A new species of Hortipes (Araneae, Corinnidae), the first spider with an intromittent retrolateral tibial apophysis on the male palp

Jocqué, Rudy;Bosselaers, Jan;Henrard, Arnaud
(2012) European Journal of Taxonomy — Vol. 26, n° 26, p. 1-11 (2012)

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Authors
  • Jocqué, RudyRoyal museum for central Africa - Tervuren
    Author
  • Bosselaers, JanRoyal museum for central Africa - Tervuren
    Author
  • Henrard, ArnaudUCLouvain
    Author
Abstract
Hortipes gigapophysalis (Araneae, Corinnidae) is a new species described from both sexes from montane forest on Mt Nimba, eastern Guinea. The species is remarkable for its long, whip-shaped retrolateral tibial apophysis (RTA) on the male palp. The structure apparently has an insertable function as the epigyne of the female contains a separate set of ducts starting from a central concavity that is unique in the genus. This duct system is apparently meant to receive the supple RTA. This type of structural arrangement has never previously been found in spiders.
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Jocqué, R., Bosselaers, J., & Henrard, A. (2012). A new species of Hortipes (Araneae, Corinnidae), the first spider with an intromittent retrolateral tibial apophysis on the male palp. European Journal of Taxonomy, 26(26), 1-11. https://doi.org/10.5852/ejt.2012.26 (Original work published 2012)