Biology:Plexippoides regius

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Short description: Species of spider

Plexippoides regius
Plexippoides doenitzi - male jumping spider - Japan - Flickr - Thomas Shahan 3.jpg
A spider of the Plexippoides genus
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Salticidae
Subfamily: Salticinae
Genus: Plexippoides
Species:
P. regius
Binomial name
Plexippoides regius
Wesołowska, 1981

Plexippoides regius (Korean: 왕어 리 두줄깡충거 미, lit. 'Wang-eo-ri-du-jul-kkang-chung-geo-mi', the two-lined jumping spider) is a species of jumping spider in the genus Plexippoides. The species was first described by Wanda Wesołowska in 1981 based on specimens from North Korea but its distribution has been extended to include China and Russia, with examples found as far as Sichuan. The spider is small, with a body length between 6.9 and 8.65 mm (0.272 and 0.341 in), the female being generally larger than the male. It is distinguished by the two brown lines that stretch across the back of its carapace and abdomen. Otherwise, the spider varies in coloration, with some examples having an orange or yellow-brown carapace and others dark brown. The male has a long embolus that encircles the palpal bulb. The female has complex seminal ducts that lead to heavily sclerotised and many-chambered spermathecae.

Taxonomy

Plexippoides regius is a species of jumping spider that was first described in 1981 by Wanda Wesołowska.[1] It is one of over 500 species identified by the Polish arachnologist.[2] She initially described it as a nomen nudum, placed in the genus Plexippoides.[3] The genus was first proposed by Jerzy Prószyński in 1977, but was not fully described until 1984.[4] The genus name is derived from Plexippus, first raised by Carl Ludwig Koch in 1846. The word plexippus is Greek and can be translated striking or driving horses. It was the name of a number of heroes in Homer's Iliad.[5] The genus was placed in the subtribe Plexippina in the tribe Plexippini by Wayne Maddison in 2015, who listed the tribe in the clade Saltafresia.[6] It was allocated to the subclade Simonida, named in honour of the French arachnologist Eugène Simon.[7] In 2016, Prószyński combined it with 40 other genera into the group Hyllines, named after the genus Hyllus.[8] Genetic analysis has found that the species is related to those of the genera Evarcha and Telamonia.[9]

In Korea, the spider is known as the two-lined jumping spider, or Wang-eo-ri-du-jul-kkang-chung-geo-mi (Korean: 왕어 리 두줄깡충거 미).[10] Prószyński suggested that spiders identified as Helicius kimjoopili found in Korea are in fact members of this species.[11] This was confirmed and Plexippoides joopili is now a synonym for the species.[10]

Description

Plexippoides regius is a small jumping spider. The male has a body length between 6.9 and 8.55 mm (0.272 and 0.337 in).[12] The cephalothorax measures between 3.3 and 3.91 mm (0.130 and 0.154 in) in length and typically 2.8 and 2.5 mm (0.110 and 0.098 in) in width. The elongated carapace varies between individual examples, with some being orange or yellow-brown and others dark brown. All have a very dark brown or black eye field. There are two brown bands that mark the carapace from behind the eyes to the rear. The chelicerae are reddish-brown and the remainder of the mouthparts brown. The spider has two front teeth and one back tooth. The abdomen is a yellow-brown oval, measuring between 3.59 and 4.07 mm (0.141 and 0.160 in) in length and typically 2.2 mm (0.087 in) wide. The topside is yellow and has a marking of two brown stripes stretching down from front to back and a zigzag pattern on the edges. The underside is yellowish-brown and has a dense covering of dark hairs. The legs and spinnerets are also yellowish-brown, although the legs have a dense covering of thorn-like bristles. The pedipalps are yellow with a broad cymbium that protrudes to the end of the tibial spike, or apophysis. The palpal bulb is nearly spherical and has a long centrally-located embolus that encircles it.[13][14]

The female has a body length between 7.01 and 8.65 mm (0.276 and 0.341 in).[12] The cephalothorax measures between 3.59 and 3.91 mm (0.141 and 0.154 in) in length and typically 2.93 mm (0.115 in) in width, while the abdomen is between 3.91 and 4.56 mm (0.154 and 0.180 in) in length and typically 2.57 mm (0.101 in) in width.[13][14] The body shape and markings are similar to the male. The orange carapace has two light brown stripes similar to the male and the abdomen has a similar pattern, although lighter. The legs and spinnerets are similarly yellowish-brown. The chelicerae are orange and the clypeus yellow.[15] It has a light yellowish-brown sternum shaped like a shield, truncated to the front.[16] The epigyne is a medium-sized oval with a depression towards the front where the copulatory openings can be found. The copulatory openings lead to very coiled seminal ducts. The spermathecae are heavily sclerotised and many-chambered.[17]

In shape, Plexippoides regius is typical of the genus, but can be distinguished by the two stripes that mark the abdomen and are recalled in the species name.[18]

Distribution and habitat

Plexippoides regius is found in China, Korea and Russia.[1] The holotype was found in North Hamgyong Province in North Korea in 1970. Examples were also identified in other areas of the country, including South Hamgyong Province.[13] The spider was observed living in the cities of Chongjin in 1987 and Pyongyang in 1990, the latter near the Tomb of King Tongmyong.[19]

The first example of Plexippoides regius to be found in Russia was discovered in Primorsky Krai in 1979.[20] It was subsequently found in China. In 2002, specimens were collected in Henan, being discovered in Baligou, Huaiheyuan National Forest Park and the regions around Mount Song. In 2006, further discoveries were made, including in the rural areas of Tongbai. It has also been found in Dengfeng, Huixian, Xinyang, Linzhou, Luanchuan, Lushi, Neixiang, Songxian Jiyuan and Yiyang. [21] Outside Henan, the spider has been spotted in Beijing and the Chinese provinces of Anhui, Hebei, Hubei, Jilin, Shanxi, Sichuan and Zhejiang.[12]

The spider lives in mountain and field grassland. It thrives both in trees and on blades of grass.[18] The spider can be particularly found around shrubs and bushes.[16]

References

Citations

  1. ↑ 1.0 1.1 World Spider Catalog (2017). "Plexippoides regius Wesolowska, 1981". Natural History Museum. http://www.wsc.nmbe.ch/species/32061. 
  2. ↑ Wiśniewski 2020, p. 6.
  3. ↑ Prószyński 1984, p. 400.
  4. ↑ Prószyński 1984, p. 399.
  5. ↑ Scarborough 1992, p. 114.
  6. ↑ Maddison 2015, p. 280.
  7. ↑ Maddison 2015, p. 246.
  8. ↑ Prószyński 2017, p. 35.
  9. ↑ Zhang et al. 2023, pp. 122, 123.
  10. ↑ 10.0 10.1 Kim & Lee 2014, p. 119.
  11. ↑ Prószyński 2016, p. 23.
  12. ↑ 12.0 12.1 12.2 Zhang, Peng & Zhang 2022, p. 353.
  13. ↑ 13.0 13.1 13.2 Wesołowska 1981, p. 73.
  14. ↑ 14.0 14.1 Peng 2020, p. 329.
  15. ↑ Zhu & Zhang 2011, p. 500.
  16. ↑ 16.0 16.1 Kim & Lee 2014, p. 120.
  17. ↑ Wesołowska 1981, p. 74.
  18. ↑ 18.0 18.1 Namkung 2003, p. 571.
  19. ↑ Logunov & Marusik 2000, p. 288.
  20. ↑ Dunin 1984, p. 137.
  21. ↑ Zhu & Zhang 2011, p. 501.

Bibliography

  • Dunin, P. M. (1984). "Материалы для изучения фауны пауков Дальнего Востока (Arachnida, Aranei) 1. Семейство Salticidae". in Lehr, P. A. (in RU). Фауна и экология насекомых юга Дальнего Востока. Vladivostok: Far Eastern Scientific Center of the Academy of Sciences of the USSR. pp. 128–140. OCLC 16088143. 
  • Kim, Seung-Tae; Lee, Sue-Yeon (2014). "Arthropoda: Arachnida: Araneae: Clubionidae, Corinnidae, Salticidae, Segestriidae. Spiders". Invertebrate Fauna of Korea 21 (31): 1–186. 
  • Kwon, Tae-Sung; Lee, Cheol Min; Kim, Tae Woo; Kim, Sung-Soo; Sung, Joo Han (2014). "Prediction of abundance of forest spiders according to climate warming in South Korea". Journal of Asia-Pacific Biodiversity 7 (2): 133–155. doi:10.1016/j.japb.2014.04.002. 
  • Logunov, Dmitri V.; Koponen, Seppo (2000). "A synopsis of the jumping spider fauna in the Russian Far East (Araneae, Salticidae)". Entomologica Fennica 11 (2): 67–87. doi:10.33338/ef.84047. 
  • Logunov, Dmitri V.; Marusik, Yu M. (2000). "Miscellaneous notes on Palaearctic Salticidae (Arachnidaa: Aranei)". Arthropoda Selecta 8 (4): 263–292. 
  • Maddison, Wayne P. (2015). "A phylogenetic classification of jumping spiders (Araneae: Salticidae)". The Journal of Arachnology 43 (3): 231–292. doi:10.1636/arac-43-03-231-292. 
  • Namkung, J. (2003) (in KO). 한국의 거미. 한국의자연시리즈 (2 ed.). Seoul: Kyo-Hak Publishing Co.. ISBN 978-8-90907-075-1. 
  • Peng, Xianjin (2020) (in ZH). 中固功物志: 元香椎劫物第五十三卷: 蛛形鋼 蜘蛛目 跳蛛科. Beijing: Science Press. ISBN 978-7-03063-853-3. 
  • Prószyński, Jerzy (1984). "Remarks on Anarrhotus, Epeus and Plexippoides (Araneae, Salticidae)". Annales Zoologici, Warszawa (37): 399–410. 
  • Prószyński, Jerzy (2016). "Delimitation and description of 19 new genera, a subgenus and a species of Salticidae (Araneae) of the world". Ecologica Montenegrina 7 (7): 4–32. doi:10.37828/em.2016.7.1. 
  • Prószyński, Jerzy (2017). "Pragmatic classification of the world's Salticidae (Araneae)". Ecologica Montenegrina 12: 1–133. doi:10.37828/em.2017.12.1. 
  • Scarborough, John (1992). Medical and Biological Terminologies: Classical Origins. Norman: University of Oklahoma Press. ISBN 978-0-80613-029-3. https://books.google.com/books?id=hjwN65nZBE0C. 
  • Wesołowska, Wanda (1981). "Salticidae (Aranei) from North Korea, China and Mongolia". Annales Zoologici, Warszawa (36): 45–83. 
  • Wiśniewski, Konrad (2020). "Over 40 years with jumping spiders: on the 70th birthday of Wanda Wesołowska". Zootaxa 4899 (1): 5–14. doi:10.11646/zootaxa.4899.1.3. PMID 33756825. 
  • Zhang, Feng; Peng, Jinyou.; Zhang, Baoshi (2022) (in ZH). 小五台山蜘蛛. 3. Beijing: Science Press. ISBN 978-7-03072-464-9. 
  • Zhang, Junxia; Li, Zhaoyi; Lai, Jiaxing; Zhang, Zhisheng; Zhang, Feng (2023). "A novel probe set for the phylogenomics and evolution of RTA spiders". Cladistics 39 (2): 116–128. doi:10.1111/cla.12523. PMID 36719825. 
  • Zhu, Mingsheng; Zhang, Baoshi (2011) (in ZH). 河南蜘蛛志: 蛛形纲:蜘蛛目. Beijing: Science Press. ISBN 978-7-03031-139-9. 

Wikidata ☰ Q2313854 entry



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