Family: Araneidae Clerck, 1757 [urn:lsid:nmbe.ch:spiderfam:0102] Detail
Gen. Isoxya Simon, 1885 [urn:lsid:nmbe.ch:spidergen:01497] Detail
type Gasteracantha cicatricosa C. L. Koch, 1844; gender feminine
N.B.: Simon, 1885d: 35 considered Isoxya a replacement name of Isacantha Simon, 1864 (described as subgenus of Gasteracantha, preoccupied in Coleoptera by Hope, 1833), but none of the species listed by Simon, 1864: 286 in Isacantha are later considered to belong to Isoxya, therefore Isacantha is regarded as a synonym of Gasteracantha (see there); Isoxya was removed from the synonymy of Gasteracantha Sundevall, 1833 by Benoit, 1962a: 14 (contra Simon, 1895a: 845); not a senior synonym of Afracantha Dahl, 1914, Hypsacantha Dahl, 1914 or Togacantha Dahl, 1914 (Emerit, 1974: 28-31, contra Benoit, 1962a: 14).
Transferred to other genera:
Isoxya camerunensis (Thorell, 1899) -- see Afracantha
Isoxya crucimaculata (Dahl, 1914) -- see Hypsacantha
Isoxya galeata Simon, 1887 -- see Aetrocantha
Isoxya nordviei (Strand, 1913) -- see Togacantha
In synonymy:
Isoxya penizoides Simon, 1887 = Isoxya kochi (O. Pickard-Cambridge, 1877) (Hormiga et al., 2023: 808).
Isoxya rogersi (O. Pickard-Cambridge, 1879, removed from S of I. testudinaria) = Isoxya semiflava Simon, 1887 (Benoit, 1962a: 29).
Isoxya testudinaria benina (Strand, 1913, T from Gasteracantha) = Isoxya testudinaria (Simon, 1901) (Benoit, 1962a: 31).
Isoxya tuberifera (Dahl, 1914, T from Gasteracantha) = Isoxya cicatricosa (C. L. Koch, 1844) (Benoit, 1962a: 38).
Isoxya basilewskyi Benoit & Emerit, 1975 | m f | Rwanda, Congo     [urn:lsid:nmbe.ch:spidersp:016201]
Isoxya basilewskyi Benoit & Emerit, 1975: 324, f. 4-6 (Dmf).
Isoxya cicatricosa (C. L. Koch, 1844) * | m f | Central, East, Southern Africa, Yemen     [urn:lsid:nmbe.ch:spidersp:016202]
Gasteracantha cicatricosa C. L. Koch, 1844: 54, f. 877 (Df).
Isacantha hildebrandti Karsch, 1878b: 313, pl. 8, f. 3 (Df).
Gasteracantha wealii O. Pickard-Cambridge, 1879c: 290, pl. 27, f. 20 (Df).
Gasteracantha proba O. Pickard-Cambridge, 1879c: 291, pl. 27, f. 22 (Df).
Gasteracantha pygmaea Bösenberg & Lenz, 1895: 47, pl. 2, f. 29 (Dm).
Gasteracantha sanguinipes Strand, 1906b: 625 (Df).
Gasteracantha hildebrandti Strand, 1908g: 433 (Dm).
Gasteracantha cicatricosa Dahl, 1914: 256.
Gasteracantha tubifera Dahl, 1914: 256, f. 18 (Df).
Isoxya cicatricosa Benoit, 1962a: 38, f. 25bis (Tmf from Gasteracantha, S).
Isoxya cicatricosa Emerit, 1973: 676, f. 2A-C, pl. IA, C (m).
Isoxya cicatricosa Benoit & Emerit, 1975: 327, f. 8a-b (m).
Isoxya cicatricosa Dippenaar-Schoeman et al., 2022e: 28, p. 27: 1 f., p. 28: 5 f. (f habitus).
Isoxya cowani (Butler, 1883) | m f | Madagascar     [urn:lsid:nmbe.ch:spidersp:016203]
Gasteracantha cowani Butler, 1883: 766, pl. 57, f. 5 (Dm).
Gasteracantha cowani Dahl, 1914: 255 (Df).
Isoxya cowani Emerit, 1974: 49, f. 7A, 11, 12A-C, 16A (Tmf from Gasteracantha).
Isoxya kochi (O. Pickard-Cambridge, 1877) | m f | West, Central, East Africa     [urn:lsid:nmbe.ch:spidersp:016882]
Paraplectana kochii O. Pickard-Cambridge, 1877c: 35, pl. 7, f. 10 (Df; Australia is possibly mislabelled per Hormiga et al., 2023: 810).
Isoxia penizoides Simon, 1887a: 269 (Df) [urn:lsid:nmbe.ch:spidersp:016209].
Gasteracantha penizoides Simon, 1895a: 843, f. 892 (f).
Paraplectanoides kochi Simon, 1895a: 871.
Plectana penizoides Thorell, 1899: 64.
Gasteracantha penizoides Simon, 1907d: 302 (Dm).
Isoxya penizoides Benoit, 1962a: 20 (T from Gasteracantha).
Isoxya penizoides Emerit, 1982b: 162, pl. 1B.
Isoxya kochi Hormiga et al., 2023: 808 (T from Paraplectanoides, S of Isoxya penizoides).
Isoxya mahafalensis Emerit, 1974 | m f | Madagascar     [urn:lsid:nmbe.ch:spidersp:016204]
Isoxya mahafalensis Emerit, 1974: 43, f. 7C, 8, 9A-C, 10A-C, 16B (Dmf).
Isoxya milloti Emerit, 1974 | f | Madagascar     [urn:lsid:nmbe.ch:spidersp:016205]
Isoxya milloti Emerit, 1974: 55, f. 15, 16C (Df).
Isoxya mossamedensis Benoit, 1962 | f | Angola, South Africa     [urn:lsid:nmbe.ch:spidersp:016206]
Isoxya mossamedensis Benoit, 1962a: 24, f. 17 (Df).
Isoxya mossamedensis Dippenaar-Schoeman et al., 2022e: 29, p. 27: 1 f., p. 29: 6 f. (f habitus).
Isoxya mucronata (Walckenaer, 1841) | m f | DR Congo, South Africa     [urn:lsid:nmbe.ch:spidersp:016207]
Plectana mucronata Walckenaer, 1841: 156 (Df).
Gasteracantha tuberosa Thorell, 1859: 303 (Df).
Stanneoclavis tuberosa Karsch, 1879a: 330.
Gasteracantha purpurea Simon, 1884k: 19, pl. 1, f. 9 (Df).
Gasteracantha mucronata Dahl, 1914: 255.
Isoxya mucronata Benoit, 1962a: 27, f. 20 (Tf from Gasteracantha).
Isoxya mucronata Emerit, 1982b: 160, pl. 1C, f. 2 (Dm).
Isoxya mucronata Heinrichs & Barrion, 2004: 207, f. 581-582 (f).
Isoxya mucronata Dippenaar-Schoeman et al., 2022e: 30, 4 f. (f habitus).
Isoxya nigromutica (Caporiacco, 1939) | f | East Africa     [urn:lsid:nmbe.ch:spidersp:016208]
Gasteracantha nigromutica Caporiacco, 1939a: 348 (Df).
Isoxya nigromutica Benoit, 1962a: 66 (Tf from Gasteracantha).
Isoxya reuteri (Lenz, 1886) | f | Madagascar     [urn:lsid:nmbe.ch:spidersp:016210]
Gasteracantha reuteri Lenz, 1886: 382, pl. 10, f. 3 (Df).
Gasteracantha maculosa Lenz, 1886: 383, pl. 10, f. 4 (f).
Isoxya reuteri Dahl, 1914: 255.
Isoxya reuteri Benoit, 1962d: 373 (Tf from Gasteracantha).
Isoxya reuteri Emerit, 1974: 51, f. 7B, 13, 14A-C, 16D (f).
Isoxya semiflava Simon, 1887 | f | West, Central Africa     [urn:lsid:nmbe.ch:spidersp:016211]
Gasteracantha rogersi O. Pickard-Cambridge, 1879c: 292, pl. 27, f. 23 (Dm).
Isoxia semiflava Simon, 1887a: 268, pl. 6, f. 2 (Df).
Isoxya semiflava Simon, 1895a: 843, f. 893 (f).
Isoxya semiflava Benoit, 1962a: 29, f. 22 (removed f from S of I. mucronata, S).
Isoxya somalica (Caporiacco, 1940) | f | Somalia     [urn:lsid:nmbe.ch:spidersp:016212]
Gasteracantha somalica Caporiacco, 1940c: 773, f. 2 (Df).
Isoxya somalica Benoit, 1962a: 67 (Tf from Gasteracantha).
Isoxya stuhlmanni (Bösenberg & Lenz, 1895) | f | DR Congo, Rwanda, Tanzania, Mozambique, South Africa, Eswatini     [urn:lsid:nmbe.ch:spidersp:016213]
Gasteracantha stuhlmanni Bösenberg & Lenz, 1895: 48, pl. 2, f. 30 (Df).
Isoxya stuhlmanni Benoit, 1962a: 34, f. 25 (f, T from Gasteracantha).
Isoxya stuhlmanni Dippenaar-Schoeman et al., 2022e: 31, 5 f. (f habitus).
Isoxya tabulata (Thorell, 1859) | m f | DR Congo, Malawi, Tanzania, Angola, Zimbabwe, Mozambique, South Africa, Eswatini     [urn:lsid:nmbe.ch:spidersp:016214]
Gasteracantha tabulata Thorell, 1859: 303 (Df).
Gasteracantha modesta Thorell, 1859: 303 (Dm).
Isoxia tabulata Pavesi, 1895a: 497.
Gasteracantha cicatrella Strand, 1907a: 537 (Df).
Gasteracantha kibonotensis Tullgren, 1910: 169 (Df).
Gasteracantha momboensis Tullgren, 1910: 170 (Df).
Gasteracantha tabulata Dahl, 1914: 255, f. 8 (f).
Gasteracantha tabulata Lawrence, 1937: 234, f. 11 (mf).
Isoxya tabulata Benoit, 1962a: 36 (Tmf from Gasteracantha).
Isoxya tabulata Emerit, 1973: 680, f. 3A-C, pl. IE-G (m).
Isoxya tabulata Benoit & Emerit, 1975: 327, f. 7a-b (m).
Isoxya tabulata Dippenaar-Schoeman et al., 2022e: 32, p. 32: 5 f., p. 33: 2 f. (f habitus).
Isoxya testudinaria (Simon, 1901) | m f | West, Central, East Africa     [urn:lsid:nmbe.ch:spidersp:016215]
Gasteracantha testudinaria Simon, 1901d: 20 (Df).
Gasteracantha testudinaria benina Strand, 1913a: 385 (Df).
Isoxya testudinaria Benoit, 1962a: 31, f. 23 (Tmf from Gasteracantha, S).
Isoxya testudinaria Emerit, 1982b: 163, pl. 1D.
Isoxya yatesi Emerit, 1973 | f | South Africa     [urn:lsid:nmbe.ch:spidersp:016216]
Isoxya yatesi Emerit, 1973: 683, f. 4 (Df).
Isoxya yatesi Dippenaar-Schoeman et al., 2022e: 34, 4 f. (f).
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