Pachyloides thorellii, copyright Nicolas Chimento.

Belongs within: Gonyleptidae.

Pachyloides is a genus of gonyleptid harvestmen found in Northern Argentina, Uruguay and southern Bolivia.

Characters (from Acosta 1996, 1999): Eye mound with paired armature, two apophyses or conical tubercles, sometimes very small. Dorsal scutum generally unarmed, with granulation arranged in transverse rows or irregularly; in many species it is very conspicuous, and in some cases a pair of paramedian granules on areas III and IV are larger than the rest, even resembling low tubercles. Palpal femora armed with one mesal, subapical spine. Tarsal formula: 6:n:6–7:6–8. Penis: apical plate of truncus bearing 5-7 pairs of lateral spines, in two groups (subapical and basal); stylus with a short ventral process, with a bifurcated tip.

<==Pachyloides Holmberg 1878 A99 (see below for synonymy)
    |--*P. thorellii Holmberg 1878 A99 (see below for synonymy)
    |--P. alticola (Ringuelet 1961) [=Parabalta alticola] K03
    |--P. armatus Roewer 1917 K03
    |--P. bellicosus Roewer 1913 K03
    |--P. borellii (Roewer 1925) A99 [=Parabalta borrellii K03]
    |--P. calcartibialis Roewer 1917 K03
    |--P. cochuna Acosta 1996 A99
    |--P. fallax Mello-Leitão 1932 [incl. Discocyrtus monstrosus Mello-Leitão 1940] K03
    |--P. hades Acosta 1989 A99
    |--P. iheringi Roewer 1913 K03
    |--‘Daguerreia’ inermis Soares & Soares 1947 [=Daquerreia inermes (l. c.)] K03
    |--P. maculatus (Canals 1933) A99 [=*Daguerreia maculata K03]
    |--P. sicarius (Roewer 1925) A99 [=Parabalta sicaria K03]
    |--P. taurus Mello-Leitão 1937 K03
    |--P. tucumanus (Canals 1933) [=*Bosqia tucumana] A99
    `--P. yungarum Acosta 1999 [=P. tucumanus Canals 1943 non Bosqia tucumana Canals 1933, P. thorelli tucumanus] A99

Pachyloides Holmberg 1878 [incl. Bosqia Canals 1933 A99, Canalsia Mello-Leitão 1930 K03, Daguerreia Canals 1933 A99, Daguerrera (l. c.) A99]

*Pachyloides thorellii Holmberg 1878 A99 [incl. P. aelleni Šilhavý 1979 K03, *Canalsia delicata Mello-Leitão 1930 K03, P. delicatus Mello-Leitão 1931 K03]

*Type species of generic name indicated


Acosta, L. E. 1996. An emendation of the generic concept of Pachyloides, with the description of a new species (Opiliones, Gonyleptidae, Pachylinae). Revue Suisse de Zoologie vol. hors série: 5–14.

[A99] Acosta, L. E. 1999. The identity of Pachyloides tucumanus n. comb. (ex Bosqia), with a proposal of generic synonymy and the new name Pachyloides yungarum (Opiliones, Gonyleptidae, Pachylinae). Journal of Arachnology 27: 458–464.

[K03] Kury, A. B. 2003. Annotated catalogue of the Laniatores of the New World (Arachnida, Opiliones). Revista Ibérica de Aracnología, volumen especial monográfico 1: 1–337.

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