World Spider Catalog

Dictynidae O. Pickard-Cambridge, 1871

Family | ACCEPTED

N.B.: considered a senior synoym of Rhioidae Thorell, 1873 by Simon, 1892a: 241 (by transfer of the type genus); Blabomma and Yorima are transferred from the Dictynidae to the Cybaeidae by Wheeler et al., 2017: 606; Argyroneta was transferred from the Cybaeidae to the Dictynidae and Cicurina (as well as Chorizomma and Mastigusa [transferred to the Cybaeidae by Castellucci et al., 2023: 6], which are not explicitely listed by Wheeler et al., 2017) from the Dictynidae to the Hahniidae by Wheeler et al., 2017: 607; Cicurinidae are new circumscribed (Bromella, Cicurina and Chorizomma) and elevated to family by Gorneau et al., 2023: 11; Dictynidae were considered not monophyletic per Kulkarni, Wood & Hormiga, 2023: 515, f. 15-16; Argyronetidae are separated from the Dictynidae by Montana et al., 2025: 9 and include 12 genera, Argyroneta probably represents an own subfamily; Argyronetidae were seperated before (Ono, 2009a: 169, Murphy & Roberts, 2015: viii, with the single genus Argyroneta), but this was not accepted; Lathyidae are also separated from the Dictynidae by Montana et al., 2025: 43 and include 10 genera; Dictynidae are redefined by Montana et al., 2025: 79.

Gen. Spagnius Cala-Riquelme & Crews, 2025 urn:lsid:nmbe.ch:spidergen:06317

type Theridion foliaceum Hentz, 1850; gender masculine

In synonymy:

Spagnius chilapa (Gertsch & Davis, 1937) = Spagnius jacalana (Gertsch & Davis, 1937) (Roewer, 1955c: 1314, sub Dictyna)

Spagnius frondeus (Emerton, 1888) = Spagnius foliaceus (Hentz, 1850) (Kaston, 1948: 507, sub Dictyna)

Spagnius morologus (Hentz, 1850, T from Theridion) = Spagnius foliaceus (Hentz, 1850) (Roewer, 1955c: 1321, sub Dictyna)

Spagnius vittatus (Keyserling, 1884) = Spagnius foliaceus (Hentz, 1850) (Roewer, 1955c: 1321, sub Dictyna)

Spagnius albopilosus (Franganillo, 1936) | | Cuba urn:lsid:nmbe.ch:spidersp:022248

Dictyna albopilosa Franganillo, 1936b: 78, f. 37 (Dmf) Original description

Dictyna albopilosa Franganillo, 1936c: 48, f. 19 (m)

Spagnius albopilosa Montana et al., 2025: 90 (T from Dictyna)

Spagnius foliaceus (Hentz, 1850) | | Canada, USA urn:lsid:nmbe.ch:spidersp:022278 TYPE SPECIES

Theridion foliaceum Hentz, 1850: 277, pl. 9, f. 14 (Df; preoccupied by Nicolet, 1849, see Kochiura rosea; nomen protectum by Sherwood, Blick & Ballarin, 2025: 50) Original description

Theridion morologum Hentz, 1850: 277, pl. 9, f. 13 (Df) [urn:lsid:nmbe.ch:spidersp:065394]

Dictyna vittata Keyserling, 1884b: 663, pl. 21, f. 12 (Dmf; preoccupied by Keyserling, 1883, see Dictyna vittata) [urn:lsid:nmbe.ch:spidersp:065395]

Dictyna frondea Emerton, 1888: 449, pl. 9, f. 9 (Dmf) [urn:lsid:nmbe.ch:spidersp:065396]

Dictyna frondea Emerton, 1902: 208, f. 481 (mf)

Dictyna foliacea Petrunkevitch, 1911: 109

Dictyna foliacea Comstock, 1940: 285, f. 271 (f)

Dictyna foliacea Muma, 1943: 28, pl. XI, f. 4 (f)

Dictyna frondea Muma, 1943: 28, pl. 9, f. 3 (f)

Dictyna sublata Jones, 1947: 31, f. 78-81, 86 (mf; misidentified per Chamberlin & Gertsch, 1958: 74, 128)

Dictyna foliacea Kaston, 1948: 507, f. 1951, 1972-1974 (mf, S of Dictyna frondea)

Dictyna foliacea Gertsch in Roewer, 1955c: 1321 (S of Dictyna vittata Keyserling, 1884 and Theridion morologum)

Dictyna foliacea Chamberlin & Gertsch, 1958: 73, pl. 19, f. 8-13 (mf, S of Dictyna vittata Keyserling, 1884 and Theridion morologum confirmed)

Dictyna foliacea Paquin & Dupérré, 2003: 68, f. 560-562 (mf)

Spagnius foliacea Montana et al., 2025: 90 (T from Dictyna)

Spagnius foliaceus Sherwood, Blick & Ballarin, 2025: 50 (nomen protectum)

Spagnius jacalana (Gertsch & Davis, 1937) | | Mexico urn:lsid:nmbe.ch:spidersp:022292

Dictyna jacalana Gertsch & Davis, 1937: 18, f. 22-24 (Dmf) Original description

Dictyna chilapa Gertsch & Davis, 1942: 15, f. 30 (Df) [urn:lsid:nmbe.ch:spidersp:065397]

Dictyna jacalana Gertsch in Roewer, 1955c: 1314 (S of Dictyna chilapa)

Spagnius jacalana Montana et al., 2025: 90 (T from Dictyna)

Spagnius nebraska (Gertsch, 1946) | | USA urn:lsid:nmbe.ch:spidersp:022308

Dictyna nebraska Gertsch, 1946a: 16, f. 17-18 (Dm) Original description

Dictyna nebraska Chamberlin & Gertsch, 1958: 79, pl. 21, f. 10-14 (mf)

Spagnius nebraska Montana et al., 2025: 90 (T from Dictyna)