R USA (California)
    Banks et al. 1932: 15; R USA (Oklahoma)
    Gertsch 1935: 14; f 14, 25-27; D(m); R USA (Texas)
    Jones 1936: 69; R USA (Texas)
    Mello-Leitão 1941a: 111; R Argentina (Salta) [dubious record; see Huber 2014: 140]
    Gertsch & Mulaik 1940: 322; not found in Texas
    Huber 2000: f 54, 88, 185
    Slowik 2009: 33-35; f 118-127, 194; D(m,f), R USA

P. redemptus Gertsch & Mulaik, 1940 @AMNH
    Gertsch & Mulaik 1940: 322-323; D(m,f) USA (Texas)
    Gertsch & Davis 1942: 8; R(m,f) Mexico (Tamaulipas, Nuevo Leon)
    Slowik 2009: 35-37; f 128-137, 190; D(m,f) R Mexico, USA

P. rockefelleri Gertsch, 1935 @AMNH
    Gertsch 1935: 13; f 18; D(f) USA (Arizona)
    Slowik 2009: 38-39; f 138-147, 193; D(m,f) R USA (Arizona, New Mexico)

P. russelli Gertsch, 1971 @AMNH
    Gertsch 1971: 74, 76; f 87-89; D(m,f) Mexico (Coahuila)

P. sectus Mello-Leitão, 1939 @@
    Mello-Leitão 1939: 172-173; D(f) Brazil (Paraíba)
    Huber 2000: 345; incertae sedis

P. simoni (Berland, 1911) @MNHN
    Berland 1911 (Physocyclus s.) France (Paris)
    Dalmas 1915: 303-304 (Physocyclus s.); D(f); R France (Paris)
    Bristowe 1933: 509-514 (Physocyclus s.); f 1-5; D(m,f); R Great Britain
    Chamberlin & Ivie 1942: 12-13 (P. simplicior); pl.2, f 22-23; D(f) USA (California)
   
Locket & Millidge 1951: 93-94 (Physocyclus s.); f 48d-f; D(m,f); R?
    Parenzan 1953: ??; R Italy
    Parenzan 1954: ??; R Italy
    Comellini 1954: ?? (Physocyclus s.); R(m,f) Switzerland (Geneva)
    Denis 1960: 51-52; R France
    Dresco 1963: ??; R Italy
    Braendegard 1966: 84-85 (Physocyclus s.); f 74-75; R Denmark
    Dziabaszewski 1967: 139-141 (Physocyclus s.); f 1-6; D(m,f); B; R Poland (Poznan)
    Ledoux 1967: 70 (Physocyclus s.); f 4a-c
    Kritscher 1969: 1-5 (Physocyclus s.); f 1-6; D(m,f); R Austria (Vienna)
    Brignoli 1971: 93 (Physocyclus s.)
    Klausen 1972: 123-125 (Physocyclus s.); f 1-4; D(m,f); R
    Moritz 1973: 174-175 (Physocyclus s.); f 1-3; R Germany (Berlin)
    Faiture 1973: ?? (Physocyclus s.); R Belgium
    Gertsch, in Locket, Millidge & Merrett 1974: 3-4: S of simplicior?; T from Physocyclus
    Costantini 1975: 90 (Physocyclus s.); R Italy
    Palmgren 1977: 27; f 6.3-5
    Brignoli 1979: 12; R Italy (Sardegna)
    Vossen 1983: 236; f 2a-g
    Roberts 1985: 64; f 21b
    Jonsson 1990: 84; f 5, 7-8; R Sweden
    Heimer & Nentwig 1991: 40; f 83
    Szinetar 1992: xxx; R Hungary
    Fürst & Blandenier 1993: 75-85; f 1-4; B; R Switzerland (Neuchatel)

    Huber 1994: 85-99; f 1-8; D(m,f); B; R Austria (Vienna)
    Roberts 1995: 99; f
    Jäger 1998: 15; R Germany
    Huber 1998c: 595; f 8a (copied from Huber 1994)
    Roberts 1998: 102; f
   
Kenyeres & Szinetár 2003: 56-57
    Ghavami et al. 2007: 2566; R Iran
   
Bayram et al. 2008: 91-97; f 2a-d; D(m,f); R Turkey
    Ghahari & Marusik 2009: 4; R Iran
    Slowik 2009: 39-41; f 148-157, 189; D(m,f); S simplicior; R USA (California, Oregon)
    Zamani 2015: 15; R Iran
   
Bosmans et al. 2013: 27; R Greece (Crete)

(P. simplicior Chamberlin & Ivie, 1942 @CAS?: see P. simoni)

P. sinaloa Gertsch & Davis, 1942 @AMNH
    Gertsch & Davis 1942: 8-9; f 27-28; D(f) Mexico (Sinaloa)

(P. sphaeroides (L. Koch, 1867): see Wugigarra s.)

P. taperae Mello-Leitão, 1929 @@
    Mello-Leitão 1929: 94-95; f 3-5; D(m,f) Brazil (Pernambuco)
    Huber 2000: 345; incertae sedis

P. tellezi Gertsch, 1971 @AMNH
    Gertsch 1971: 74; f 82-83; D(f) Mexico (Guerrero)

P. texanus Slowik, 2009 @AMNH
    Slowik 2009: 41-43; f 158-166, 190; D(m,f) USA (Texas), Mexico

P. topanga Chamberlin & Ivie, 1942 @AMNH
    Chamberlin & Ivie 1942: 11-12; pl.2, f 14-17; D(m,f) USA (California)
    Slowik 2009: 43; f 167-175, 193; D(m,f)

P. utahensis Chamberlin, 1919 @MCZ
    Chamberlin 1919: 247; pl.17, f 1-2; D(m,f) USA (Utah)
    Chamberlin 1921: 245; R USA (Utah)
    Chamberlin 1924: 634; R Mexico (Baja California)
    Chamberlin & Gertsch 1928: 179; R(f) USA (Utah)
    Gertsch & Davis 1937: 11; R(m,f) Mexico (Hidalgo)
    Slowik 2009: 44-52; f 176-186, 195; D(m,f) R USA, Mexico

(P. wunderlichi Deeleman-Reinhold, 1995: see Wugigarra w.)

P. ybytyriguara Huber, Rheims & Brescovit, 2005 @IBSP
    Huber, Rheims & Brescovit 2005a: 274-275; f 3, 4, 5b, 6b; D(m) Brazil (São Paulo)