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Evarcha striolata

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Taxonomy and etymology

Evarcha striolata is a species of jumping spider, a member of the family Salticidae, that was first described by the arachnologists Wanda Wesołowska and Charles Haddad in 2009.[1] Named for a Latin word for a "striped", it was one of over 500 species identified by the Polish arachnologist Wesołowska during her career, making her one of the most prolific in the field.[2][3] They allocated it to the genus Evarcha, which had been first circumscribed by Eugène Simon in 1902.[4]

The genus is closely related to the genera Hyllus and Plexippus.[5] Analysis of protein-coding genes showed it was particularly related to Telamonia.[6] In 2016, Jerzy Prószyński added the genus to a group of genera named Evarchines, named after the genus, along with Hasarinella and Nigorella based on similarities in the spiders' copulatory organs.[7]

Prószyński placed the spider in a new genus Evacin in 2018 based on its copulatory organs and the way that they differ from other Evarcha spiders.[8] The new genus name is a combination of Evacha and flavocin.[9] This designation is not widely accepted and the species remains in the Evarcha genus in the World Spider Catalog.[1][10]

Description

Evarcha striolata is a medium-sized spider with looks that are typical for the genus. It has a body divided into two main parts: a rectangular cephalothorax and thinner, more oval abdomen.{[11] The male has a carapace, the hard upper side of the cephalothorax, that is typically 2.1 mm (0.08 in) long and 1.6 mm (0.06 in) wide. Generally rather high with a sharply sloping back.it is generally dark orange and hairless with dark rings around the eyes. There are a few delicate bristles near the front eyes. The underside of the cephalothorax, or sternum, is dark yellow. The spider's clypeus, or face, is low and is decorated with a scattering of delicate hairs. The mouthparts, including the chelicerae, labium and maxillae, are dark yellow.[2]

References

Citations

  1. ^ a b World Spider Catalog (2017). "Evarcha striolata Wesolowska& Haddad, 2009". World Spider Catalog. 18.0. Bern: Natural History Museum. Retrieved 10 August 2017.
  2. ^ a b Wesołowska & Haddad 2009, p. 35.
  3. ^ Wiśniewski 2020, p. 6.
  4. ^ Wesołowska & Haddad 2009, p. 28.
  5. ^ Maddison, Bodner & Needham 2008, p. 56.
  6. ^ Maddison & Hedin 2003, p. 536.
  7. ^ Prószyński 2017, p. 51.
  8. ^ Prószyński 2018, p. 142.
  9. ^ Prószyński 2018, p. 141.
  10. ^ Kropf et al. 2019, p. 445.
  11. ^ Wesołowska & Haddad 2009, p. 95.

Bibliography

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