Melanopa Thorell, 1889[1] is a genus of the family Sclerosomatidae, subfamily Gagrellinae.

In 1903 With[2] considered it to be a junior synonym of Gagrella Stoliczka, 1869. This synonymy was rejected by Roewer[3] and, although being adopted in Hallan's listing, Melanopa still widely regarded as a separate genus[4].

In his 1955 review, Roewer[5] provided three distinctive characters of the genus:

  • a pseudoarticular nodule on femur II
  • a median spine on scute II
  • femora I & III shorter than the body.

Zhang & Zhang[4] have suggested dividing the genus into two "groups":

  • the Palearctic group: grandis, guttata, ovata, satoi, wangi & zhui
  • the Indo-Malayan group: the other 27 species

Species ListEdit

As of 2013 there are 33 recognised species in the genus Melanopa[4]


  1. Thorell, T.T.T. (1889) Aracnidi Artrogastri Birmani raccolti da L. Fea nel 1885–1887. In: Viaggio di Leonardo Fea in Birmania e regione vicine. XXI. Annali del Museo Civico di Storia Naturale di Genova, Genova, series 2, 7(3), 521–729
  2. With, C. J. (1903) New and old Phalangiidae from the Indian region. Journal of the Linnean Society of London, Zoology, London, 28(186), 466–509.
  3. Roewer, C.F. (1910a) Revision der Opiliones Plagiostethi (= Opiliones Palpatores). I. Teil: Familie der Phalangiidae. (Subfamilien: Gagrellini, Liobunini, Leptobunini.) Abhandlungen aus dem Gebiete der Naturwissenschaften, herausgegeben vom Naturwissenschaftlichen Verein in Hamburg, Hamburg, 19(4), 1–294,
  4. 4.0 4.1 4.2 Zhang, C. & Zhang, F. (2013b) Notes on some species of the genus Melanopa (Opiliones: Sclerosomatidae: Gagrellinae) from China, with description of a new species. Journal of Arachnology, 41(3), 306–318.
  5. Roewer, C.F. (1955a) Indoaustralische Gagrellinae (Opiliones, Arachnidae). (Weitere Weberknechte XVIII). 3. Teil. Senckenbergiana Biologica, Frankfurt, 36(1/2), 71–121.

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