Ischyropsalis

Ischyropsalis is a genus of harvestmen in the family Ischyropsalididae, found in Europe. There are more than 20 described species in Ischyropsalis.[1][2]

Ischyropsalis
Ischyropsalis hellwigi
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Opiliones
Family: Ischyropsalididae
Subfamily: Ischyropsalidinae
Genus: Ischyropsalis
C.L. Koch, 1839
Type species
Ischyropsalis kollari
C. L. Koch, 1839

Description

Species in this genus range in body length from about four to 8.5 mm. They have moderately long legs. The greatly enlarged chelicerae can be almost twice as long as the body. While they share this feature with the Nipponopsalididae, this is a case of convergent evolution. The elongated pedipalps are rather slender. Some species occur in caves.[3]

Distribution

Members of this genus are restricted to Europe, with many species found in the mountains (Pyrenees, Alps, Carpathian Mountains, and Dinaric Mountains). They reach into the Netherlands, northwestern Germany and Poland in the north and to Calabria in the south. A find from Sardinia is considered doubtful.[3]

Name

The genus name is a combination of Ancient Greek ischyros "strong" and psalis "shears", referring to the greatly enlarged chelicerae.

Species

These 21 species belong to the genus Ischyropsalis:[1]

  • Ischyropsalis adamii Canestrini, 1873
  • Ischyropsalis cantabrica
  • Ischyropsalis carli Lessert, 1905
  • Ischyropsalis dentipalpis Canestrini, 1872
  • Ischyropsalis dispar Simon, 1872
  • Ischyropsalis gigantea Dresco, 1968
  • Ischyropsalis hadzii Roewer, 1950
  • Ischyropsalis hellwigi (Panzer, 1794)
  • Ischyropsalis hispanica Roewer, 1953
  • Ischyropsalis kollari C.L.Koch, 1839
  • Ischyropsalis lithoclasica Schönhofer & Martens, 2010
  • Ischyropsalis luteipes Simon, 1872
  • Ischyropsalis magdalenae Simon, 1881
  • Ischyropsalis manicata C.L.Koch, 1865
  • Ischyropsalis muellneri Hamann, 1898
  • Ischyropsalis navarrensis Roewer, 1950
  • Ischyropsalis nodifera Simon, 1879
  • Ischyropsalis pyrenaea Simon, 1872
  • Ischyropsalis ravasinii Hadzi, 1942
  • Ischyropsalis robusta Simon, 1872
  • Ischyropsalis strandi Kratochvil, 1936

Taxonomic synonyms

The following were determined to be synonyms of the above species and are no longer valid.[1]

  • I. alfkeni Roewer, 1950, synonym of I. muellneri
  • I. amseli Roewer, 1950, synonym of I. adamii
  • I. archeri Roewer, 1950, synonym of I. dispar
  • I. asturica Roewer, 1950, synonym of I. nodifera
  • I. austriaca Roewer, 1950, synonym of I. manicata
  • I. balcanica Roewer, 1950, synonym of I. manicata
  • I. bosnica Roewer, 1914, synonym of I. kollari
  • I. caporiaccoi Roewer, 1950, synonym of I. luteipes
  • I. corcyraea Roewer, 1914, synonym of I. muellneri
  • I. corsica Roewer, 1950, synonym of I. nodifera
  • I. dacica Roewer, 1916, synonym of I. manicata
  • I. danubia Roewer, 1950, synonym of I. kollari
  • I. franzi Roewer, 1950, synonym of I. hellwigii
  • I. goodnighti Roewer, 1950, synonym of I. dispar
  • I. helvetica Roewer, 1916, synonym of I. dentipalpis, I. manicata
  • I. janetscheki Roewer, 1950, synonym of I. nodifera
  • I. kastneri Roewer, 1950, synonym of I. manicata
  • I. knirschi Roewer, 1950, synonym of I. strandi
  • I. kratochvili Roewer, 1950, synonym of I. adamii
  • I. lusitanica Roewer, 1923, synonym of I. robusta
  • I. moreana Roewer, 1950, synonym of I. nodifera, I. pyrenaea
  • I. nicaea Roewer, 1950, synonym of I. navarrensis
  • I. nivalis Roewer, 1950, synonym of I. kollari
  • I. pentelica Roewer, 1950, synonym of I. carli
  • I. pestae Roewer, 1950, synonym of I. luteipes
  • I. plicata Roewer, 1923, synonym of I. hellwigii
  • I. reimoseri Roewer, 1950, synonym of I. kollari
  • I. segregata Roewer, 1950, synonym of I. kollari
  • I. spinichelis Roewer, 1950, synonym of I. kollari
  • I. strasseri Roewer, 1950, synonym of I. kollari
  • I. styriaca Roewer, 1950, synonym of I. kollari
  • I. turki Roewer, 1950, synonym of I. navarrensis

According to L. Labrada and C. Prieto in Schönhofer (2013)[1], "Establishment of the present-day taxonomy and validating species-specific characters in Ischyropsalis have been mainly facilitated by the thorough revision of Martens (1969). Having been unable to borrow many types from the Iberian Peninsula, part of his work remained hypothetical for that local fauna, which was later corrected by Dresco (e.g. 1970, 1972), Luque (1991, 1992) and Prieto (1990a, 1990b). Of the 42 species described or emended by Roewer (1914, 1916, 1923, 1950, 1953a) only two remain valid."

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References
  1. Schönhofer, Axel L. (2013). "A taxonomic catalogue of the Dyspnoi Hansen and Sørensen, 1904 (Arachnida: Opiliones)". Zootaxa. Magnolia Press. 3679: 1–68. doi:10.11646/zootaxa.3679.1.1. PMID 26146693.
  2. "Ischyropsalis". GBIF. Retrieved 2019-02-20.
  3. Gruber, Jürgen (2007): Ischyropsalididae Simon, 1879. In: Pinto-da-Rocha et al. 2007: 145ff

Further reading
  • Pinto-da-Rocha, R., Machado, G. & Giribet, G. (eds.) (2007): Harvestmen - The Biology of Opiliones. Harvard University Press ISBN 0-674-02343-9
  • Media related to Ischyropsalis at Wikimedia Commons


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